Which two embryos show the strongest structural and developmental similarities in their earliest stage of life?

A. chicken and fish

B. sea star and human

C. leech and frog

D. earthworm and snake

What do mitochondrial and thylakoid membranes have in common? A. They both use energy carriers that were made in the Krebs cycle. B. They both are involved in cellular respiration in animal cells. C. They both contain the chlorophyll pigment. D.

Beside deoxyribonucleic acid, what else could DNA stand for?

Which of the following lists demonstrates various tense of an irregular verb

A nurse is caring for a client with constipation. the incidence of constipation tends to be high among clients that follow which diet?

Dr. Stevens is examining the DNA sequences of a group of mice. He notices that in one of the mice, one nucleotide pair is substituted with another in the part of the DNA sequence that codes for fur color.

What are some things that the human brain is specialized to do? what is the evidence for sexual selection? what is sexual dimorphism and when is it found?

Give an example of stabilizing selection using body size of lizards

When a cell divides into two identical cells, what are these cells called

Live cultures of bacillus thuringiensis (dipel) and b. subtilis (kodiak) are sold as pesticides. what bacterial structures make it possible to package and sell these bacteria? for what purpose is each product used?

1. Extracellular calcium enters the axon terminal, triggering the exocytosis of acetylcholine. 2. Acetylcholine is removed by acetylcholinesterase. 3. Acetylcholine binds to receptors and depolarizes the postsynaptic membrane. 4.