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kodGreya [7K]
3 years ago
9

14. Which is true about a dependent variable in an experiment?

Biology
1 answer:
Grace [21]3 years ago
3 0

c. It never changes during the experiment.

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How much of the parent DNA molecule makes up one daughter DNA molecule ?
nataly862011 [7]

Answer:

Watson and Crick discovered that DNA has a double helix shape, consisting of two polynucleotide chains held together by bonds between complementary bases. DNA replication is semi-conservative: half of the parent DNA molecule is conserved in each of the two daughter DNA molecules.

Explanation:

I looked it up lol

8 0
2 years ago
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liq [111]
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4 0
3 years ago
The large muscular sac that continues the mechanical and chemical digestion of food
S_A_V [24]

Answer:

stomach

Explanation:

uh stomach lol i mean when you swallow it goes to your stomach and you just digest it

3 0
2 years ago
Geneticists have determined that the majority of individuals in an isolated island population have blood type
oee [108]

Question continuation;

..........type B. Type A is found to be more common in the mainland population from which the island was settled.

How could a geneticist best explain the dominance of blood type B in the island population?


Multiple choices;

A. Random mutations have occurred in the island population.

B. Genetic drift has reduced the frequency of type A individuals.

C. Natural selection has only occurred in the mainland population.

D. Environmental conditions on the island are less favorable for type B individuals.


Answer;

B. Genetic drift has reduced the frequency of type A individuals.


Explanation;

-Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance.

-It occurs in all populations of non-infinite size, but its effects are strongest in small populations.

8 0
3 years ago
Read 2 more answers
2. Describe adaptations of pioneer species.
Natasha_Volkova [10]
Pioneer species are often hardy plants with Adaptations such as long roots, root nodes containing nitrogen-fixing bacteria, and leaves that employ transpiration.
4 0
3 years ago
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