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Rashid [163]
3 years ago
10

Do stomata open when there is an abundance of water during the daytime or nighttime?

Biology
1 answer:
Korolek [52]3 years ago
3 0

Stomata open in the daytime, when there is an abundance of heat energy from the sun that causes evaporation of water, causing the guard cells to become flaccid, allowing the stomata to open.

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you are given two nucleic acids; one rna and the other dna. what are the main features to determine which is the dna?
BigorU [14]

Answer:

DNA is a long polymer with a phosphate backbone and deoxyriboses. Adenine, guanine, cytosine, and thymine are the four nitrogenous bases. The backbone of RNA is made up of ribose and phosphate. Adenine, guanine, cytosine, and uracil are four nitrogenous bases.

So DNA is two stranded, RNA is single stranded.

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Explanation:

4 0
2 years ago
WHAT IS BREEDING DEFINATION
Luden [163]

Answer:

Breeding is sexual reproduction that produces offspring, usually animals or plants.

Explanation:

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8 0
3 years ago
If the frequency of one allele in a population is 0. 7 in a population with two alleles at a particular locus, what is the frequ
Kipish [7]

According to Hardy- Weinberg principle, if the frequency of one allele in a population with two alleles is 0.7 at a particular locus, then the frequency of alternate allele is 0.3.

<h3>What is Hardy- Weinberg equilibrium?</h3>
  • Hardy- Weinberg rule states that in the absence of disturbing factors, the genetic variability in a population remains constant in different generations.
  • It states that when mating is random both the genotypic and allelic frequencies remain constant as they are in equilibrium.
  • Hardy- Weinberg rule applies to a large population where mating is random and there is no migration.
  • It is given by p + q = 1, where p is the frequency of dominant allele in the population, q is the frequency of recessive allele in the population.
  • By squaring, p2+ 2pq+ q2= 1, where p2 is percentage of homozygous dominant individuals, q2 is percentage of homozygous recessive individuals. 2pq is percentage of heterozygous individuals.
  • Here given, p= 0.7, therefore q= 1- 0.7= 0.3

Learn more about Hardy- Weinberg equilibrium here:

brainly.com/question/3406634

#SPJ4

8 0
2 years ago
What is the primary role of the respiratory system in living organisms?
blondinia [14]
 Respiratory system<span>, the </span>system in living organisms<span> that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the </span>living organism<span>, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon..

</span>
5 0
3 years ago
Please help, I need it fast!!!
mezya [45]

Answer:

Question 1

B

Question 2

A

Question 3

i don't know this answer, sorry

Question 4

C

8 0
3 years ago
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