The most abundant protein found in the extracellular matrix of animal cells is _____.

-collagen
-pectin
-cellulose
-hemoglobin


collagen

Biology & Microbiology

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Which of the following is not a basic need of the cell?

A) molecular building blocks B) 100% efficiency C) energy D) information E) chemical catalysts

Biology & Microbiology

Eukaryotic genes are almost always organized in groups, similar to operons in prokaryotes.

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

Biology & Microbiology

The frustule of diatoms is made of:

a. cellulose. b. calcium carbonate. c. silica. d. protein. e. starch.

Biology & Microbiology

Mutations in genes that affect __________ may

cause morphological shifts in a lineage. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology