Mendel inferred the genetic basis of ____, such as flower color in peas, by crossing plants with different phenotypes
a. adaptive traits
b. allele shuffling
c. allelic recombination
d. quantitative traits
e. qualitative traits
ANSWER: e
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The hormones that exercise control over urine concentration affect:
a. Bowman's capsule b. the proximal tubule c. the distal tubule d. the loop of Henle e. the urinary bladder
A calcium phosphate matrix is characteristic of ________, a specialized connective tissue
Fill in the blank(s) with correct word
Household ammonia, or ammonium hydroxide, is a mixture of ammonia (NH3 ) and water. What types of bonding interactions will occur between molecules of ammonia and water in a bottle of household ammonia?
A) polar covalent bonds between positively charged nitrogen atoms in ammonia and negatively charged oxygen atoms in water B) polar covalent bonds between negatively charged nitrogen atoms in ammonia and positively charged hydrogen atoms in water C) hydrogen bonds between positively charged nitrogen atoms in ammonia and negatively charged oxygen atoms in water D) hydrogen bonds between negatively charged nitrogen atoms in ammonia and positively charged hydrogen atoms in water
Caulobacter are different from most bacteria in that they
A) are gram-negative. B) are gram-positive. C) have stalks. D) lack cell walls. E) are motile.