Bacteria with type IV pili
A) possess tubular or stalk-like extensions of their cells.
B) likely exhibit twitching motility.
C) have capsules that promote dehydration.
D) live in aquatic environments.
Answer: B
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Red algae
a. are primarily marine organisms. b. are thought to have developed from green algae. c. contain xanthophylls as their main accessory pigments. d. are actually brown. e. are all of these
where was African Jaw Tumor discovered?
What will be an ideal response?
Which of the following is an external stressor?
a. noise b. low blood sugar c. blood pressure d. salt concentrations e. pH
Biological literacy is the ability to:
A) use scientific-sounding language to promote consumer products. B) make assumptions about the world, based on the opinions of others. C) determine if one phenomenon caused another, just by making one or a few observations. D) apply the scientific method to evaluate non-quantifiable, subjective information. E) use the process of scientific inquiry to think creatively about real-world issues that have a biological component.