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Tresset [83]
2 years ago
11

What type of chemical bond joins the bases of complementary dna strands?

Biology
1 answer:
son4ous [18]2 years ago
7 0

Answer:

hydrogen bonds.

Explanation:

The nucleotides in a base pair are complementary which means their shape allows them to bond together with hydrogen bonds. The A-T pair forms two hydrogen bonds. The C-G pair forms three. The hydrogen bonding between complementary bases holds the two strands of DNA together.

Mark me a brainliest answer

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Which characteristics are always present in all living organisms?
Snezhnost [94]

Q1. Heredity, cell and metabolism are the characteristic feature that are always present in living organisms

Q2. We shouldn't wrap the dissected body into the original wrapper and give instructor to dispose it off.

<h3><u>Explanation:</u></h3>

Q1. A living organism has several characteristic factors like it has cells, the cell performs metabolic activities and the organism maintains a heredity along its progenies. The living organisms must have cells which leads them to enclose their cellular components inside it. It also must have a metabolic activity to metabolize nutrition into required energy. It also do have a heredity to continue the race it belongs to.

Q2. In the dissection class, after the experiment with dissected body is over, the dissected body needs to be wrapped in fresh polythene or other bags that should be pasted with biohazard stickers and should be eliminated into specific containers that contains other biohazard wastes. The instruments must be washed thoroughly with some antiseptic and soap. The hand gloves should also be dumped within the biohazard containers wrapped in proper bags.

8 0
4 years ago
Which of the following is not learned from studying fossils?
julsineya [31]
How large extinct animals were, at the time. 
3 0
3 years ago
A diagram shows a potato producing new tubers. Buds on the parent plant grow into stems that grow downwards called stolons. The
san4es73 [151]

Answer:

See the answer below

Explanation:

Evidence that shows that the illustration is an asexual method of reproduction:

1. New tubers were produced without any signs of flowering or fertilization

2. Parent plant was produced from a vegetative part ( a tuber).

All the new tubers would be genetically identical because they were produced without fertilization. They all developed from the division of some of the vegetative cells (mitosis) of the parent plant. Hence, they are not only genetically identical with themselves but also with the  old tuber that produced the parent plant.

3 0
3 years ago
the terms germ and microbe are often used interchangeably. what comes to mind when you hear the word germ​
guapka [62]

Answer:

Most times when you think of the word germ you think of bacteria when i truth only a small fraction of bacteria are harmful a larger fraction is the ones that help organism such as for plants their are bacteria the eat nitrogen when the plant cant deal with nitrogen.

Explanation:

I hope this helps you other forms of germs can be virus but that is not the image you tend to think of when you here the word germ you think of a self living organism not a thing thats not even alive.

4 0
4 years ago
The diameter of the earth at the poles is about how many miles
Sauron [17]
About 7, 917. 5 miles = 12, 742km.

Hope it helps!
6 0
3 years ago
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