The defensive mechanisms that target specific pathogens are called ____________ defenses. These responses involve the white blood cells called ____________ .

Fill in the blank(s) with the appropriate word(s).


Answer: Adaptive; Lymphocytes

Biology & Microbiology

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The green alga Botryococcus braunii is a candidate for production of biofuel due to its ability to produce

A) and withstand large amounts of alcohols. B) hydrogen gas. C) long-chain (C30â€"C36) hydrocarbons. D) short-chain (C8â€"C14) hydrocarbons.

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In skeletal muscle contraction, which of the following must be moved to the grooves in the actin

double helix to uncover the crossbridge binding site?

a. troponin b. Ca2+ c. tropomyosin d. ATP e. acetylcholine

Biology & Microbiology

Ribosomal subunits are measured in which units, which describe the speed of sedimentation of a substance during centrifugation?

What will be an ideal response?

Biology & Microbiology

Which of the following questions is most relevant to understanding the Calvin cycle?

A) How does chlorophyll capture light? B) How is ATP used in the formation of 3-carbon carbohydrates? C) How is NADP+ reduced to NADPH? D) How is ATP used in chemiosmosis?

Biology & Microbiology