In DNA, adenine is always paired with

A cytosine.

B guanine.

C thymine.

D uracil.

In 1859, two dozen rabbits were introduced to Australia. By 1953, there were an estimated one billion rabbits in Australia. The addition of the rabbits to this established ecosystem caused many problems, including a huge decrease in native plants.

Why is cellular respiration considered to be much more efficient than glycolysis alone?

Dexter is a student who has learned about the neritic zone. His teacher has given him names of components of the abiotic and biotic factors. He has to categorize them.

Kelley's infertility is caused by blocked fallopian tubes. she has no history of pelvic infections or sexually transmitted infections. what is the most likely cause of the blockage?

17. Looking closer you will see that the pair of chromosomes are paired according to certain likeness among the chromosomes. List 3 likenesses that you see among paired chromosomes.

What is the difference between bacillus, coccus, and spirillum

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock