During replication, separation of DNA strands requires
a. hydrolysis and synthesis to occurs
b. nucleotides to join together
c. hydrogen bonds to unzip
d. backbones to split
Ans: c. hydrogen bonds to unzip
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The stapes is directly connected to the ____
a. cochlea b. oval window c. tympanic membrane d. round window e. auditory nerve
If meiosis did not precede fertilization, what would happen to the chromosome number after each generation?
A. It would be half of the parents’ chromosome number. B. It would be two times the parents’ chromosome number. C. It would be four times the parents’ chromosome number. D. It would be eight times the parents’ chromosome number. E. It would remain the same.
Lazzaro Spallanzani was the first scientist to provide evidence disproving the spontaneous generation of microorganisms
Indicate whether the statement is true or false
Staphylococcus and Streptococcus can be easily differentiated in a laboratory by which one of the following?
A) cell shape B) Gram stain reaction C) growth in high salt concentrations D) ability to cause disease E) glucose fermentation