Ques:Answer the following question given this paragraph: Methyl groups are found within amino acids. Q: Methyl groups are found within what? Choices: - rna acids - DNA molecules - peptide chains - amino acids A:

Ans:amino acids
-----
Ques:Answer the following question given this paragraph: A fully developed placenta, like the one in Figure below , is made up of a large mass of blood vessels from both mother and fetus. The maternal and fetal vessels are close together but separated by tiny spaces. This allows the mother's and fetus's blood to exchange substances across their capillary walls without the blood actually mixing. Q: A fully developed placenta is made up of a large mass of what? Choices: - brain tissues - plant cells - estrogen hormones - blood vessels A:

Ans:blood vessels
-----
Ques:Answer the following question given this paragraph: Q: What step, involving placement of a substance on the stigma, precedes fertilization? Choices: - mitosis - spawning - hibernation - pollination A:

Ans:pollination
-----
Ques:Answer the following question given this paragraph: Other dry climates get a little more precipitation. They are called steppes . These regions have short grasses and low bushes (see Figure below ). Steppes occur at higher latitudes than deserts. They are dry because they are in continental interiors or rain shadows. Q: What is the term for dry climate regions at higher altitudes that have short grasses and low bushes? Choices: - deserts - fringes - prairie - steppes A:

Ans:
steppes
-----