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MAVERICK [17]
3 years ago
15

What is so important about phospholipids being insoluble in water?

Biology
1 answer:
Vinil7 [7]3 years ago
7 0

Answer:

D. it allows our cells to dissolve without having to exert energy

Explanation:

Phospholipids being insoluble in water is so important because it allows our cells to dissolve without having to exert energy.

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How would removing hydroxyapatite from bone matrix affect the physical properties of a bone? A) The bone would be less flexible.
svlad2 [7]

Answer:  The correct answer is :  D) The bone would be more flexible.

Explanation:  The calcium in the bone matrix is found in crystals called hydroxyapatite, which is exactly a biological material formed by calcium phosphate, which represents a 99% deposit of body calcium. Hydroxyapatite is the inorganic portion of the bone matrix.

3 0
3 years ago
What is the surface-area-to-volume ratio of a cube-shaped cell whose sides are 6 mm long
ikadub [295]

Answer:

the answer is in the explanation

Explanation:

Surface area is

54

c

m

2

, volume is

27

c

m

3

and surface area-to-volume ratio is

2

Explanation:

If

s

is the side of a cube, then its surface area is

6

s

2

and its volume is

s

3

Hence, if the sides of a cube are

3

inches long

its surface area is

6

×

3

2

=

6

×

9

=

54

c

m

2

,

its volume is

3

3

=

27

c

m

3

and surface area-to-volume ratio is

54

27

=

2

8 0
4 years ago
Multiple Choice New species arise when a. a portion of the population becomes isolated from the remainder of the population and
Mandarinka [93]

Answer:

a. a portion of the population becomes isolated from the remainder of the population and experiences different selective pressures

Explanation:

This is an example of allopatric speciation Allopatric speciation is a form of speciation (formation of new species) that occurs as a result of geographic isolation. This means that a part of population becomes physically separated from the initial main population. There is no gene flow between these two populations and as a result the two populations  reach a high level  of genetic divergence. They can no longer interbreed which means they become two different species (speciation).

New populations evolve as result of mutation, genetic drift and natural selection.

For example, Galapagos finches are isolated from others by the ocean (geographic isolation).  Because of the isolation, the finches don’t breed with one another. So, they developed unique characteristics and became endemic.

8 0
4 years ago
Which statement is true about sperm and egg cells?
Elanso [62]

Answer:

I think it is D

:D

I might be wrong though

3 0
3 years ago
Read 2 more answers
In guinea pigs, the allele for a smooth coat (S) is dominant over the allele for a rough coat (s). Explain how you could find ou
never [62]

Answer:

Explanation:

First of all you need to have ss because this is recessive.

Secondly there is 2 option for Dominant one

It could be Ss or SS so if you wanna know what is what you need to use recessive gen

S- ss if all genes are hybrid dominant one would be SS if some genes aren’t hybrid dominant one would be Ss

3 0
3 years ago
Read 2 more answers
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