Which of the following is NOT transported in phloem?

a. carbohydrates
b. hormones
c. amino acids
d. fatty acids
e. nitrate


E

Biology & Microbiology

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You have just discovered an organism that lives in extremely cold environments. Which of the following would you predict to be true about the phospholipids in its membranes, compared to phospholipids in the membranes of organisms

that live in warmer environments? A) The membrane phospholipids of cold-adapted organisms will have longer hydrocarbon tails. B) The membrane phospholipids of cold-adapted organisms will have more saturated hydrocarbon tails. C) The membrane phospholipids of cold-adapted organisms will have more unsaturated hydrocarbon tails.

Biology & Microbiology

Which of the following is not an example of the relationship between structure and function in proteins and nucleic acids?

A. Glycosylation of RNA can be important for cell-surface differentiation between "self" and "nonself." B. Methylation of DNA is important for accurate DNA replication. C. Modification of RNA bases can be important for biological activity. D. Modification of amino acids can be important for binding of proteins to other molecules. E. Phosphorylation of amino acids can be important for biological activity of proteins.

Biology & Microbiology

Which of the following are primarily cellular

sites for the recapture of energy from organic compounds?

a. Golgi bodies b. mitochondria c. lysosomes d. ribosomes e. endoplasmic reticulum

Biology & Microbiology

The kidneys interact with every other organ system of the human body in maintaining homeostasis.

Answer the following statement true (T) or false (F)

Biology & Microbiology