Which of the following statement is TRUE?
A. Endospores allow a cell to attach to surfaces within the host.
B. Endospores are extremely resistant structures that can survive high temperatures.
C. Endospores are used by bacteria for reproduction (binary fission).
D. One bacterial cell produces manyendospores.
Answer: B. Endospores are extremely resistant structures that can survive high temperatures.
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You are designing a fast assay system for detecting flu virus in patients. You hope to send these tests to clinics in far-flung regions of the globe so they can conduct surveillance on influenza epidemics. The kits will need to remain functional for several years. What type of antibody will you choose?
Two kinds of custom antibodies are available -- monoclonal or polyclonal. Polyclonal antibodies respond to a mixture of epitopes from the injected antigenic material; monoclonal antibodies are from a hybridoma strain created from a single B lymphocyte, and thus respond to a single specific epitope. A. polyclonal B. monoclonal
Which of the following statements is false?
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The bracket indicated by the letter "A" in the accompanying figure is ____
a. the epidermis b. a sweat gland c. the dermis d. the hypodermis e. a hair follicle
What is the process by which plants capture energy from the sun and store it in organic molecules?
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