Questions
The drug, cannabis, which is produced by the marijuana plant, is a byproduct of which reaction?...

The drug, cannabis, which is produced by the marijuana plant, is a byproduct of which reaction?

a. Dark reaction

b. Light reaction

c. Oxidative phosphorylation of plants

d. Glycolysis in plants

In: Biology

What process results in the removal of the glucosyl residue from the nonreducing end of the...

What process results in the removal of the glucosyl residue from the nonreducing end of the glycogen molecule by the addition of orthophosphate?

Group of answer choices

- phosphorolysis

- glycolysis

- dephosphorylation

- hydrolysis

- phosphorylation

In: Biology

Why does the mitochondria produce more ATP than glycolysis for each molecule of glucose broken down?...

Why does the mitochondria produce more ATP than glycolysis for each molecule of glucose broken down?

What charges the electrons in the photosystems (the source and the conduit that moves it into the electrons)

In: Biology

What is a catalyst that uses RNA as a substrate? What do you call RNA with...

What is a catalyst that uses RNA as a substrate?

What do you call RNA with catalytic activity?

What is an enzyme that synthesizes RNA as part of the transcription process ?

What is an enzyme that catalyzes the association between the large and small ribosomal subunits?

In: Biology

Sulfanilamide that resembles substrate of an enzyme inhibits the enzyme when added to the reaction mix....

Sulfanilamide that resembles substrate of an enzyme inhibits the enzyme when added to the reaction mix. What type of inhibition is this

A) allosteric inhibition

B) competitive inhibition

C) excitatory allosteric control

D) noncompetitive inhibition

E) feedback inhibition

In: Biology

The RY13 strain of the bacteria E. coli makes the restriction enzyme EcoR I, which cuts...

The RY13 strain of the bacteria E. coli makes the restriction enzyme EcoR I, which cuts at the sequence GAATTC. this occurs thousands of time in a full chromosome. Why doesn’t the enzyme cut the chromosome into tiny bits, killing the bacterium?

In: Biology

1. When an enzyme runs a chemical reaction, what happens to the enzyme at the end...

1. When an enzyme runs a chemical reaction, what happens to the enzyme at the end of the reaction?
a) it is unchanged, and can run another reaction

b) it is weakened, and is slower the next time

c) it becomes part of the product, and is used up

d) it is permanently damaged, or destroyed



2. When an enzyme accelerates a reaction rate, what does the enzyme do, thermodynamically (energy-wise)?

a)lowers the activation energy for the reaction

b) allows endothermic reactions to go by making them exothermic

c) releases exothermic energy from the reactants

d) generates energy to run the reaction


3. Enzymes have what relationship with their reactants?
a)specific for general type of reaction

b)enzymes can run varied reactions in the cell

c)highly specific for just one reaction

d)can bind several reactants to do similar reactions


4. When you allosterically inhibit an enzyme,

a)you decrease the V max

b)you decrease the Km

c)you increase the V max

d)you increase the Km



In: Biology

compare and contrast photosystems 1 and 2 how many molecules of ATP does a cell ultimately...

compare and contrast photosystems 1 and 2

how many molecules of ATP does a cell ultimately gain when 4 molecules of glucose are broken down via glycolysis. explain.

In: Biology

Q1. Why is PFK important in the glycolysis pathway? What does it do within it's rate-limiting...

Q1. Why is PFK important in the glycolysis pathway? What does it do within it's rate-limiting step? Think about the Committed, rate-limiting and reversible steps in this pathway.

In: Biology

CELLULAR RESPIRATION 1- Steps of Cellular Respiration: Anaerobic vs. Aerobic a. Glycolysis b. Citric acid cycle...

CELLULAR RESPIRATION

1- Steps of Cellular Respiration: Anaerobic vs. Aerobic

a. Glycolysis

b. Citric acid cycle

c. Electron transport chain (ETC)

2- Carbohydrate storage.

In: Anatomy and Physiology