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Yuri [45]
4 years ago
7

Two organisms that are placed on distantly spaced twigs on a phylogenetic tree are

Biology
1 answer:
Reika [66]4 years ago
8 0

Answer;

Two organisms that are placed on distantly spaced twigs on a phylogenetic tree are distantly related. They don't share the most recent common ancestor.

Explanation;

A phylogenetic tree is a diagram that describes the evolutionary relationships among carious species, based on the information available to and gathered by systematists. Should be viewed as hypotheses.

-The pattern of branching in a phylogenetic tree reflects how species or other groups evolved from a series of common ancestors. In trees, two species are more related if they have a more recent common ancestor and less related if they have a less recent common ancestor.

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"DNA replication does not happen without some help. Which other molecules or types of molecules are needed for DNA replication t
myrzilka [38]

Answer:

Enzymes like DNA polymerase III, HELICASE, Primase, Topoisomerase, ligase.

Explanation:

DNA replication is an important process that must occur prior to cell division. DNA content of a cell becomes duplicated in the process. This process, however, cannot occur without some vital elements that play specific roles. These elements are mostly enzymes which includes DNA polymerase III, HELICASE, Primase, Topoisomerase, ligase.

DNA POLYMERASE III is the main enzyme in this process, it adds nucleotides that are complementary to the unwinded DNA strand in order to synthesize its replica.

However, a new complementary DNA strand cannot be synthesized if the original double-stranded DNA does not unwind or separate. This process of unzipping the DNA into a Y-shaped replication fork is done by HELICASE.

DNA polymerase III starts adding nucleotides from the 3' end of the DNA strand. In order to recognize this end on the strand about to be synthesized, PRIMASE synthesizes a short strand of nucleic acid called Primer. This primer provides the DNA polymerase with something to start working on.

TOPOISOMERASE works on the double-stranded DNA prior to formation of replication fork by helicase. It helps prevent the DNA strands from becoming too tight and super coiled in order to make unzipping easy.

LIGASE helps to fill up those gaps in the DNA fragments during the synthesis of a complementary strand.

8 0
4 years ago
A(n) _____________ is a pattern of dark bands on photographic film that is made when DNA fragments are separated by gel electrop
katrin [286]
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8 0
3 years ago
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B
4vir4ik [10]

Answer:

There is a <u>75%</u> probability that an offspring will have the dominant trait and a 25% probability that an offspring will have a recessive trait.

Explanation:

<em>May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I only need 6 more brainliest to become a genius! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!</em>

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7 0
1 year ago
Small sacs in the lung where oxygen and carbon dioxide are exchanged with the blood are called ______________.
Lunna [17]
Hello!
The answer would be Alveoli

In humans, oxygen and carbon dioxide are exchanged in the blood within many small sacs called alveoli in the lungs. Alveoli provide a large surface area for gas exchange.

Hope this helped!
6 0
4 years ago
What do babies hear and feel inside the mother's womb?
Bogdan [553]
Well, they feel the womb and hear the outside. that's about it other than making the baby.
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4 years ago
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