Neurospora is an ideal organism to study the effects of genetic mutations because of several reasons. What is one of
these?
a. Neurospora is a small mammal.
b. Neurospora grows as a diploid organism.
c. Neurospora requires a medium supplemented with only a few nutrients that it cannot manufacture on its own.
d. Neurospora mutant strains that cannot make a particular amino acid can still grow if that amino acid is added
to the growth medium.
e. Neurospora contains homologous chromosomes that are easily viewed with a light microscope
d
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Some members of the Domain Bacteria have
(a) a nucleus. (b) membrane-bound organelles. (c) chloroplasts. (d) photosynthetic ability.
If each of two bacteria have a %GC of 50%, this means that they are both definitely closely related
Indicate whether this statement is true or false.
You’ve been diagnosed with anemia, a disorder characterized by a shortage of red blood cells. The doctor prescribes iron pills to help with your condition. Why?
a. Since the shortage could be caused by an unclotted bleed, the iron will aid in production of platelets which help with clotting. b. The red blood cell deficiency could be due to an active infection and iron helps white blood cells produce antibodies against certain antigens. c. Often anemia is a product of iron-deficiency which results in slower production of hemoglobin which is needed to produce red blood cells. d. This deficiency is likely due to heavy menstruation and iron will alleviate cramps and shorten the duration of the menstrual period.
The helical shape of a protein forms at the ____________ level of protein structure. Fill in the blank(s) with the appropriate word(s)