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ruslelena [56]
3 years ago
14

Which factor causes the shapes of saturated and unsaturated fatty acids to differ?

Biology
1 answer:
lidiya [134]3 years ago
8 0

The answer is option C. Number of double covalent bonds between carbon atoms is responsible for causing different shapes of saturated and unsaturated fatty acids. The double covalent bond causes kink in the unsaturated fatty acids because of which their stacking is disrupted and they become loosely packed. The problem with double covalent bond is that unlike single covalent bond it can't rotate and has almost cis-configuration. This is also the reason behind their liquidity at room temperature.

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Which statement is true of both active transport and facilitated diffusion?
enyata [817]

The correct answer is option (D) The active transport and the facilitated diffusion both involve the proteins present in the cell membrane.

Facilitated diffusion transport the large and the charged molecules through the protein transport channels present in the cell membrane. In this case, the solute move from a region of higher concentration to lower concentration and it does not require energy.

Active transports takes place when the molecules move from a region of lower concentration to higher concentration via the membrane protein channels.

Both facilitated diffusion and active transport requires the proteins present in the cell membrane.

7 0
3 years ago
A zebra cell is just about to replicate its DNA. Which of the following will happen first?
Rom4ik [11]
C.) T<span>he DNA unravels to make two strands </span>
4 0
3 years ago
After 1973, American scientists began to make serious efforts to develop technologies that
Ann [662]

Yes

Explanation:

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4 0
2 years ago
Beaked whales feed at various depths, but they defecate at the ocean's surface. nitrogen-rich whale feces deposited in surface w
IgorC [24]
I think if the whale population decreased the surface fish populations would decline due to reduced populations of algae. This can be simply explained by the fact that, if the whale population is decreased, it means that the nitrogen rich feces that is supply nutrients to the algae would also decrease and therefore decrease the population of the algae and as a result the population of  of the surface fish  would also decline. 
3 0
2 years ago
If a homozygous black bull is mated with a homozygous white cow and the calf is gray, this would be an example of ________. howe
I am Lyosha [343]

The first statement above is an example of incomplete dominance. If the calf has black and white spots then that’s an example of codominance.

 

Incomplete dominance is a form of transitional inheritance in which one allele for an explicit trait is not entirely expressed over its paired allele. This effects in a third phenotype in which the expressed physical trait is a mixture of the phenotypes of both alleles.

 

Codominance<span> is a form of dominance by which the alleles of a gene pair in a heterozygote are wholly expressed. This effects in offspring with a phenotype that is neither dominant or recessive. A usual example showing this type of dominance is the ABO blood group system.</span>

<span> </span>

4 0
3 years ago
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