Which of the following do viruses contain?

a. plasma membrane
b. internal organelles
c. genetic material
d. nucleus


c. genetic material

Biology & Microbiology

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How does the FoodExpert-ID identify macroorganisms and why is this significant?

What will be an ideal response?

Biology & Microbiology

Which type of cell acts an antigen-presenting cell?

a. neutrophils b. helper T cells c. cytotoxic T cells d. plasma cells e. dendritic cells

Biology & Microbiology

Surface of the skin, lining of the mouth, throat, rectum, anus, vagina

A. Pseudostratified columnar B. Simple columnar C. Simple cuboidal D. Simple squamous E. Stratified squamous F. Transitional

Biology & Microbiology

Exercise 28 covered the most probable number procedure and exercise 29 covered the membrane filtration method. Imagine you were given a water sample with a large amount of debris. Which method would you choose to test this water sample?

A) The most probable number procedure B) The membrane filtration method

Biology & Microbiology