Which of these muscle components is the smallest?
A) Muscle fiber B) Myofibril C) Myosin filament D) Skeletal muscle
C
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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.
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.
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.
Name two types of protein modification that can occur in the ER but not in the cytosol
What will be an ideal response?