You have lost a lot of blood in an accident. In the emergency room the first thing the doctors will need to do is replace lost fluids. The fluids they give you should be:
A) hypertonic to your cells.
B) hypotonic to your cells.
C) isotonic to your cells.
D) either hypertonic or hypotonic to your cells.
E) either hypertonic or isotonic to your cells.
Answer: C
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A. Meissner's corpuscles B. Ruffini endings C. Merkel cells D. red corpuscles E. Pacinian corpuscles
The types of bonds found in nucleic acids are:
A. phosphodiester bonds. B. ionic bonds. C. peptide bonds. D. nonpolar covalent bonds.
You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the E. coli cells on light 14N medium for many generations and then transfer them to heavy 15N medium and allow them to grow for 2 additional generations (2 rounds of DNA replication). If the conservative model of DNA replication was correct, what is the expected distribution of DNA in the density gradient after two rounds of replication?
A. one band of light density and one band of intermediate density B. one band of intermediate density C. one band of heavy density D. one band of light density E. one band of light density and one band of heavy density
Which hormones produced by the adrenal gland might help to offset some of the symptoms of menopause?
What will be an ideal response?