Which two atoms form a covalent bond? A. A sodium and chlorine atom B. Two sodium atoms C. Two oxygen atoms D. An iron and oxygen atom

Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by the number of hydrogen bonds, with more bonds promoting more stability, which double-stranded DNA molecule would likely

What is the correlation between a high body mass index and being prediabetic?

Frameshift mutations can be very severe. what is one reason why they are often so serious?

Looking at the phylogenetic tree

Why are elephants scared of mice?

What would be a consequence of a non-working reproductive system

Avery and DNA (page 289) 7. Is the following sentence true or false? Avery and his colleagues thought that the molecule required in transformation might also be the molecule of the gene.

Beekeepers and scientists are puzzled and troubled by a decline in bee populations around the world. what would you predict as a likely consequence of the widespread lack of bees?

What kind of energy does matter have when it is in motion?

Zoe forgets to wash her hands before handling some samples in Petri dishes, and as a result, some of the samples become contaminated. What is a likely source of error in this experiment