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Irina-Kira [14]
4 years ago
5

When DNA is duplicated during mitosis, _______.

Biology
1 answer:
marishachu [46]4 years ago
3 0

Answer:

The correct option is <em>A. Two molecules are formed, each with one original side</em>

Explanation:

When a DNA is duplicated, initially the bonds between the complementary DNA strands are broken. Each strand serves as a template to generate a new strand. Nitrogenous bases are added complementary to both the templates and two new strands are generated. In this way, two new strands are formed with each being complementary to one of the original strands. This method is known as the semi-conservative method of DNA replication.

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Fitness. Give me brainliest please
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3 years ago
How do scientists organize the major events of Earth's history?
erik [133]

Answer: They divide it on eons.

Explanation:

They can see it from geologic strata and the fossil record. Major volcanic events altering the Earth's environment and causing extinctions may have occurred 10 times in the past 3 billion years. Different eons have different animal and plant life. (eg. trilobites)

7 0
3 years ago
What nuclear reaction product has the least mass?
Mademuasel [1]

Gamma rays

Explanation:

In a nuclear reaction product that has the least mass is gamma rays.

There are three types of ionizing radiation produced in nuclear reactions. They are:

  • Alpha particles
  • Beta particles
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Alpha particles are heaviest followed by beta particles. Gamma rays have no mass.

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Learn more:

Gamma rays brainly.com/question/10726711

#learnwithBrainly

6 0
4 years ago
What are the two major lipids in cell membranes?
natka813 [3]

Answer:c. Steroids/cholesterols and phospholipids

Explanation:

The cell membrane structure exhibit a fluid mosaic model due to the presence of two types of membrane lipids these are phospholipids and sterols like steroids/cholesterols.    

A phospholipid is a kind of lipid that is made up of glycerol, two fatty acids in tail and a head group associated with the head group. The biological membrane forms two layers of phospholipids with their tails that points inwards and the arrangement is called as the phospholipid bilayer.

The cholesterol is the another membrane lipid in the cell membrane. It is composed of fused carbon rings present along the side of phospholipids.

4 0
4 years ago
What is a non-renewable and a renewable source <br> list 5 of both
myrzilka [38]

Answer:

Explanation:

renewable (able to reproduce in short time)

trees, able to grow within years

wind produce by clouds and water

electricity made by power from sun who thunder

sewage municipal wastewater which tbh isnt much of a resource

non renewable

Coal

most major minerals (Diamonds, emerald's, granites, and jewels)

Oil

natural gas

nuclear energy

4 0
3 years ago
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