If you identify a plant as Magnolia grandiflora, then you would also know that this plant is:
a. the nearest living relative of all angiosperms.
b. a core angiosperm.
c. a dicot.
d. a monocot.
e. a eudicot.
B
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The primary domains were founded based on comparative ribosomal RNA gene sequencing
Indicate whether the statement is true or false.
The principle behind salt or sugar preservation is to
A) introduce a mechanical barrier to microbial invasion. B) reduce water activity (aw). C) introduce a microbicide in anticipation of contaminating bacteria or fungi. D) accomplish all of the described functions depending on the food being preserved.
There are occasions when theoretical expectations do not match with actual outcomes, as you see in the case of zygote formation leading to genetic drift. This discrepancy is known as ________
A) sampling bias B) sampling error C) nonrandom mating D) random mutations
Which type of point mutation creates a stop codon in a gene?
A) Nonsense B) Frameshift C) Silent D) Missense E) None of these choices