Boris has many tattoos and has recently started having a yellowish tinge to his skin. What should he be tested for before he donates blood?

A) HIV
B) cirrhosis
C) hepatitis
D) Helicobacter pylori


C

Biology & Microbiology

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Health officials measure ____ to evaluate if disease agents are present

a. byssal thread density b. changes in species composition c. coliform bacteria d. the oyster index e. water density

Biology & Microbiology

During the stage called ________ in a myogram, calcium is transported into the sarcoplasmic reticulum

Fill in the blank(s) with correct word

Biology & Microbiology

If the base in a DNA strand is changed from cytosine to adenine, the base pair in mRNA is 

A. uracil. B. cytosine. C. thymine. D. guanine.

Biology & Microbiology

What is the primary energy-storage molecule in plants?

A) Chlorophyll B) Cellulose C) Cholesterol D) Protein E) Starch

Biology & Microbiology