Which is an advantage of sexual reproduction?

a. two parents are required.

b. only one parent is required.

c. it leads to genetically diverse offspring.

d. it leads to genetically identical offspring.

Where do rift valleys occur

What would happen if dna was not condensed into chromosomes during mitosis? a. Dna would not be replicated. b. The spindle would not form. c. All of the above. d. Dna could become tangled or tear while moving to opposite sides of the cell?

As a sample of water turns to ice?

In a chemical reaction, a reactant binds to an enzyme at a region know as the?

Dna contains all the information a cell needs in order to make certain proteins. where are the protein-synthesizing instructions stored on a dna molecule?

Look at the ocean system described below. plankton - - - > sardines - - - > swordfish - - - > shark What will most likely happen to this ecosystem if the swordfish are killed by a virus? A. The shark population will decrease. B.

Complete the word association: Small intestine is to nutrient absorption as blood is to nutrient A. translation. B. regulation. C. distribution. D. elimination.

Which of the following correctly provides an example of the hierarchical structure of living organisms? A. Organisms that live in the ocean, as opposed to on land, have developed different ways to obtain oxygen. B.

What is the name of a long chain of amino acids strung together? Select one: O a. Polysaccharide b. Polypeptide c. Peptide sandwich O d. Polymorphism Check

For Ryan to meet his grain requirements, which group of foods would be his best choice in a single day?