Your secondary immune response can produce 100 times more antibodies than your primary immune response

a. true
b. false


Answer: a. true

Biology & Microbiology

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A white blood cell engulfing a bacterial cell would be an example of which of the following?

a. phagocytosis b. pinocytosis c. receptor-mediated endocytosis d. exocytosis

Biology & Microbiology

Recently the focus of research in behavioral ecology has been on the contribution by behavior to an animal's reproductive success. What is this called? 

A. average number of mates B. fitness C. foraging efficiency D. longevity E. rate of growth to sexual maturity

Biology & Microbiology

Which of the following parts of angiosperms is

not a food source? a. roots. b. fruits. c. shoots. d. nectar. e. all of these are food sources

Biology & Microbiology

Which statement is false?

A) The ground tissue system of a leaf is called the mesophyll. B) Each vein in a leaf is composed of either xylem or phloem, but not both. C) The pith of a stem is often important in food storage. D) Tissues that are neither dermal nor vascular are known as the ground tissue system.

Biology & Microbiology