When we examine the fossil record, we find that older fossils are in strata below younger fossils.

a. true
b. false


Ans: a. true

Biology & Microbiology

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The organisms that cause pneumococcal pneumonia are rarely found as a part of the normal flora of healthy adults

Indicate whether the statement is true or false.

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Four of the following statements about turtles are true. Which statement is false?

a. About 300 species of turtles currently exist. b. Turtles do not have teeth. c. Turtle shells are enlarged in marine forms. d. Turtles must return to land to lay eggs. e. Most sea turtle species are highly endangered.

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HIV cannot be transmitted sexually

a. true b. false

Biology & Microbiology

When the intracellular level of lactose drops, the repressor protein binds to the operator and shuts

down translation. __________________ Indicate whether the statement is true or false.

Biology & Microbiology