The growth ring of a tree is actually composed of

a. epidermis.
b. parenchyma.
c. phloem.
d. xylem


D

Biology & Microbiology

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Enzymes act on _______ to generate ________

A. Products, catabolites B. Substrates, products C. Products, substrates D. Glucose, anabolites

Biology & Microbiology

Which city has a continental climate?

a. London b. San Francisco c. Rio De Janeiro d. Minneapolis e. Mumbai

Biology & Microbiology

Copper (Cu) is considered a micronutrient.

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

Biology & Microbiology

Resistance of sickle cell disease carriers to malaria illustrates

A) genetic drift. B) a population bottleneck. C) balanced polymorphism. D) a founder effect.

Biology & Microbiology