The hollow crater formed during gastrulation is known as
A. acrosome
B. archenteron
C. morula
D. cleavage furrow
E. trophoblast
B. archenteron
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Growing bacteria that degrade an environmental pollutant, which is also toxic to the cells at artificially high concentrations, might require ________ to obtain a sufficient population for biochemistry studies
A) a continuous batch culture B) a second growth substrate to keep the culture in exponential growth phase C) steady state growth kinetics D) the use of a chemostat
Human development ____
a. is complete at birth b. begins at puberty c. is complete at puberty d. occurs only during adult life e. begins at conception
What force is attributed to giving water molecules special properties?
a. Solvent b. Covalent bonding c. Polarity d. Hydrogen bonding
Suppose that your mother and father are both healthy but carry the allele for cystic fibrosis, which is caused by a recessive allele. What are the odds of you having at least one allele for the disorder?
a. 1 in 4 b. 1 in 2 c. 3 in 4 d. 1