"All proteins are enzymes." True or false

Signal transduction pathways a. are necessary for signals to cross the membrane. b. include the intracellular events stimulated by an extracellular signal. c. include the extracellular events stimulated by an intracellular signal. d. are only found in cases where the signal can cross the membrane.

Enzymes are substrate specific. True or false?

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on

A. Determining evolutionary relatedness

B. bioremediation

C. DNA classification and nomenclature

D. determining if that species is the cause of a new disease

An organism with a temperature growth range of 45°C to 60°C would be called ___________.

A) A facultative psychrophile

B) A thermophile

C) An extremophile

D) Thermoduric

E) A psychrophile

Based on the suffix, a molecule of "maltose" is most likely what type of macromolecule?

Which type of mutation causes sickle cell anemia?

True or false: enzymes interact with many different substrates.

A fat is called _____ if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens.

The breaking of a large organic molecule into smaller individual subunits involves multiple _____.

The order or sequences of amino acids in the protein chain is called the

A. primary structure.
B. secondary structure.
C. tertiary structure.
D. polypeptide.

Carbohydrates are stored in the liver and skeletal muscles in the form of _____.
A) cholesterol
B) glycogen
C) glucose
D) triglycerides

The multidrug-resistant pumps in many bacterial cell membranes cause

a. bacterial chromosomal mutations

b. synthesis of enzymes that alter drug structure

c. removal of drugs from the cell

d. alteration of drug receptors on cell targets

e. All of these choices are correct

Which kingdom does not contain any eukaryotes?