Unlike virtually all other eukaryotes, diplomonads lack mitochondria. Why aren't these organisms considered to represent a state most like the common ancestor to all other eukaryotes?

A. They have nonfunctional mitochondrial remnants.
B. They are phototrophic.
C. They do not use ATP to power their cells.
D. They have endosymbiotic relationships with other bacteria.


Answer: A

Biology & Microbiology

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Which of the following statements is false?

A. It is not possible to eradicate a disease. B. Global travel spreads pathogens more quickly than ever before. C. The evolution of drug-resistant pathogens is on the rise. D. Failure to follow treatment regimens drives the evolution of drug resistance. E. Scientists are engaged in an evolutionary arms race with disease-causing organisms.

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Leaf characteristics are useful indicators of the trade-offs plants make to combat environmental constraints

Indicate whether the statement is true or false

Biology & Microbiology

Describe the path a protein destined for secretion takes from synthesis to when it leaves the cell.

What will be an ideal response?

Biology & Microbiology

One meter is equal to how many centimeters (cm)?

a. 1/10 b. 100 c. 10 d. 1000

Biology & Microbiology