Which occurs during inhalation?

a. The rib cage expands.

b. The diaphragm relaxes.

c. Air is pushed out of the body.

Which of the following is a function of the placenta?: mixing the blood of the mother and the fetus protecting the fetus from drugs, such as alcohol, in the mother's body providing nutrients to the fetus cushioning and protecting the fetus

How do catalysts affect the energy of reactions? A. They lower the activation energy required for the reactions to take place. B. They absorb excess energy that would otherwise stop reactions from happening. C.

What is the main function of Ribosome, and Nucleus?

Biochemistry is focused on four biological molecules: proteins, carbohydrates, nucleic acids, and lipids. of these, which are not polymers?

When energy is released during catabolism, it is temporarily trapped in high-energy bonds or electrons of certain compounds. Which of the following is NOT associated with carrying energy? a. ATP b. DNA c. NADH d. FADH2 e. NADPH

Does the same codon always control skin color eye color and the presence of spots Why do you think this is the case?

Which best describes them structure of a dna molecule A. a strand of amino acids B. A sugar ring C. a double helix D. A strand of nucleic acids

Which risk factors are seen in young and middle-age adults? select all that apply. which risk factors are seen in young and middle-age adults? select all that apply?

What are the main organs of the CNS?

In the African savanna, more wildebeests are born than the environment can support. What is most likely the result over a period of years? A. The chances for survival of the population are reduced. B.