Protozoan motility structures include
A) cilia.
B) flagella.
C) pseudopods.
D) cilia and pseudopods only.
E) cilia, flagella, and pseudopods.
E
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A purine or pyrimidine that is attached to a sugar, either ribose or deoxyribose, which is attached to one or more phosphate groups is called a ________.
A. nitrogenous base B. nucleic acid C. nucleoside D. nucleotide
Which disorder is correctly matched with the affected tissue?
a. Crohn's disease - thyroid b. Grave's disease - kidneys c. Diabetes mellitus type I - liver d. Rheumatoid arthritis - joints e. Dermatomyositis - gastrointestinal tract
A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____
a. diffusion b. endocytosis c. exocytosis d. osmosis e. facilitated diffusion
The citric acid cycle generates NADH and FADH2, which are then used in the process of oxidative phosphorylation to make ATP
If the citric acid cycle (which does not use oxygen) and oxidative phosphorylation are separate processes, as they are, then why is it that the citric acid cycle stops almost immediately when O2 is removed?