There are ____________________ autosomes present in a human sperm cell. Fill in the blank(s) with the appropriate word(s)

Eukaryotic proteins do not require a targeting signal if they are destined to function in the:

A. nucleus. B. lysosome. C. plasma membrane. D. cytoplasm.

Harmful amounts of ________ may be absorbed by the leaf cuticle as well as by carotenoids and flavonoids.

A. carbon dioxide B. blue and red light waves C. chlorophyll D. xanthophylls E. UV radiation

What are the three elements that are most often limiting factors for plant growth?

a. carbon, potassium, and magnesium b. carbon, oxygen, and nitrogen c. hydrogen, magnesium, and oxygen d. sulfur, calcium, and nitrogen e. nitrogen, phosphorus, and potassium

A vaccine additive which enhances the body's natural immune response is called a(n)

A) adjuvant. B) toxoid. C) attenuant. D) recombinant. E) booster.