What observation led researchers to propose that chloroplasts evolved from cyanobacteria? A) Both produce proteins. B) Both contain mitochondria. C) Both provide structure to cells. D) Both perform photosynthesis.

State mendel's principle of dominance

A person tests positive for a retrovirus. Does this prove that they are exhibiting the symptoms of an illness? O A. Yes, because retroviruses can replicate very quickly once in the active phase. O B.

Which cellular environments is conducive to the formation of disulfide bonds within or between proteins?

You are watching a televised debate on evolution. One of the participants repeatedly states that evolution is a "scientific theory," and as such is unsupported by any evidence. What is wrong with this statement?

A squirrel population lives in an area. Over many years, a river in that area grows wider and stronger, eventually forming a canyon.

Describe what each type of survivorship show (type1, type2, and type3)

According to the food web what would happen to the producers if a virus broke out among the primary consumers and wiped out most of the species? A. the producers would increase B. the producers would decline C. the producers would have no change D.

Explain why a venus flytrap is considered living using the following characteristics of life: using energy, growth & development, and evolution (adaptation)

Which of the following peripheral nervous system (PNS) neuroglia form the myelin sheaths around larger nerve fibers in the PNS?

Which of the followings is true about gluconeogenesis? A. One ATP and one GTP is needed to convert pyruvate to PEP B. Oxaloacetate is involved in generating PEP C. Gluconeogenesis primarily occurs in the mitochondria D. In occurs in the brain