Venous return to the heart is increased during expiration.

a. True

b. False

Viral characteristics include all BUT which one? A.) Most viruses are much smaller than bacteria B.) Viruses do not contain any nucleic acids C.) Viruses infect all types of life forms on Earth. D.) Viruses multiply several ways but always in a host.

Which is the function of the ribosoma?

Who would use weed killer and how?

What is the definition of symbiosis?

25) When does the synaptonemal complex disappear? A) late prophase of meiosis I B) during fertilization or fusion of gametes C) early anaphase of meiosis I D) mid-prophase of meiosis II E) late metaphase of meiosis II

Could a single cell extracted from a multicellular organism survive on its own, similar to the way the lone cell of a unicellular organism does? Why or why not?

Who is also known as father of genetics?

What do ion channels aid the movement of?

3. Which plant organelle carries out photosynthesis and produces the gas?

Which spinal region lacks autonomic preganglionic neurons?