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klio [65]
3 years ago
7

Question 8 of 10

Biology
1 answer:
Vikki [24]3 years ago
5 0
Energy Energy Energy Energy
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Polarity of bonds and molecules is determined by the ______________ of the atoms involved.
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Symmetry of the atoms
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Which of the following is a true statement about osmosis?
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B, osmosis is the movement of water across a semi-permeable membrane according to the gradient of concentration. The water moves to were the concentration of  solute is higher, that way the solute concentration is equalized.
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What are the adaptations of bottle-nosed dolphins that allows them to thrive in the marine biome?
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A and D

Explanation:

Dolphins have a narrow, torpedo-shaped body to swim easily through water. Their strong, paddle-like flippers also aid in strong swimming.

However dolphins do not secrete gases or attach themselves to the bottom of the sea, so the answers are A and D.

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2 years ago
If a population is at Hardy-Weinberg equilibrium...
jarptica [38.1K]

Answer:

B. (i) yes; (ii)-yes

Explanation:

If a population is at Hardy-Weinberg equilibrium, allele frequencies can be calculated from the given values of genotype frequencies and genotype frequencies can be calculated if the allele frequencies are given.

For a population in Hardy-Weinberg equilibrium; p+q=1

Here, p= frequency of recessive allele and q = frequency of dominant allele.

And p2 + 2pq + q2 = 1

p2= Frequency of homozygous dominant genotype

2pq = Frequency of heterozygous dominant genotype

q2 = Frequency of homozygous recessive genotype

For example, if frequency of homozygous recessive genotype (q2) is 0.40, then, the frequency of recessive allele (q) will be = square root of 0.40= 0.63

Likewise, frequency of dominant allele (p) in this population will be = 1-q = 1-0.63 = 0.37

3 0
3 years ago
The two holes in your nose are called?
IceJOKER [234]
Hello there!

The two holes in your nose are called "Nostrils"

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~Lexa
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