During times of fasting, the liver serves as the body's main source of glucose delivery to the brain. Gluconeogenesis, or the production of glucose from non-carbohydrate sources like amino acids and glycerol, is a process carried out by the liver.
Additionally, it carries out glycogenolysis, which is the conversion of glucose from stored glycogen. In order to supply the brain with the energy it requires, the liver first produces glucose, which is then delivered into the circulation.
According to the situation described, Jessie was hypoglycemic when the test started. This shows that she had blood sugar levels that were below average. Her response to the glucose challenge, however, is entirely normal, demonstrating that after drinking the glucose solution, her body is capable of successfully regulating blood glucose levels.
Jessie's blood glucose level gradually drops below the normal range throughout the last hour of the test. This might mean that she has a disorder that affects how her body regulates glucose metabolism or that her body's systems for controlling blood glucose levels aren't working as well as they should be while she's fasting for a long time. A medical expert would need to do additional testing and examination to ascertain the precise reason for her hypoglycemia and the following drop in blood glucose levels.
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Distinguish between natural selection and artificial selection.
Answer: Natural selection is based on the adaptive characteristics of animals. Artificial selection is based on the desirable characters selected by humans. Only beneficial or favorable traits are inherited over the successive generations by natural selection. Natural selection is performed on all the types organisms; Artificial selection is processed on some selective organisms of humans desires. ... Natural selection results in the transformation of the entire population of a species; Artificial selection brings out the new variety of that species.
Explanation:
Answer:
answer in explanation
Explanation:
Natural selection occurs over a long period of time and happens naturally. artificial selection happens relatively fast and occurs when humans choose a certain trait they like and help the animal with that trait reproduce.
if i am studying the number of organisms in one species and how they are affected by external and internal factors, which study am i looking at?
Name and give examples of 2 major types of mutations. What do they have in common? How are they different?
Answer:
The correct answer would be - Two major types of mutations are deletions and substitutions.
Explanation:
The two major types of mutations are deletion and substitution, other than these there are many more mutations that are categorized under gene mutations and chromosomal mutation.
The deletion mutation takes place in the conditions where the DNA deletes or missed copying the nucleotide in a new DNA molecule. This type of mutation can occur in one or more nucleotides. Whereas Substitution mutation occurs when there is a wrong nucleotide added to the DNA sequence or substitute with other.
Both could be deleterious and takes place at the nucleotide level. Both mutation depends on the number of nucleotide or the location of the mutation on the gene.
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ALL MATTER HAS THE SAME PROPERTIES.
A. True
B. False
Answer:
false
Explanation:
some don't
Answer:
FALSE
gases and solids and liquids all have very different properties, thats not even mentioning plasma and BEC
Explanation:
thanks for the opportnity sir
Please help...Will mark brainiest....It is due and I need help
Answer:
Explanation:
For the 1st one with the Cheetah: It would be a long tail because it helps them balance when they turn. Sinch Cheetahs move extremely quickly they need a balance to ensure they don't topple over when they turn, this tail provides this balance.
For the 2nd one with the bear: Thick coats on a bare will help provide warmth whenever they go to hybernate. Thin fur would leave room for freezing and wouldn't be able to help them maintain the proper body temperature.
The 3rd one with the clownfish: A round tail provides a bigger boost when swimming since it is able to push more water. A forked tail would create a gap when they swim so they would have to expend more energy than with a round tail.
The 4th one with the Finch: Since grubs live underground a thinner beak would be able to dig them out and stab them faster. This allows them to reach farther and get more food.
Answer:
D AZ FCSDF SDF F
Explanation:
just seeing how this works don't mind me
Q (1)
Which of the following is a shared characteristic of humans and fern plants?
A) They both perform cellular respiration to make usable energy
B) They both ingest their food.
C) They both make their own food (within their cells)
D) Their cells have cell walls
Q (2)
Which organelle can be found in the cells of a tree leaf, but not in the cells of a lizard?
A) mitochondrion
B) chloroplast
C) ribosome
D) nucleus
Q (3)
Which of the following is true about how plants use energy in their cells?
A) Energy is transferred from glucose into ATP to power cellular work
B) Glucose is used directly to power cellular work
C) Energy is transferred from ATP into glucose to power cellular work
D) ATP is product of plant photosynthesis
Answer: 2. B 3. A 1. C
Explanation:
1. The correct option is "A" that They both perform cellular respiration to make usable energy.
What is a similarity between fern plants and humans?Humans and ferns are similar as both fertilize to give rise to a new life while different as the haploid form of life present in the ferns life cycle and both male and female reproductive parts are present in one plant.
Thus, they both perform cellular respiration to make usable energy.
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2. Chloroplast is an organelle that can be found in the cells of a tree leaf, but not in the cells of a lizard.
What is chloroplast?Chloroplasts are present in the cells of all green tissues of plants and algae.
Thus, Chloroplast is an organelle that can be found in the cells of a tree leaf, but not in the cells of a lizard.
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3. The statement, energy is transferred from glucose into ATP to power cellular work is true about plants using energy in their cells.
How do plants use energy in the cells?The energy collected in the chloroplasts is used during cellular respiration.
During cellular respiration, the energy from the glucose made during photosynthesis is used to produce energy molecules for growth and reproduction.
Thus, energy is transferred from glucose into ATP to power cellular work is true about plants using energy in their cells.
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The tendency of a cell or an organism to maintain a stable internal environment is known as _______.
A.
homeopathy
B.
homology
C.
homogeneous
D.
homeostasis
What nitrogen base does Cytosine pair with
Answer:
Guanine
Explanation:
There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine)
Adenine always bonds with thymine, and cytosine always bonds with guanine.
Question 8 of 25
A student is making a diagram of the water cycle. What should the student
draw to illustrate runoff?
O A. An arrow pointing down a hill to a body of water
OB. An arrow pointing from a plant's leaves to the sky
OC. An arrow pointing from a cloud to the ground
OD. An arrow pointing from a body of water to the sky
SUBMIT
The correct answer is option A. An arrow pointing down a hill to a body of water. A student making a diagram of the water cycle should draw an arrow pointing down a hill to a body of water to illustrate runoff.
To illustrate runoff in the water cycle, the student should draw an arrow pointing down a hill to a body of water. Runoff occurs when precipitation, such as rain or melting snow, flows over the land surface and collects in streams, rivers, or lakes. The arrow represents the movement of water as it travels down the slope, carrying with it any dissolved or suspended materials. This depiction emphasizes the important role of gravity in guiding the water towards a lower elevation and ultimately contributing to the replenishment of bodies of water in the water cycle.In conclusion, to represent runoff in the water cycle, the student should draw an arrow pointing down a hill to a body of water, highlighting the movement of water over the land surface and its contribution to the replenishment of lakes, rivers, or streams.
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okazaki fragments are associated with the_____strand that demonstrates discontinuous nucleotide synthesis. these fragments are synthesized in the_____direction.
Okazaki fragments are associated with the lagging strand that demonstrates discontinuous nucleotide synthesis. These fragments are synthesized in the 5' to 3' direction.
During DNA replication, the lagging strand is synthesized in short, discontinuous fragments known as Okazaki fragments. This is because DNA polymerase can only synthesize DNA in the 5' to 3' direction. On the lagging strand, synthesis occurs in the opposite direction of the replication fork movement, resulting in the need for Okazaki fragments. These fragments are initiated by RNA primers that provide a starting point for DNA synthesis. DNA polymerase then elongates the fragments in the 5' to 3' direction, away from the replication fork. The fragments are eventually joined together by DNA ligase to form a continuous strand.
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Which statement is true of the adaptive, but not the innate, immune system?
Choose 1 answer:
A. Many cells work together to coordinate the response.
B. It involves the use of lymphocytes.
C. It fights both viruses and bacteria.
D. The receptors are highly specific.
Answer: The receptors are highly specific.
Explanation: yes
Answer:The receptors are highly specific
Explanation:
just took the quiz :)
what is the most serious drawback to using library screening to study genetics?
The most serious drawback to using library screening to study genetics is that it can result in the identification of gene fragments that are not in the correct orientation or order.
What is Library screening?Library screening is a procedure that allows researchers to isolate clones that express a specific protein or contain a specific gene. A genomic library or a cDNA library may be used for this technique.
What are the other disadvantages of library screening?The other disadvantages of library screening are given below: Library screening, when compared to PCR, is a relatively time-consuming and labour-intensive process. Library screening's capacity to recover a specific gene is highly dependent on the library's quality, complexity, and redundancy. A library may lack certain sequences that are required to discover the gene of interest.
There may be errors or ambiguities in the data collected by the researchers. In a library, the sequences discovered may not necessarily be the most significant for research purposes.
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identity the function of the cell membrane. what is the function of the cell membrane? please explain
List 5 different carrer pathways someone who studies Plant Science/ Horticulture might take. WILL MARK BRAINLIEST
Answer:other dude is correct gimme brainlest
Explanation:
Answer: plant/science- Agronomist.
Floral designer.
Biotechnologist.
Plant journalist.
Field advisor.
Soil scientist.
Greenhouse manager.
Propagation scientist.
horticulture- plant breeding, genetic engineering, landscape design, farming, floral design, research, nursery production, education, food science, landscape construction and management, pest control, marketing
Explanation:
Match the items in column B with the descriptive statements in column A Column A Column B 1. structure that suspends the small intestine from the posterior body wall a anus b. appendix C. circular folds d. esophagus e. frenulum f greater omentum 9. hard palate h. haustra i. ileocecal valve j. large intestine k. lesser omentum I mesentery m. microvilli n. oral vestibule o. Peyers patches p. pharynx q. pyloric sphincter r. rugae 2. fingerlike extensions of the intestinal mucosa that increase the surface area for absorption 3. large collections of lymphoid tissue found in the submucosa of the smal intestine 4. deep folds of the mucosa and submucosa that extend completely or partially around the circumference of the small intestine 5. mobile organ that manipulates food in the mouth and initiates swallowing 6, conduit for both air and food 7, food passageway that has no digestiverabsorptive function 8. folds of the gastric mucosa 9 pocketike s of the large intestine 10. projections of the plasma membrane of a mucosal epithelial cell 11. valve at the junction of the small and large intestines 12, primary region of nutrient absorption 13. membrane securing the tongue to the floor of the mouth 14. absorbs water and forms feces 15. area between the teeth and lips/cheeks 16. wormlike sac that outpockets from the cecum 17. initiates protein digestion 18. structure attached to the lesser curvature of the stomach 19. covers most of the abdominal organs like an apron 20. valve controlling food movement from the stomach into the duodenum 21. posterosuperior boundary of the oral cavity 22. region containing two sphincters through which feces are expelled from small intestine t· soft palate u stomach v. tongue the body 23. bone-supported anterosuperior boundary of the oral cavity
Structure that suspends the small intestine from the posterior body wall and valve controlling food movement from the stomach into the duodenum
1. k. lesser omentum, 2. m. microvilli, 3. o. Peyers patches, 4. C. round folds, 5. v. tongue, 6. d. throat, 7. a. rear-end, 8. r. rugae, 9. h. haustra, 10. I. ileocecal valve, 11. j. digestive organ, 12. p. pharynx, 13. e. frenulum, 14., q. pyloric sphincter, 15. n. oral vestibule, 16. b. reference section.
17. f. more noteworthy omentum, 18. u. stomach, 19. 1. structure that suspends the small digestive system from the back body wall, 20. 1. structure that suspends the small digestive system from the back body wall, 21. 9. hard sense of taste, 22.
23. bone-upheld anterosuperior limit of the oral cavity, 23. 9. pocketlike sacs of the digestive organ, Segment A gives distinct explanations about different physical designs and works, while section B contains the comparing replies.
For instance:
- The design that suspends the small digestive system from the back body wall is replied by 1. structure that suspends the small digestive tract from the back body wall, which relates to the lesser omentum (k).
- Fingerlike augmentations of the gastrointestinal mucosa that increment the surface region for retention are replied by microvilli (m).
- Enormous assortments of lymphoid tissue found in the submucosa of the small digestive system are Peyers patches (o).
- Profound folds of the mucosa and submucosa that expand totally or somewhat around the boundary of the small digestive system are round folds (C).
By coordinating the things in segment A with the comparing depictions in section B, the connections between the physical designs and their capabilities can be perceived.
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recycling possibility of plastic Water bottle need
Answer:
bird feeder, terrarium, bottle top bag seal, piggy bank, watering containers, hanging baskets
name any two animals that reproduce by asexual method
Answer:
Ants and bees
Explanation:
The most commonly known animals known to reproduce asexually are invertebrate animals such as aphids, flatworms, hydra, Bdelloid rotifers, ants, bees, parasitic wasps, coral and starfish
The immune response generates some side effects that can be unpleasant. what their potential benefits could be?
The ability to recognize, respond to, and remember a variety of pathogens.
PLSS HELP
What is NOT an adaptation that pioneer species need? *
A. ability to do photosynthesis
B. live without soil
C. the ability to grow tall
D. tiny roots to break down rock
Explanation:
Primary succession, type of ecological succession (the evolution of a biological community’s ecological structure) in which plants and animals first colonize a barren, lifeless habitat. Species that arrive first in the newly created environment are called pioneer species, and through their interactions they build a simple initial biological community. This community becomes more complex as new species arrive. Primary succession is distinguished from secondary succession, which is the recovery of an existing biological community after a disturbance sets back the community’s ecological structure to an earlier stage.
In a population of 100 people, 30 have brown hair and 70 have black hair. What is the Relative Frequency for Black hair?
Answer:
0.7
Explanation:
Given that in statistics, the Relative Frequency is the Frequency of the class divided by Total.
Hence, in this case, the Relative Frequency of black hair is the Frequency of black hair divided by the Total.
Hence, we have 70 ÷ 100
=> 0.7
Therefore, the correct answer is 0.7 Relative frequency.
Connell’s results led him to conclude that Chthamalus’ realized niche is smaller than its fundamental niche because of interspecific competition with Balanus. But what if competitive exclusion were not the explanation? What if Chthamalus’ and Balanus’ respective niches were a result of niche differentiation instead? Niche differentiation occurs when two species with overlapping niches change over time in a way that reduces their niche overlap, and thus reduces their competition for resources.
Answer:
Both realized niche and fundamental niche are similar in size.
Explanation:
If Chthamalus’ and Balanus’ respective niches were a result of niche differentiation so we can say that Chthamalus’ realized niche is not smaller than its fundamental niche. It will be of the same size because of no interspecific competition with Balanus. The whole fundamental niche is considered the niche of the Chthamalus' alone due to no competition with Balanus' for resources present in the ecosystem.
does this an suggest evolutionary relationship? explain how these embryos can be used as evidence of a common ancestor between each of these six organism
Answer:
Examination of vertebrate embryos reveals that during corresponding stages of early development,
the embryos appear to be very similar. For example, all vertebrate embryos pass through stages in
which they have gill pouches. The pouches eventually develop into the gill apparatus in fish; in laterevolving vertebrates that do not have gills, the gill pouches undergo further refinement and develop
into structures associated with the head and neck. Similarly, all early vertebrate embryos have tails,
which persist in some animals but regress during the later stages of development of humans. Thus,
the individual development of an animal occurs through a series of stages that paint a broad picture
of the evolutionary stages (phylogeny) of the species to which it belongs.
"Ontogeny recapitulates Phylogeny", Haeckel
Explanation:
sure po ito
Examination of vertebrate embryos well-known shows that in corresponding levels of early improvement, the embryos appear very similar.
For example, all vertebrate embryos by skip thru levels in which they have got gill pouches. The pouches subsequently turn into the gill equipment in fish; in later evolving vertebrates that don't have gills, the gill pouches go through similar refinement and develop into systems related to the pinnacle and neck. Similarly, all early vertebrate embryos have tails, which persist in a few animals however regress at some point in the later levels of improvement of humans.What is ontogeny recapitulates phylogeny?These scientists claimed that ontogeny recapitulates phylogeny (ORP). This word shows that an organism's improvement will take it thru every one of the personal levels of its evolutionary history, or its phylogeny.
Thus, the man or woman improvement of an animal happens thru a chain of levels that paint an extensive picture of the evolutionary levels (phylogeny) of the species to which it belongs.
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Which of the following experimental approaches is least likely to be used in identifying transcription factor binding sites?
a. Electrophoretic-mobility shift assay
b. Northern blotting
c. DNA footprinting
d. Chromatin immunoprecipitation
Northern blotting is the least likely to be used in identifying transcription factor binding sites. Therefore, option "B" is correct. Northern blotting is used for the analysis of RNA in the given sample. The samples can be tissue, blood, and serum.
The RNA is purified from the given sample. The sample might contain fragmented RNA which is purified and amplified. The target RNA is separated by using an electric current. The RNA moved through the gel which act like a sieve-like matrix. The movement of the fragments depends on the size of the fragments. Smaller fragments move faster than larger ones in Northern blotting.
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Which of these is not a human cause of extinction of species?
Choose the correct answer.
A) Clearing of an area for farmland.
B) A dam built in a river for city water usage.
C) Competition for food resources with another native species.
D) The introduction of a new predatory species to an island by boat.
The statement that does not represent a human cause of the extinction of species is the competition for food resources with another native species. Thus, the correct option for this question is C.
What is species?Species may be characterized as a group or collection of organisms that can significantly reproduce with one another in nature in order to produce fertile offspring. The process of speciation is generally mediated through the species.
In the present time, the human causes of the extinction of species are majorly popular. It includes the clearance of an area for farmland and industrialization, the building of a dam for city water utilization, the introduction of a new predatory species to an island by boat, and many more.
But the process of competition for food resources with another native species is ultimately the behavior governed by the respective species itself without the interference of humans.
Therefore, the statement that does not represent a human cause of the extinction of species is the competition for food resources with another native species. Thus, the correct option for this question is C.
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When a plant doesn't have enough water, it will wilt and _____ .
A) the amount of carbon dioxide will increase
B) the amount of carbon dioxide will decrease.
C) the amount of oxygen will increase.
D) the rate of photosynthesis will increase
Answer:
The amount of Carbon Dioxide will increase.
Explanation:
Answer:
When a plant doesn't have enough water, it will wilt and the amount of carbon dioxide will decrease.
Explanation:
You're welcome!
Scientific developments have made forensic science a stronger discipline.
True
False
Answer:
Answer of this qurstion is true
Compared to the inertia of a 1-kilogram mass, the
inertia of a 4-kilogram mass is
A. 16 times as great
B. 1/16 as great
C. 1/4 as great
D. 4 times as great
please help.
Answer:
D. 4 times as great
Explanation:
The inertia of an object is the resistance offered by the object to change in its motion or position.
Then concept of inertia is obtained from Newton's first law of motion which states that an object which is not subjected to any net external force will remain its position of rest or constant velocity of motion until some net external force acts on it. The object at rest will then start to move whereas the object moving at constant velocity will experience a change in its speed or direction of motion.
This reluctance to change position is greater, the more massive an object is as well as the higher the speed of motion of the object. Thus, inertia is directly proportional to the mass of the object as well to the velocity of an object in motion.
From Newton's first law, inertia can be calculated as the force to be overcome to mobile an object, i.e. Inertia = F = ma
Where m is mass of object, a = acceleration of the object.
Objects on the earth's surface experience a constant acceleration, g.
Thus for a 1 kg mass, Inertia = 1 × g
For a 4 kg mass, inertia = 4 × g
The inertia of a 4 kg mass is four times as great as a 1 kg mass.
The inertia of a 1-kilogram mass, the inertia of a 4-kilogram mass is - D. 4 times as great
Inertia is the property of matter that resists changes in motion. Mass is the quantitative matter of motion.
Mass is that quantity that is solely dependent upon the inertia of an object.The more inertia that an object has, the more mass that it has.A more massive object has a greater tendency to resist changes in its state of motion.Thus, the inertia of a 1-kilogram mass, the inertia of a 4-kilogram mass is - D. 4 times as great.
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Assume you saw biofilm formation on the negative control slide. What could account for such an observation? A You left the slide to incubate for too long. B The crystal violet dye was contaminated. с You used non-sterile slides or filter paper.
If biofilm formation is observed on the negative control slide, it could be due to either leaving the slide to incubate for too long (Option A) or using non-sterile slides or filter paper (Option C).
In biofilm experiments, the negative control is expected to show no biofilm formation since it does not contain the target microorganisms or conditions necessary for biofilm growth. If biofilm is observed on the negative control slide, it suggests that something went wrong during the experimental procedure. Option A suggests that the slide was left to incubate for too long, allowing unintended microbial growth and biofilm formation. Option C suggests that non-sterile slides or filter paper were used, introducing microorganisms or contaminants that can form biofilms. Both scenarios result in the presence of biofilms on the negative control slide, indicating a procedural error or contamination issue.
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How might biology help you to better understand environmental issues?
Answer:
An understanding of biology can help you make choices and decisions that affect your health. Biologists and other scientists research environmental issues such as pollution, biodiversity,land conservation, and natural resource use.
Explanation:
Hope this helped Mark BRAINLIEST!!!
Why are antibiotics unhelpful for treating the common cold?
A. Colds are caused by bacteria.
• B. Antibiotics attack only bacteria.
• C. Antibiotics cannot treat disease.
D. Colds are caused by antibiotics.
B. Antibiotics attack only bacteria.