During protein synthesis, mRNA is translated into three-base sequences representing amino acids. What signals the ribosome to begin translating the mRNA into a new amino acid sequence? A a codon B temperature C a mutation D enzymes

Which of the following is true regarding soil? Soil is an ecosystem because it contains many interacting biotic and abiotic components. Soil consists only of biotic components, so it is not an ecosystem.

To prevent back injury, the nurse should instruct the client to

People with type ab blood are considered the "universal recipient" for transfusions because their blood is plentiful in a and b antibodies. they are usually rh negative. their blood lacks a or b antibodies. their blood cells lack a and b antigens.

The moisture of a biome is determined by both precipitation and what

So far, the only disease that has been globally eradicated is

What are the components of acid rain

If a food has carbohydrates, does that mean it is good for you

Arthropods do not have internal bones. Instead, an arthropod's body is supported by two or three segments. an exoskeleton. a set of antennae.

A health claim describes the relationship between a food, food ingredient, or dietary supplement and reduced risk of a nutrition-related condition. a. True b. False

Which two macromolecules offer energy storage to the cell