What three features are common to all respiratory systems?
What will be an ideal response?
All systems are moist and thin and have a large surface area for gas exchange.
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A man has a mutation in the ATP synthase gene. This results in an inability to synthesize ATP properly, causing extreme muscle weakness. If this man has children, what is the likelihood that they will inherit this disease from him?
A. 100% B. 0% C. 50% D. 25% E. 75%
Walking through the botanical garden with a friend, you spy a rare and beautiful variety of Hosta. "Oh I would love to have one of those!" you exclaim. "But they cost a king's ransom." Your friend smiles, snips off a tiny piece of the shoot, and says, "I'll grow you one. I'll just take it back to lab and..."
Ranking Questions __ "wait for somatic embryos to form..." __ "grow up a callus..." __ "culture an individual plantlet for you..." __ "use enzymes to break down the cell walls..."
The monomers of DNA, called ________, are composed of ________
a. amino acids / carbon, hydrogen, oxygen, and nitrogen b. monosaccharides / carbon, hydrogen, and oxygen c. nucleosides / base and sugar d. nucleotides / base, sugar, and phosphate
Many plants propagate themselves when new shoots grow from a parent plant or pieces of it. This is known as:
a. self-fertilization b. sexual reproduction c. asexual reproduction d. genetic recombination e. diploid reproduction