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Alex_Xolod [135]
4 years ago
12

What happens first at each origin of replication?

Biology
2 answers:
Debora [2.8K]4 years ago
7 0
Enzymes unwind DNA <span>Half of the original DNA is in the replicated DNA.

</span>
Vikki [24]4 years ago
3 0

Answer: Origin of replication is the site/ sequence in the genome of organisms from where the process of DNA replication is started. At first, the two strands are separated that is unwinding of double helix occurs with the help of an enzyme called helicase at this site ( origin or replication).

Due to this, a replication fork is formed and the process of replication is started.

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Which of the following would you predict would evolve in guppies taken from streams with predators that key in on prey color and
yKpoI14uk [10]

Answer:

Guppies would become more colorful.

Explanation:

7 0
4 years ago
A solution is select one:<br> a. nonuniform.<br> b. homogeneous.<br> c. heterogeneous.
kotegsom [21]
The answer is Homogenous
5 0
3 years ago
Emily is given an object by her grandmother. She is told it is worth a lot of money. Emily thinks it is quite ugly on the outsid
Darya [45]

Answer:

Rock

Explanation:

Minerals are inorganic substances that occur naturally in nature and have a  

a definite chemical composition and a crystalline structure while rocks may consists of one or many minerals together along with some organic remains due to which it may not look shiny and crystalline from outside.  

Here, the two characteristics that enable the reader to identify the object given by grandmother to Emily as rock  are –  

a) Looks ugly on the outside (shows the presence of organic matter)

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8 0
3 years ago
You observe a tissue under a microscope. There appears to be a lumen on one side of the tissue. Lining this lumen, the cells see
Lorico [155]

Answer:

The correct answer is A: Simple cuboidal epithelium.

Explanation:

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3 0
3 years ago
What isPlasma membrane<br>​
Shalnov [3]

answer:

plasma membrane a microscopic membrane of lipids and proteins which forms the external boundary of the cytoplasm of a cell or in closes a vacuole, and regulates the passage of molecules in and out of the cytoplasm

answer number 2

the plasma membrane or cell membrane, is the phospholipid layer that surrounds the cell and protects it from outside environment.

you can use either answer if you have to type or write an answer

3 0
3 years ago
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