Answer:
Sponges
Explanation:
State TWO reasons why enzymes are referred to as 'biological catalysts'.
Answer:
Like all other catalysts, enzymes are characterized by two fundamental properties. First, they increase the rate of chemical reactions without themselves being consumed or permanently altered by the reaction. Second, they increase reaction rates without altering the chemical equilibrium between reactants and products.
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what is the main function of the reticular activating system?
The reticular activating system's main function is regulating transition between arousal and sleep−wakeness.
what is reticular activating system?The reticular activating system (RAS) is a bundle of nerves located in the brain and it is responsible for regulating wakefulness and sleep-wake transitions.
It is also involve in filtration of noise with processing of messages or make it slower during sleep, it alters the brain's electrical activity, electrical voltage of brain waves and the speed.
The primary function of RAS is higher at brain centres when important messages are received and filter the important messages, for example The eye sends messages to the brain through the optic nerve.
If the RAS system is damaged, it can cause sleep problems, lethargy, or coma, also play a role in narcolepsy and degenerative brain disorders like Parkinson's disease and supranuclear palsy
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I wasn’t here for this help please!! 22-26!
Answer:
22: B
23: B
24: B
25: A
26: A
Good luck!
Answer:
bbbaa
Explanation:
22.b
23.b
24.b
25.a
26.a
what effort is made in nepal for the conservation of wildlife?
Nepal has made use of some limited hunting in hunting reserves to help fund their wildlife conservation efforts. No endangered species are allowed to be hunted.
▪▪▪Cutest Ghost▪▪▪Explanation:
Nepal has made use of some limited hunting in hunting reserves to help fund their wildlife conservation efforts. No endangered species are allowed to be hunted
How is aerobic cellular respiration different from fermentation?
Answer:
Aerobic respiration is a metabolic process that occurs in the presence of oxygen while fermentation is a catabolic process that occurs in the absence of oxygen.Explanation:
20 points
Cells are classified as prokaryote and eukaryote. If a cell has no nucleus
and no membrane bound organelles, as mitochondria and chloroplasts,
then it is classified as *
A.Eukaryote
B.Prokaryote
C.Endosymbiosis
D.both a and b
Answer:
B. Prokaryote
Explanation:
Because it does not have a well defined nucleus and bound organelles
Answer:
B
Explanation:
A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle.In prokaryotes, the DNA (chromosome) is in contact with the cellular cytoplasm and is not in a housed membrane-bound nucleus. ... Throughout the course of evolution, organelles such as mitochondria and chloroplasts (a form of plastid) may have arisen from engulfed prokaryotes.
what is Soil erosion..?
Explanation: Soil erosion is a gradual process that occurs when the impact of water or wind detaches and removes soil particles, causing the soil to deteriorate. ... The impact of soil erosion on water quality becomes significant, particularly as soil surface runoff. Sediment production and soil erosion are closely related.
the genetic material of the eukaryotic cell is stored inside which organelle
Explain your observations. What did you observe? Submit your data chart here.
Where in your body do you think cell division is occurring?
Answer:
Everywhere except in gonad cellsExplanation:
Cell division by mitosis occurs in all human body cells except the gonads (sex cells). During mitosis, the DNA is exactly copied and a new daughter cell created with the same number of chromosomes as the parent cell, ie 46. In the sex cells, meiosis occurs where the DNA is halved and the daughter cell has only 23 chromosomes.
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Answer: in shoot and root tips
1 point
8. In the above food web described, crab, clams, mussels, sea snails and
urchins are
Mussel
Sea snail
Clam
Urchin
Crab
Primary Consumer (Herbivore)
Secondary Consumer (Carnivore)
Producer
Answer:
they are all primary consumers
Explanation:
what type of circulatory system do earthworms have?
Answer:
a closed circulatory system.
Explanation:
an earthworm circulates blood exclusively through vessels.
Answer:
Closed circulatory system.
what are four examples of nutrients cycled in a biogeochemical cycle
Answer:
The Gaseous cycles include those of nitrogen, oxygen, carbon, and water; while the sedimentary cycles include those of iron, calcium, phosphorus, sulfur, and other more-earthbound elements.
Explanation:
Major examples are carbon, phosphorus, nitrogen, and oxygen in nutrient cycles in the biogeochemical cycle.
What are important nutrients in the biogeochemical cycle?Most of the elements are important to flow in the ecosystem to obtain living things and their surrounding environment in a balanced state.
This cyclic flow provides energy at every level in the ecosystem, carbon is an important substance synthesis during the photosynthesis process and this plays role in energy molecule flow in a particular direction.
In the biogeochemical cycle carbon cycle, oxygen cycle, nitrogen, and phosphorus cycle flow between the living organism and nonliving matter.
Therefore nitrogen, phosphorus, oxygen, and carbon are major nutrients in a biogeochemical cycle.
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Line is defined as a
a. a geometric shape that is open and moves from one point to another.
b. a slowly curving path along a plane.
C. a path through space.
d. The distance or area between around, above, below,and within objects.
Please select the best answer from the choices provided
Ο Α
ОВ
OD
Answer:
A is the answer
Explanation:
a line is a infinetly thin infinetly long straight line.
is algae is saprophytic plant
yes
no
What does costal cartilage connect?
Answer:
a. Ribs to the sternum
Explanation:
Answer:
Ribs to the sternum
Explanation:
The lens of the eye is held in place by the ___
Answer:
The lens of the eye is held in place by the iris
Explanation:
hope it helps you
Answer:
Ciliary Muscles
Explanation:
The muscles hold the lens in place but they also play an important role in vision. When the muscles relax, they pull on and flatten the lens, allowing the eye to see objects that are far away.
Which of the following accurately describes facilitated diffusion
Answer:
Xarwdef
Explanation:
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision? A. size of the cells of the organism B. what the organism eats C. how many types of cells are in the organism D. how fast the organism grows
Answer:
how many types if cell are in the organism
list the function done by living organisms
Answer:
Respiration,Growth,Nutrition ,Reproduction and Excretion
Explanation:
Mitosis is the division of the cell nucleus and cytoplasm into two genetically identical daughter cells.
a. True
b. False
Answer: True.
i am pretty sure.
Mental excess could produce, for its own purposes, the
voluntary blindness and deafness of deliberate solitude, the
artificial impotence of asceticism.
In this sentence, voluntary means:
A. dangerous
B. mournful
C. timely
D. willful
How would a cell make a protein that would go into the cell membrane?
Explanation:
Many proteins can move within the plasma membrane through a process called membrane diffusion.
This concept of membrane-bound proteins that can travel within the membrane is called the fluid-mosaic model of the cell membrane.
The process of differentiation is(1 point)
a process by which cells die.
a process by which cells repair themselves.
a process by which cells become specialized.
a process by which cells divide.
Answer:
C
Explanation:
I'm pretty sure I'm late but It's C. a process by which cells become specialized.
The process of differentiation is the process by which cells become specialized.
CELL DIFFERENTIATION:
Cell differentiation is the process by which an unspecialized cell becomes specialized in function. Cell differentiation is undergone by stem cells, which are regarded as totipotent cells. The process of cell differentiation occurs as a result gene expression. Cells like heart cells, blood cells, liver cells, kidney cells etc. are examples of specialized cells. Therefore, the process of differentiation is the process by which cells become specialized.Learn more at: https://brainly.com/question/20285092?referrer=searchResults
20. Which element would be found in Period 5, Group 6?
А. Та
B. Mo
C. W
D. Nb
Answer:
A.
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im from philippines.
hybrid zones provide an opportunity to investigate _____.
Answer:
Hybrid zones are geographical areas where two interbreeding groups of genetically unique organisms meet. Hybrid zones provide an opportunity to investigate Reproductive isolation and Speciation.
Explanation:
why are scientists obsessed with discovering water on mars ?
Answer:
Understanding the extent and situation of water on Mars is vital to assess the planet's potential for harboring life and for providing usable resources for future human exploration.
Explanation:
a green plant which makes food using light energy water and carbon dioxide during the process of photosynthesis
Answer:
Explanation:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel.
Answer:
Autotrophs!
Explanation:
Autotrophs are plants that have chlorophyll, which is a green pigment found in plants. These plants do all the things in your question!
17. What two headed muscle comes together with the soleus to attach to the heel?
The gastrocnemius muscle
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what is the approximate percentage of total fixed nitrogen attributed to human activities?
Of the annual global total of fixed nitrogen, human activities account for roughly 45%.
Nitrogen fixation is the global amount of nitrogen that gets assimilated by any living organism into another organic compound. The organic compound can be ammonia or nitrogen ions.
Of the total global annual nitrogen fixation, humans account for a great amount. The current estimation is that humans cause 45% of the nitrogen fixation annually. The leading causes of this high rate are the burning of fossil fuels and increased agricultural fertilizer use.
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