Why do we make a working copy of a DNA molecule?

Consider an atom of gold in which the nucleus contains 79 protons and 118 neutrons. What is its atomic number and atomic mass number? The atomic number is 79, and the atomic mass number is 197.

Recent research has demonstrated a correlation between the presence of certain types of Gram-positive bacteria in the human gut with obesity and type 2 diabetes. These findings best support which of the following statements? a.

One parent is heterozygous for recessive genetic disorder and the other parent is homozygous for the dominant allele determine if their offspring are likely to express the recessive trait

Why do food chains end?

When mendel crossed short (tt) pea plants with short pea plants, the offspring were?

Why might you expect fluorocitrate to have an inhibitory effect on one or more of the TCA cycle enzymes if incubated with the purified enzymes in vitro, even though fluoroacetate has no effect?

Describe the view if you were to stand in the umbra of a solar eclipse.

What type of vessel carries blood away from the heart?

What is biodiversity an indicator of

How are traits passed down from parents to offspring?