By controlling the concentration of nutrients added into a chemostat continuously, cells can constantly be maintained at
A) exponential growth phase.
B) stationary growth phase.
C) log or stationary growth phase.
D) death growth phase.
Answer: C
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A muscle type that provides voluntary movement and is composed of long, cylindrical cells with multiple nuclei and obvious striations
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
If you saw a vascular plant that was growing low to the ground with branching stems covered by small leaves in a helical pattern and that produced spores on leaves, you are most likely observing a(n):
A. fern. B. horsetail. C. gymnosperm. D. angiosperm. E. lycophyte.
Discuss how the therapy for PKU would be different if the disease was not caused by the essential amino acid phenylalanine, but rather by a non-essential amino acid. Would the disorder be potentially more or less life-threatening? Explain your reasoning
What will be an ideal response?
The activation of the SOS system in a bacterium infected with a prophage results in
A. destruction of the viral genes. B. complete lysis of the bacterial culture. C. mutation of the DNA. D. destruction of the viral repressor through host protease activity. E. complete lysis of the bacterial culture AND destruction of the viral repressor through host protease activity.