When determining whether a relative is a proper match for organ or tissue donation, three sets of HLA alleles -
inherited together - must match those from the intended recipient. These allele sets are known as _____.
a. open reading frames
b. splice sites
c. copy number variants
d. haplotypes
e. disease-associated mutations
d
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Catalase
(a) is an enzyme found in most cells, including liver. (b) catalyzes the production of hydrogen peroxide. (c) has as its substrate water and oxygen gas. (d) is a substance that encourages the growth of microorganisms.
Four of the five processes listed below cause stomata
to open. Select the exception. a. activity of abscisic acid b. potassium ions building up in guard cells c. water moving from epidermal cells to guard cells d. turgor pressure increasing in guard cells e. guard cells carrying on photosynthesis
Which type of plant tissue is specialized for conducting fluids?
a. dermal tissue b. meristem c. protoderm d. vascular tissue
After ingesting a pathogen, lysosomal enzymes produce all of the following EXCEPT
A) complement. B) O2-. C) H2O2. D) OH. E) HOCl.