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yuradex [85]
3 years ago
9

What does it mean to be selectively or semi-permeable

Biology
2 answers:
slamgirl [31]3 years ago
4 0

Answer:

Explanation:

Easily. Let by

vova2212 [387]3 years ago
3 0

Answer:

Selectively permeable or semipermeable means specific substances are allowed to pass through the plasma membrane.

Explanation:

The plasma membrane is selectively or semipermeable in nature because the plasma membrane allow only specific molecules such as nonpolar substances or hydrophobic substances such as steroidshormone to pass through it and prevent the passage of polar solute molecules such as water,glucose.

   To transport these polar solutes across the membrane an additional protein is needed in case of transport of water channel protein is needed whereas in case of glucose transport carrier protein is required.

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8 0
3 years ago
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The process by which two species, for example, a flower and a pollinating insect, evolve in response to each other is called ___
polet [3.4K]

Answer:

C. Co-evolution

Explanation:

In biology, coevolution occurs when two or more species reciprocally affect each other's evolution through the process of natural selection. The term sometimes is used for two traits in the same species affecting each other's evolution, as well as gene-culture coevolution

3 0
3 years ago
A : chromatid<br> b : centroemere<br> c : single strand chromosome<br> d : double strand chromosome
Anton [14]

d: double strand chromosome

8 0
3 years ago
Fungi must rely on other organisms for their energy needs.
Korolek [52]
<span>fungi is mould so, its not fungi and mould, anyway, fungi is an organism that doesn't contain the green pigment or chlorophyll, so it cannot produce its own food by photosynthesis so it depends on other plants and animals in order to survive , this type of a relationship is called a symbiotic relationship, </span>
8 0
4 years ago
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100 POINTS!!!!!! Help FAST!!!!!!!!!!!!!!The picture below shows the bone structures of human, cow, and horse.
11111nata11111 [884]

Answer:

option A they have developed from the same organism

Explanation:

Organs of animals (belonging to different species) which have similar structure but different functions are homologous organs. Such organs have evolved from the same ancestors , however their function are different.  

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Here in this case  also the bone structures of human, cow, and horse are same but their functions are different, thus they are homologous organs and hence they have evolved from same ancestors.  

The correct answer is option A

7 0
3 years ago
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