What is decreased during the process of meiosis?
A) the size of chromosomes
B) the number of cells
C) the number of chromosomes
D) All of the above are true.
C
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The R-group, or side chain, of the amino acid serine is -CH2-OH. The R-group, or side chain, of the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find these amino acids in a globular protein in aqueous solution?
A) Serine would be in the interior, and leucine would be on the exterior of the globular protein. B) Leucine would be in the interior, and serine would be on the exterior of the globular protein. C) Serine and leucine would both be in the interior of the globular protein. D) Serine and leucine would both be on the exterior of the globular protein.
A student brings you an animal to identify. It has a cephalothorax and no antennae. You would place it
in subphylum:A. Crustacea. B. Myriapoda. C. Hexapoda. D. Chilicerata. E. Hirudinea
Why is an Rh factor conflict usually a problem only for the second child and subsequent children born to the Rh negative mother? When it is a problem for the first child?
What will be an ideal response?
The firefly (Photinus†granulatus) and the zebra mussel (Dreissena†polymorpha) are both members of the kingdom Animalia. This indicates that they must also both be members of the same
A. phylum B. genus C. species D. order E. domain