What is gross primary production?

A. The carbon fixed during photosynthesis.
B. The carbon fixed after cellular respiration is accounted for.
C. Energy released by primary consumers.
D. Photosynthetic production plus energy recycled by detritivores.


A. The carbon fixed during photosynthesis.

Biology & Microbiology

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The basic monomer of a protein that can be jointed by peptide bonds using dehydration synthesis reactions.

A) Polarity B) Compound C) Denaturation D) Monosaccharides E) Hydrogen bonds F) Element G) Triglycerides H) Amino acids I) Tertiary structure J) Active site

Biology & Microbiology

Matt is studying how the protein transferrin enters cells. He examines cells that have taken up transferrin, and finds clathrin-coated vesicles. What mechanism was used to take transferrin into the cell?  

A.  Phagocytosis B.  Pinocytosis C.  Exocytosis D.  Receptor-mediator endocytosis

Biology & Microbiology

A newly described bacterial species has been shown to use CO2 as its carbon source. Its energy source and its source of reducing power (electrons) are inorganic chemicals. Which term would best describe this nutritional type?

A. Chemolithoheterotroph B. Photolithoheterotroph C. Photoorganoheterotroph D. Chemolithoatotroph

Biology & Microbiology

Co-dominance

What will be an ideal response?

Biology & Microbiology