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RSB [31]
3 years ago
9

Which of the following statements is true about the structure of the cell membrane?

Biology
2 answers:
Harlamova29_29 [7]3 years ago
7 0
C.) The proteins on the two layers are not identical.
docker41 [41]3 years ago
7 0

Answer:

Option (C).

Explanation:

Plasma membrane can be defined as a outer covering, present in cells of all living organisms, including both prokaryotes and eukaryotes that separate internal and external environment of the cell.

Plasma membrane is made up of lipid bilayer in which proteins are embedded. Proteins present in these two lipid bilayer have different composition and functions.

Thus,the correct answer is option (C).

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Which of the following statements is consistent with the principle of competitive exclusion?The random distribution of one compe
xxTIMURxx [149]

Answer:

Even a slight reproductive advantage will eventually lead to the elimination of the less well adapted of two competing species

Explanation:

The competitive exclusion describes relationship between two species that compete for the limiting sources, and cannot coexist. It is enough for one species to have slightly advantage to be dominant over the other. As a consequence, other species (the weaker one) will be extincted (shift to a different ecological niche).

4 0
3 years ago
Why does mutation happen regularly? *
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Answer:

Explanation:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.

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Which process converts carbon in the form of sugar into carbon dioxide gas?
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respiration

Explanation:

HOPE THAT THIS IS HELPFUL.

HAVE A GREAT DAY.

8 0
2 years ago
Which of the following are found in plant cells, but not in animal cells? Pick three.
galben [10]
Alarge vacuoles cell walls and chloroplasts
5 0
3 years ago
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In a forest ecosystem, a species of bird was introduced. The birds had few predators, and for a period of time its population ro
melamori03 [73]

Answer: d. The ecosystem reached its carrying capacity, and was not able to support continued population growth.

Explanation:

The carrying capacity can be defined as the maximum population size of the species that habitat or ecosystem can support or sustain on the basis of availability of food, water and other necessities. This is an important factor which keeps a balance of the population of a species in a particular region or ecosystem.

On the basis of the above information, The ecosystem reached its carrying capacity, and was not able to support continued population growth is the correct option to level off the rising populating of the birds.

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