The DNA in eukaryotic cells is packaged into structures called _______________
A.) plasma
B.) nucleoids
C.) plasmids
D.) chromosomes
Ans: D.) chromosomes
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Macronutrients are defined as those elements:
A. required in certain relative amounts in the plant B. usually needed, but not always available C. required in relatively large amounts D. only taken up through the soil E. such as nitrogen and calcium
In tobacco tissue culture, getting both roots and shoots to develop requires
a. an auxin-to-cytokinin ratio of 10:1. b. a higher concentration of cytokinin than auxin. c. an auxin-to-cytokinin ratio of slightly greater than 10:1. d. an intermediate auxin-to-cytokinin ratio. e. exactly equal amounts of auxin and cytokinin.
Identify human genetic defects or diseases that are inherited as:
A. an autosomal recessive. B. an autosomal dominant. C. an X-linked recessive. What will be an ideal response?
This bone does not articulate with any other bone in the body. Muscles of the neck and tongue attach to it.
What will be an ideal response?