What is the main component in tissue growth and repair?

a. unsaturated fats
b. lipids
c. protein
d. carbohydrates


Answer: c. protein

Biology & Microbiology

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A pine tree is called a sporophyte because it

a. develops from a germinated spore. b. produces spores by meiosis. c. is haploid. d. undergoes fertilization. e. reproduces by both sexual and asexual means.

Biology & Microbiology

The unit structure of chromatin is the ____________________, which is made up of

____________________ types of ____________________ proteins complexed with DNA. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Tissue transplantation has been made possible by our ability to

A) competitively inhibit HLA molecules. B) alter the expression of the HLA molecules. C) inhibit the binding of helper T cells to the HLA. D) closely match HLA molecules between individuals. E) inhibit interleukin-5.

Biology & Microbiology

Why has it been so hard to come up with an accurate measure of Earth's carrying capacity for humans?

What will be an ideal response?

Biology & Microbiology