Marine reptiles eliminate excess NaCl by means of _____________ located near the nose or the eye.
A. Malpighian tubules
B. antennal glands
C. salt glands
D. protonephridia
E. nephrons
C. salt glands
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In skeletal muscle, an action potential leads directly to ________
a. the binding of actin with myosin b. the detachment of troponin from actin c. flexure of the already bound myosin heads d. the release of calcium from the sarcoplasmic reticulum
These structures are required for chromosome replication; they protect the chromosome from being destroyed by dangerous DNAase enzymes, and they keep chromosomes from bonding to one another end to end.
A. telomeres B. nucleoproteins C. histones D. nucleotides
The process through which a human embryo develops into an adult is called metamorphosis
Indicate whether the statement is true or false
A scientist uses recombinant technology to take a eukaryotic promoter and place it in front of a bacterial structural gene. What is the most likely outcome on bacterial gene expression?
A. Bacterial gene expression will not occur because RNA polymerase enzymes between prokaryotes and eukaryotes are incompatible. B. Bacterial gene expression will increase because eukaryotic RNA polymerase has analogous function to prokaryotic RNA polymerase. C. Bacterial gene expression will increase because both prokaryotic and eukaryotic genes are based on the same four nucleotides. D. Bacterial gene expression will decrease because prokaryotic RNA polymerase can read the same sequences as eukaryotic RNA polymerase.