Study this genetic code.

In order for this code to represent a piece of DNA, which base must be replaced by thymine?

A)

adenine

B)

cytosine

C)

guanine

D)

uracil

In what respect is a mycelium and a fruiting body similar? A. Both are made of hyphae. B. Both are found above the ground. C. Both produce reproductive spores. D. Both absorb nutrients underground.

What is an organism's niche? a. The range of physical and biological conditions in which an organism lives and the way in which it uses those conditions. b. All the physical and biological factors in the organism's environment. c.

Q 1. what causes the most difference in the air pressure? #1. differences in elevation #2. differential heating #4. winds Q 2. when is air pressure highest #1. when air is moving sideways #2. when air is sinking #3. when air is rising Q 3.

Populations of amphibians, including frogs and toads, have been plagued by disease and high rates of deformity. A recent study investigated whether problems among the populations have arisen due to poisons from chemicals associated with agriculture.

a diagram that shows how groups of organisms may be related A. species B. traits C. DNA D. homologous E. branching tree F. pedigree

During what stage does the G1 S and G2 phase happen

Boiling water kills bacteria ... does freezing?

Mrs. sash has glaucoma and a history of supraventricular tachycardia. which neurologic drugs may aggravate these problems?

What processes does your brain use when you read

Living things are known as?