When doing SSU (small subunit ribosomal RNA) of a mixed population of microbes from an environmental sample, specific ________ are identified.
A. genotypes
B. phylotypes
C. phenotypes
D. unknown microbes
Answer: B
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The hormonal methods of birth control that are long-acting and not user-dependent include:
(Check all that are true) [A] Vaginal Ring [B] Progestogen-only pills [C] The "patch" [D] Birth control implants [E] Birth control injections [F] Combined oral contraceptives [G] Copper intrauterine devices
Producers and consumers cycle ________ among themselves, but require a constant input of ________
a. heat / calories b. nutrients / energy c. molecules / heat d. energy / nutrients
Consider a deep sea hydrothermal vent. Which of the following statements is incorrect?
A. The associated chemolithotrophs are primary producers. B. The vent is a habitat. C. Its biome is the deep marine biopshere. D. The vent hosts communities of chemolithotrophic bacteria.
Select the best response to the question
Thoroughly cleaning a patient's room after discharge helps limit the spread of disease by: A) common vehicle transmission. B) airborne transmission. C) indirect contact. D) direct contact.