Answer:
46 chromosomes
Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.
Explanation:
Hope it helps
Answer:
The correct answer is -
1. right-handed
2. right-handed
3. positive
4. left-handed
5. negative
6. negative
Explanation:
In a circular bacterial chromosome, the structure of DNA is a right-handed double helix In a circular bacterial chromosome.
If DNA is twisted in the right-handed direction, it becomes overwound. Overwinding results in positive supercoiling takes place. If DNA is twisted in the left handd direction, it becomes underwound. Underwinding results in negative supercoiling.
f. One effect negative supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the double helix
Answer:
Mammals are usually caught in nets, but long line fishing catches more than just target species of fish. Sharks, turtles and seabirds are all attracted to the bait on the lines of long line fishing. Seabirds get caught on the lines and drown.
Explanation:
Usually microorganisms help keep the nutrients in the soil cycling allowing for nutrients to be distributed all over. But they do what they can unless the disease is damaging to the soil itself therefore damaging the microorganisms working to keep the plant functioning.
<u><em>Answer:</em></u>
<u><em>Combustion</em></u>
<u><em>Explanation:</em></u>
<u><em>The step in the carbon cycle didn’t really exist before the industrial revolution was Combustion</em></u>
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<u><em>please mark me brainliest <3</em></u>
