Which nitrogenous base is found in RNA but not found in DNA?

After the DNA is unwound, what protein keeps the strands from reannealing? a. DNA primase b. Sliding clamp c. Helicase d. SSB protein

Metamorphic rocks can be formed by

In many cultivated plants (such as oranges, bananas, and potatoes), favorable characteristics often are created by careful genetic crosses.

Which statement best describes a relationship between mitochondria and chloroplasts? A. Mitochondria release chemical energy from molecules and store it in chloroplasts. B.

An organism with two of the same alleles (two dominant or two recessive) for a trait is called (hybrid or purebred)

Select all that apply. Over time plants and animals have developed defenses against being eaten. What are some examples of these defense mechanisms?

If you were an electron, and your home town was your nucleus, what would you need to do in relation to your home town to emit light (release energy) ?

Which of these provides the best evidence of the environment in which an igneous rock was formed?

Which one of these is NOT an example of intercellular communication? Bacteria share information about nutrients Ribostones make proteins Endocince cells send hormones to blood Hypothalamus signals pituitary gland

Process by which green plants convert carbon dioxide, water, and energy from the sun into sugars