When looking at a linear ascus of spores in Neurospora, you find the following octet: leu- leu- + + leu- leu- leu- +
This sequence of spores most likely arose as the result of
A) gene conversion.
B) mitosis.
C) meiosis I.
D) meiosis II.
E) mutation.
A) gene conversion.
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Which of the following is false concerning the atom
in the figure? a. The number of protons and the number of electrons are equal. b. It has an atomic mass of 4. c. Electrons are moving around the nucleus. d. It has an atomic number of 2. e. The number of electrons exceeds the number of protons.
The stability of a synovial joint is due largely to the presence of calcium salts
Indicate whether the statement is true or false
How is a bacterial chromosome replicated?
a. The linear DNA molecule is replicated from multiple origins of replication bidirectionally. b. The linear DNA molecule is replicated from one origin of replication bidirectionally. c. The circular DNA molecule is replicated from multiple origins of replication bidirectionally. d. The circular DNA molecule is replicated from one origin of replication bidirectionally. e. The circular DNA molecule is replicated from one origin of replication unidirectionally.
In bacterial ribosomes, a small 30S subunit and a large 50S subunit come together to produce the functional 70S ribosome. Why isn't it an 80S ribosome?
A) The ribosome will become an 80S complex when the protein it is producing starts to be formed. B) Additional factors are required for protein synthesis. When these are put with the ribosome, it will become an 80S ribosome complex. C) S stands for Svedberg units, which indicates the relative rate of sedimentation due to size, weight, and shape of a particle. The numbers aren't strictly additive. D) A portion of the larger 50S subunit is detached as the ribosomes come together,making the final complex a 70S ribosome instead of an 80S ribosome.