Lysozyme
a. is secreted by endocrine glands in the skin.
b. destroys the cell wall of invading bacteria.
c. is produced in the lymph nodes and actively
disables bacteria.
d. is a very effective defense against viruses.
e. is active within the circulatory system.
Answer: b
You might also like to view...
Nucleic acid sequencing methods are based on:
a. the ability of two nucleic acid strands that have complementary base sequences to bond specifically with each other and form a double-stranded molecule. b. detecting phenotypic traits not detectable by conventional strategies. c. the principles of complementary nucleic acid hybridization with those of nucleic acid replication. d. determining the exact nucleotide sequence of a gene or gene fragment obtained from an organism.
Beginning with the simplest level of structure, which order of organization of genetic material is CORRECT?
A. DNA, nucleotide, gene, genome, chromosome. B. nucleotide, DNA, gene, chromosome, genome. C. DNA, nucleotide, gene, chromosome, genome. D. nucleotide, DNA, gene, genome, chromosome. E. nucleotide, DNA, chromosome, gene, genome.
The biological basis of autism may be
A) exposure to Ebola viruses during pregnancy. B) formation of aberrant synapses. C) interference with the ability to form synapses during childhood that are a response to experience, impairing learning and memory. D) binding to nicotinic receptors in a way that destroys neurons in the hippocampus.
Entropy is a measure of an increase in
A) high-level energy. B) kinetic energy. C) potential energy. D) organization. E) randomness.