For a species with a diploid number of 10 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes?
A) 5
B) 25
C) 32
D) 100
E) about 10,000
Ans: C) 32
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The disadvantage of batch fermentations, as opposed to continuous feed systems, is that
A. the end product is not as pure as the product made by the continuous feed process. B. new substrate must be added to the fermentor continuously for the fermentation to continue. C. there is a limit to the amount of product formed since all materials are added to the fermentor at the beginning. D. it is small scale production of a product.
Which of the following does not apply to the technique known as gel electrophoresis?
(A) The DNA is pulled to the positive end of the gel box (B) The agarose gel provides for a porous matrix (C) The buffer solution helps supply ions needed to conduct an electric current (D) The larger fragments move further down the gel than the smaller ones due to their heavier weight
The "gap" phases of the cell cycle are devoted to:
A) DNA replication. B) creating new nuclei. C) normal cell operations, growth, and preparation for cell division. D) moving chromosomes to their correct positions.
The ability for a hominin to walk upright is referred to as ________
Fill in the blank(s) with correct word