Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

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


True

Biology & Microbiology

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Blood vessels that have thinner walls that are more likely to collapse when blood is withdrawn during a venipuncture are

a. Capillaries b. Veins c. Arteries d. Lymphatics

Biology & Microbiology

When processing a culture swab in the diagnostic laboratory the microbiologist should:

a. inoculate the media prior to making the direct smear. b. roll the swab back and forth on the slide making sure to transfer organisms. c. prepare the smear by rubbing the slide with one side of the swab and utilize the opposite slide to inoculate media. d. cancel the direct Gram stain and only set up the media. Request a second swab for the direct smear.

Biology & Microbiology

What enzyme links each tRNA molecule to the correct amino acid?

a. tRNA polymerase b. peptidyl transferase c. aminoacyl tRNA synthetase d. 7-methylguanosine

Biology & Microbiology

A drug that causes potassium to leak out of the neuron would:

A) cause the outside of the neuron to become more negative. B) make it harder to trigger action potentials in the neuron. C) cause the inside of the neuron to become more positive. D) make it easier to trigger action potentials in the neuron.

Biology & Microbiology