Match the following items to the correct phrase.
_______1. Gram-positive cocci in clusters.
_______2. Gram-positive diplococci.
_______3. Gram-negative diplococci.
_______4. Gram-positive cocci in chains.
a. Most Streptococcus spp.
b. Staphylococcus spp.
c. Neisseria spp.
d. Streptococcus pneumoniae
1. b. Staphylococcus spp.
2. d. Streptococcus pneumoniae
3. c. Neisseria spp.
4. a. Most Streptococcus spp.
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When we say that DNA replication is semiconservative, we mean that:
A. only half of an organism's DNA is replicated during each cell division. B. when DNA is replicated, each new double helix contains one parental strand and one newly synthesized daughter strand. C. when DNA is replicated, one double helix contains both parental strands and one contains two newly synthesized daughter strands. D. parental DNA stays in the parent cell and daughter DNA ends up in the daughter cell. E. None of the answer options are correct.
The process by which organisms maintain a stable internal environment in the face of a fluctuating external environment is called
A. metabolism. B. cellular respiration. C. growth and development. D. homeostasis. E. functional proteomics and genomics.
Most fungi secure their nutrients from dead organic matter and are therefore called ________.
Fill in the blank(s) with the appropriate word(s).
For an individual with the XXY chromosomal composition, the expected number of Barr bodies in interphase cells is ________
A) variable B) zero C) one D) two E) three