Answer:
D is the correct answer
Explanation:
ur welcome :3
Which organelle is marked with x
I'm assuming there is supposed to be a picture to see, can you possibly show that? I can't help you unless I see the options and picture :)
- Lysogenic life cycle of viruses causes the burst of the host cell (T/F)
- Spot method of detection of bacteriophages is a qualitative method
(T/F)
HELP PLEASE ITS AN EXAM!!
Which organisms are most closely related?
O species A and B
O species A and C
O species B and C
O species C and D
Answer:
B and c are most closely related
Explanation:
Why is it necessary for there to be variation in population in order for evolution by natural selection to occur?
Answer:
There needs to be variations in population in order for natural selection to occur because the entire point of evolution by natural selection is only the best variations will survive. So if there were no variations then there would be no natural selection because the animal's survival rate would be the same no matter how many times they reproduce because there are no different variations being introduced into the species. However, if there are variations then the animal's survival rate could be impacted because of the variations, for example, white mice would be easier to find for predators on a dark surface, while a darker mice would be harder to find for predators on a dark surface, thus, allowing the darker mice to prevail as they have a higher survival rate and the species will slowly evolve into the darker mice. But, if there were no evolution, in this case, then no matter what happens, the white mice would not be able to evolve into a darker mice because there are no such thing as variation. That is why it is necessary for there to be variation in order for evolution by natural selection to occur.
Which type of cell-to-cell junction joins intermediate filaments ( keratins) in one cell to the basal laminate; welding down the cells of the epithelial and providing tensile strength?
A. Right junction
B. Desmosomes
C. Gap junction
D. Hemidesmosome
E. Adherents junction
Answer:
Desmosomes
Explanation:
Desmosomes Connect Intermediate Filaments from Cell to Cell
Through desmosomes, the intermediate filaments of adjacent cells are linked into a net that extends throughout the many cells of a ti
Which of the following ecological levels does not describe interacting biotic and abiotic factors in an area?
A. Biome
B. Community
C. Ecosystem
D. Habitat
Answer:
habitat
Explanation:
The ecological levels do not describe interacting biotic and abiotic factors in an area's habitat. The correct option is D.
What is a habitat?
A habitat is a place where physical or biotic factors are presented. This is a place where all the factors are present to live a species with all suitable conditions.
Habitat of different species is different. They live in their suitable habitat to grow and reproduce accordingly. If a species is moved from its habitat, then it may have difficulties in surviving.
So habitat is not a place where all biotic and species abiotic factors are present, it is a place where all living factors are present that are necessary for the living of a person. So, it is not the ecological level of interacting biotic and abiotic factors in an area
Thus, the correct option is D. Habitat.
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Why is it that dominant diseases are not as common as recessive ones?
Answer:
Mainly because if a disorder is dominant, then it will be manifested by all who have the gene. If the disorder is severe, then it will reduce the chances of the individual surviving to grow up and reproduce (unless the disorder only manifests symptoms in later life). If they do reproduce, then 50% of their offspring will inherit the gene, and be at a similar disadvantage in reproduction. Thus, there is likely to be selection against the gene. By contrast, a recessive disorder is only manifested if both parents pass on the abnormal gene, and an individual with one gene for the disorder is usually at no disadvantage. Thus, there is much less selection against abnormal recessive disorders.
A food chain shows how
matter moves through an
ecosystem. Which of these
substances forms the base of
the matter in food chains and
food webs?
A. light
B. carbohydrates
C. iron and lead
Answer: B
Explanation:
Answer:
carbohydrates
Explanation:
differences between stamen and pistil
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Cleavage differs from mitosis because:
From
In 2018, the average age for first marriage in the United States was 29.8 years for men and 27.8 years for women. These ages for first
marriages are
These ages for first marriages are Average age .
What is the average age of first marriage in the United States?The median age at first marriage for women was 28 years in 2015-2019, up from 26.3 in 2006-2010. The median age at first marriage for men was 29.9 years in 2015-2019, up from 28.1 in 2006-2010.
What is the median age at first marriage for women?In 2019, the median age for the first wedding among women stood at 28.4 years.
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Calculate the percent change of a population of geese that started with 40 individuals.
12 were born and 8 died. 6 geese immigrated into the population.
Ansew heheheheheheh
Explanation:
Fraternal twins, while conceived at the same time, are not genetically identical.
Which statement best explains why these siblings are genetically different from each other?
A.One chromosome from each pair randomly passes to the sex cells during meiosis and leads to differences between the siblings.
B.One chromosome from each pair randomly passes to the sex cells during fertilization and leads to differences between the siblings.
C.Mutations occur during meiosis and lead to differences between the siblings.
D.Mutations occur during fertilization and lead to differences between the siblings.
Fraternal twins are not genetically identical because one chromosome from each pair randomly passes during meiosis and leads to differences between the siblings. Meiosis involves independent segregation of sex chromosomes.
Meiosis is a type of reductional cell division by which a parent cell produces four daughter (gametes) cells having half the genetic material.
Fraternal twins occur when two egg cells are released by the mother, which are fertilized by a different sperm.
During meiosis, sex chromosomes are separated and segregate in a random manner in daughter (sex) cells.
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HELP !!!!!!!!! IM SOOO CONFUSED
Different leads are used to measure the ECG because
Select one:
a.
measurement of heart rate depends on which lead is used to measure it
b.
the signal has a larger amplitude on some leads so it is easier to measure
c.
it is easier to attach some leads to the patient
d.
the interval between ECG events differs on the different leads
e.
they provide information on the spread of the heart beat and to help diagnose which areas of the heart are affected by pathology
Answer:
e.
Explanation:
they provide information on the spread of the heart beat and to help diagnose
the role of dna in cellular differentaation
Answer:
controls the way cells function, also determines what type of specialized cells will be made.
help please asap!!!!!!!!!!!!!!!!!!!
Answer:
Basidiomycotes
the second one
Explanation:
7. In an ecosystem, which is the most likely reason for an increase in the producer
population if there is an increase in the carnivore population?
Eukaryotic organelles can be classified into membranous and non-membranous organelles. Identify them (list them)
Answer:
fluid-filled organelles are membranous. Nonmembranous organelles are ribosomes, cytoskeleton, nucleolus, and centrosome
Explanation:
Which of the following does NOT happen during the light-dependent reactions of
photosynthesis?
ATP is produced
Oxygen is produced
Glucose is produced
NADPH is produced
Answer:
Glucose
Explanation:
Only glucose is produced in the light independent stage of the reaction
1. What is the major source of energy for the brain
Explanation:
glucose
The mammalian brain depends on glucose as its main source of energy. In the adult brain, neurons have the highest energy demand [1], requiring continuous delivery of glucose from blood.
hope its helpful to you #
The major source of energy for the brain is glucose. Metabolism of glucose provides energy to the brain.
What is the brain?The brain is a body part that operates the various functions of the body. It is present in the head of the body. It is divided into two parts, the left brain, and the right brain.
Energy is something that is produced by the metabolism of food. Energy7 is required to carry out all the processes of the body. To walk, run, work, eat, everything requires energy.
The main source of the energy in animals and plants is glucose. The food we eat converts into energy by the process of respiration. The energy is transported into all parts of the body by blood circulation.
Thus, glucose is the major source of energy for the brain.
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I don’t understand help
Answer:
A
Explanation:
not 100% sure but it seems to be the only sensible answer
Which of the following are important functions of roots?
Roots are where cotyledons emerge.
Roots enable plants to spread over land areas.
Roots hold the plant in place in the ground.
Roots store minerals and carbohydrates for the plant.
Answer:
roots enable plants to spread over land areas or roots hold the plant in place in the ground
Answer: Peace ✌
Explanation:
Peace ✌
Which feature forms at Earth’s surface from the cooling of lava?
extrusion
fault
intrusion
unconformity
Answer:
The correct answer is Extrusion.
Explanation:
I can confirm that it is 100% correct.
Answer: A
Explanation:
i took the test
Pls help....
I will brainliest you if you are good answer.
Answer:
1. 38.1 cm
2. 8 days
3. 20 blankets
4. 10 cups of detergent
5. 15 dry cloths
Explanation:
1. 15 x 2.54 = 38.1
2. 192/24 = 8
3. 12/3 = 4
4 x 5 = 20
4. 20/4 = 5
5 x 2 = 10
5. 10/2 = 5
5 x 3 = 15
4. What is the molecule used by cells to store energy?
Answer:
What is the molecule used by cells to store energy?
Explanation:
Adenosine 5'-triphosphate, or ATP, is the principal molecule for storing and transferring energy in cells. It is often referred to as the energy currency of the cell and can be compared to storing money in a bank.
Which plate does not appear in both hemispheres?
Indo-Australian
African
Pacific
Eurasian
Answer:
Indo-Australian
Explanation:
Why are there not many vaccines for fungal & parasite disease as we have for viral and bacterial disease?
Answer:
it is very easy to kill the pathogen by vaccination but it is very difficult to detoxify the toxins produced in the host.
Explanation:
Hopefully this helped!
is menstural cycle also called periods?
Answer:
yes.
Explanation:
However we dont call them 'periods' just simply 'period'
us girls will typically say 'I'm on my period' rather than 'I'm on my periods'
My parents are tall but I’m short am I adopted???
Answer:
Nope. You get your height genes from both sides of your family - and you can end up taller or shorter than either or both of your parents. You never know if some of your ancestors might have contributed genes.
Hope this Helps!
-Lexie
If all mammals today evolved in 65 millions years from a common ancestor, and if one species took 100,000 years to evolve, how many ticks would tjis be?
Answer:
650
Explanation: