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irina [24]
3 years ago
14

A cell membrane is bigger a specific about what allows across how does this help the cell

Biology
1 answer:
mamaluj [8]3 years ago
7 0

Answer: It helps the cell absorb as many different molecules as possible.

Explanation: the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

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uhm i have 5 questions due in an hour so please help. It's 45 points and they're all abt biology btw~
Mariulka [41]

Answer:

the point of science is to disprove hypothesis so having a hypothesis that doesn't allow that to happen is not good science

2. they don't fit in our mouths so are a trait from when we had larger jaws

3. bones of your lower jaw, middle ear and voice box (they aren't actually gills fyi, they just look like them)

4. likely yes as their bones were hollow but likely only able to fly short distances, the thought was that they couldn't do their size and weight but with hollow bones they were able to like a quail would

5. no because they could be sister taxa, you would have a hard time proving exactly that this new fossil is the common ancestor that birds came from to replace the old hypothesis (guess) of which one did.

Explanation:

3 0
3 years ago
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Which of the following accurately describes the function of transfer RNA?
Alchen [17]

Answer:

II. This type of RNA molecule transports amino acids from the cytoplasm to the ribosomes to build proteins.

7 0
2 years ago
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What is the smallest unit in biology ?​
erma4kov [3.2K]

Answer:

A cell is the smallest unit of a living thing.

6 0
2 years ago
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avier stepped on a splinter while walking barefoot. The splinter pierced deep into his foot and caused a great amount of pain. W
kykrilka [37]

Answer:

Answered below

Explanation:

On piercing his foot, the pain receptors called nociceptors, found in the skin, are activated. Nociceptors exist at the nerve endings of the primary afferent neurons. Signals travel along the first order neurons which have cell bodies within the dorsal root ganglia of the spinal cord. In the dorsal root ganglia, the signals are taken up at the synapse with the second order neurons which have cell bodies in the nuclei of the cranial nerves within the brainstem. These neurons ascend cranially in the spinothalamic tract to the thalamus. The third order neurons lie within the ventral posterolateral nucleus of the thalamus. They terminate at the somatosensory cortex where the signals are being processed and returned as a sensation of pain.

5 0
2 years ago
How does the transpiration cooling mechanism compare with the main cooling mechanism of mammals?
andrezito [222]
Like transpiration in plants mammal's hypothalamus makes sweat glands functional and mammal's body secretes sweat which on evaporation decreases the body temperature
5 0
3 years ago
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