This bacterium's ability to survive in a human who is taking penicillin pills may be due to the presence of which of the following?

1. penicillin-resistance genes
2. a gram-positive cell wall
3. a gram-negative cell wall
4. an endospore


Answer:
3. a gram-negative cell wall
4. an endospore

Biology & Microbiology

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A male is heterozygous for the trait that produces freckles on the skin, and he has freckles. If he marries a woman who is also heterozygous for freckles, ______ percent of their children are predicted to be freckled. Also, of all their children, ______ percent are predicted to be heterozygous. rev:

A. 100%, 100% B. 75%, 50% C. 75%, 25% D. 50%, 50% E. 100%, 75%

Biology & Microbiology

As many as one-third of all pregnancies end in miscarriage

Indicate whether the statement is true or false

Biology & Microbiology

Appraise and evaluate the following statement, and cite evidence from the chapter as appropriate: Despite having a closer "outward" appearance to plants in some ways, evidence support fungi as being far more closely related to animals than plants

What will be an ideal response?

Biology & Microbiology

In which phase of the cell cycle do cells check to determine whether the DNA is fully and correctly replicated?

(a) at the transition between G1 and S (b) when cells enter G0 (c) during M (d) at the end of G2

Biology & Microbiology