human sperm cells and egg cells are haploid each containing 23 chromosomes
What will be an ideal response?
Diploid
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What functions are accomplished by the primosome?
A. Tracking along DNA B. Tracking along DNA, separating double stranded DNA C. Tracking along DNA, separating double stranded DNA, synthesizing RNA primers D. Tracking along DNA, separating double stranded DNA, synthesizing RNA primers, adding nucleotides
The world’s oldest continuously standing tree is a giant sequoia
Indicate whether the statement is true or false.
Genes are found in the same order for large stretches of the X chromosome in the rat and mouse genomes, indicating
A. conservation of neoteny. B. conservation of synteny. C. occurrence of aneuploidy. D. formation of pseudogenes.
Oxygen is transported in blood most efficiently
A. by combining with hemoglobin. B. by being dissolved in the plasma. C. by chemical conversion to water. D. by combining with carbon dioxide to form bicarbonate ions. E. as a free oxygen ion or radical.