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nlexa [21]
1 year ago
14

Which statement describes the ability of the cell membrane to allow various substances to move tbrough it?

Biology
1 answer:
sweet [91]1 year ago
8 0

The statement that describes the ability of the cell membrane to allow various substance to move through is that the cell membrane is preamble and allows only certain substances to pass through.

Explanation:

The plasma membrane is preamble, hydrophobic molecules and small polar molecules diffuse through lipid layer. The integral membrane proteins enable large polar molecules to pass through the membrane.

Some molecules can cross the membrane like hydrocarbons and oxygen. Whereas the large molecules like glucose and sugars cannot cross. The water pass through lipid.

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Eye color in most mammals is dependent on the number of inherited pigment genes (melanin) that are additive in their effects. If
Dominik [7]

Answer:

Hazel - 1/4 or 25%

Green - 1/2 or 50%

Blue - 1/4 or 25%

Explanation:

First, let us carry out the cross between AaBB and Aabb using a Punnet's square. The result is as below:

AABb - 4/16

AaBb - 8/16

aaBb - 4/16

(See the Punnet's square analysis in the attached image).

<em>AABb genotype has 3 pigments, hence, would be hazel.</em>

<em>AaBb genotype has 2 pigments, hence, would be green.</em>

<em>aaBb has one pigment, hence, would be blue.</em>

Expected progeny:

<em>Hazel - 1/4 or 25%</em>

<em>Green - 1/2 or 50%</em>

<em>Blue - 1/4 or 25%</em>

6 0
2 years ago
List three questions about human honey guide symbiosis that could be answered with further research
Arte-miy333 [17]

Answer: 1. do honeyguides in different areas of the world have a similar symbiosis with humans?

2. how old are the birds when they learn to respond to the humans' calls?

3. could other birds in the region form a similar symbiosis with humans?

Explanation:

8 0
2 years ago
What factor will most likely decrease the rate of glucose production?
PilotLPTM [1.2K]

Answer:

I would think it would be B Hope this helps out.

Explanation:

6 0
2 years ago
Osmosis causes water to move from areas of low salt concentration to areas of high salt concentration. The internal NaCl concent
WITCHER [35]
<span>Red blood cells normally have a biconcave shape (picture a donut, but instead of a hole through the centre there's just a downward slope to the centre of the cell). If the cell takes on water, it will increase in size and the sloped areas will start to flatten out. If the cell loses water, it will begin to shrivel. Use these observations and your understanding of osmosis to answer the question!</span>
4 0
2 years ago
Read 2 more answers
PNS axons are vulnerable to cuts, crushing injuries, and other types of trauma. However, a damaged ____________ can regenerate i
Olenka [21]

Answer:

The correct answer is - damaged, effector organ, neurilemma, damage, distance, cell body, decreased.

Explanation:

PNS axons are prone to cuts, and other types of injuries. A damaged axon can regenerate if the effector organ remains intact and a critical amount of neurilemma is found.

The degree of success of these axons regeneration depends upon factors that are (1) the amount of damage, and (2) the distance between the site of the damaged axon and the cell body it innervates The possibility of repair is reduced with an increase in either of these two factors. Neurolemmocytes play an active role in regeneration

6 0
1 year ago
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