Which of these muscle components is the smallest?

A) Muscle fiber B) Myofibril C) Myosin filament D) Skeletal muscle


C

Biology & Microbiology

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You are working in a clinical laboratory in a hospital setting. You're handed a throat swab from a patient. You are told specifically that the physician is only interested in the presence and type of Gram positive cells

Identification isn't the main goal here-just a first step to work towards determining what Gram positive cells might be there.What might you do first to go about working towards this goal? A. Perform a Gram stain. B. Streak the sample for isolation on a tryptic soy agar general purpose medium plate. C. Streak the sample for isolation on a medium that is selective for Gram positive cells while suppressing Gram negative cell growth. D. Grow the microbes on the swab by inoculating a tryptic soy broth liquid medium tube. E. Perform an acid-fast stain.

Biology & Microbiology

When a diploid plant produces diploid gametes due to nondisjunction during meiosis, what occurs?

A. An increase in the number of chromosomes above the parent species occurs. B. Autoploidy is occurring. C. A triploid or tetraploid plant may occur. D. All of the answer choices are true.

Biology & Microbiology

Which of the following is NOT true about the cohesion-tension model of water transport?

Select one: a. Water must completely fill the pipeline. b. Water molecules attract one another. c. Transpiration exerts a tension as water evaporates from leaves. d. Water is transported in the phloem. e. Water must be attracted to the sides of the xylem.

Biology & Microbiology

Name two types of protein modification that can occur in the ER but not in the cytosol

What will be an ideal response?

Biology & Microbiology