When they ferment glucose, members of the genus Streptococcus produce lactic acid, but no gas.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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Fannie Hesse is credited with giving ________ the idea to use agar as a solidifying agent

A) Louis Pasteur B) Ferdinand Cohn C) Robert Koch D) Sergei Winogradsky

Biology & Microbiology

You have a sequence of DNA with a site on which the restriction enzyme EcoRI will act. EcoRI recognizes the sequence below and cuts each strand at the locations indicated by the arrows

Below is your sequence of DNA. You cut it with EcoRI. What fragments are produced? 5'ATTCGCGGAATTCTGG3' 3'TAAGCGCCTTAAGACC5' A. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCCTTAA5' 3'GACC5' B. 5'ATTCGCGGAATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' C. 5'ATTCGCGG3' 5'AATTCTGG3' 3'TAAGCGCC5' 3'TTAAGACC5' D. 5'ATTCGCG3' 5'GAATTCTGG3' 3'TAAGCGCCTTAAG5' 3'ACC5' E. 5'ATTCGCGG3' 5'AATT3' 5'CTGG3' 3'TAAGCGCC5' 3'TTAA5' 3'GACC5'

Biology & Microbiology

Females are less likely to have an X-linked

recessive disorder than males because

a. there are fewer girls than boys in the general population. b. females have two X chromosomes thus the probability is lower. c. in males, the Y chromosome causes X genes to mutate. d. X-linked recessive disorders are lethal to female embryos. e. X chromosomes have protector genes that protect against mutations thus with two Xs, females have twice the protection as males.

Biology & Microbiology

________ occurs in the nucleus, where the DNA is located, whereas most ________ occurs in the cytoplasm.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology