What is a typical characteristic of bacterial chromosomes?
A) On average 5% of the genome encodes proteins.
B) It has telomeres.
C) It is linear.
D) On average a gene occurs once in every 1000 bp.
E) It is single-stranded DNA.
D) On average a gene occurs once in every 1000 bp.
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What is an average concentration of prokaryotic cells along the surface of pelagic water?
A) 104 cells/ml B) 106 cells/ml C) 108 cells/ml D) 1010 cells/ml
A series of enzymatic steps that fixes carbon dioxide into carbohydrate is called the ________.
A. Pentose phosphate pathway B. Entner-Doudoroff pathway C. Calvin-Benson cycle D. Embden-Meyerhoff pathway
Ionic bonds are important in biological structures. Which of the following pairs of molecules would form an ionic bond?
A) two water molecules B) two amino acids with oppositely charged functional groups C) two different stereoisomers of the same sugar D) two phospholipids E) a water molecule and a lipid
What part of the brain sorts incoming information into categories before relaying it to the cerebral cortex?
What will be an ideal response?