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hoa [83]
3 years ago
12

The accumulation of small changes in a gene pool over a relatively short period is called: A: anagenesis B: cladogenesis C: micr

oevolution D: punctuated equilibrium
Biology
1 answer:
Law Incorporation [45]3 years ago
4 0
C MIRCOEVOLUTION

happens on a genetic level


<span>As many researchers hypothesize that the old single-celled organism or the origin of the complex-celled organisms came from the endosymbiosis of the mitochrondrion organism and the prokaryotic cell. It has been said that mitochondria was an independent organism which then to have been evovled itself after planting itself inside a prokaryotic cell which aided cellular respiration and production of ATP (Adenosine Triphosphate). This then aided the prokaryotic cell to be more sophisticated and caused another change from having without a true nucleus to a eukaryotic cell with a nucleus and embedded DNA.</span>
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Label the figure below. Word bank: leading strand, lagging strand, DNA
Natalija [7]

Answer:

DNA can replicate itself because its two strands are complementary. This means that one strand can be used as a template to make the other strand. It happens right before cell division via mitosis or meiosis so that each new daughter cell can have a complete genome.

Before replication can start, the double strands of DNA need to separate from each other. An enzyme called DNA helicase breaks the hydrogen bonds that connect the two strands, allowing them to come apart.

The point where this unzipping starts is called an origin point. Eukaryotic DNA can have more than one origin point, but prokaryotes can only have one.

The points where DNA is currently unwinding are called replication forks.

A comparison of eukaryotic and prokaryotic DNA replication

Hope this helps Have a good day

4 0
3 years ago
Dna replication is called semiconservative because _______________ of the original double-helix appears in one daughter strand f
Tamiku [17]
I believe the answer is this:
DNA replication is called semi-conservative because half of the original double-helix appears in one daughter strand formed in replication if you need any more help then please comment and let me know ok. :)
7 0
3 years ago
True or false:<br><br> Fish are considered carbon-based organism
vekshin1

Answer:

Its how you see it.

Explanation:

1.Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.

2.All life on earth <em><u>can be thought</u></em> of as "carbon-based." Just be careful about turning this around backwards. It is true that all living things contain carbon compounds... but the opposite is not true. Just because a certain material is referred to as organic does not mean it is or ever was alive.

6 0
3 years ago
2. What muscle (with two heads) allows you to flex your arm?
klio [65]

Answer:

Answer is Biceps brachi.

8 0
3 years ago
What is sexual reproduction​
lara31 [8.8K]

Answer:

In sexual reproduction, two parents are required to produce a new organism. Most plants and animals, including human beings, reproduce sexually

2. the production of new organism by combining genetic information from two individuals of different types (sexes). in most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by others (female).

4 0
4 years ago
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