Questions
Explain why the enzyme carbonyl phosphate synthetase can be considered the most important enzyme in the...

Explain why the enzyme carbonyl phosphate synthetase can be considered the most important enzyme in the to the urea cycle?

In: Biology

Hurry please!! For the following allosteric regulators of CAC: Predict whether the cell has abundant energy...

Hurry please!!

For the following allosteric regulators of CAC:

  • Predict whether the cell has abundant energy or needs energy
  • State which enzyme (s) are affected and why this enzyme
  • state whether the enzyme is activated or inhibited
    • high concentrations of NADH
    • High concentrations of CA2+
    • high concentrations of succinyl-CoA

In: Biology

An enzyme with a Vmax of 100 umol/minute and a Km of 10 uM was reacted...

An enzyme with a Vmax of 100 umol/minute and a Km of 10 uM was reacted with a irreversible active site specific inhibitor. After reaction with the inhibitor, the enzyme was assayed using a 2 mM concentration of substrate, and it gave a reaction rate of 20 umol/min. What percentage of the enzyme did the inhibitor inactivate?

In: Biology

Question 29 (1 point) Concerning enveloped viruses. the viral genome codes for all the proteins presnt...

Question 29 (1 point) Concerning enveloped viruses. the viral genome codes for all the proteins presnt the peplos. Question 29 options: A) True B) False

Question 30 (1 point) Retroviruses, such as HIV viruses, must carry (bring) a ________ enzyme in order to be able to replicate. . Question 30 options: A) DNA-dependent RNA plymerase (transcriptase) enzyme B) RNA-dependent RNA plymerase (transcriptase) enzyme C) RNA-dependent DNA plymerase (reverse transcriptase) enzyme D) DNA-dependent DNA plymerase (replicase) enzyme E) DNA-dependent RNA plymerase (transcriptase) enzyme

Question 31 (1 point) The influenza viruses posess segmented ssRNA, an envelope, and a helical nucleocapsid. Question 31 options: True False

Question 32 (1 point) The shape and size of a virus are a function of its nucleoproyein. Question 32 options: A) True B) False

In: Biology

Properties of Enzymes 1. The concentration of an enzyme within a cell is extremely low relative...

Properties of Enzymes

1. The concentration of an enzyme within a cell is extremely low relative to other material present, yet functions effectively in its metabolic role. How can an enzyme function and never seem to run out?

2.Name 4 factors which affect the activity of an enzyme.

3. A chemist found that a reaction did not take place under any set of conditions. If the chemist added a catalyst, would the reaction then occur? Explain your answer.

4.The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the “optimal temperature”. Why does this take place?

5.Why does saliva hydrolyze starch in the mouth but not in the stomach?

6.For a given enzyme-catalyzed reaction, on a molar basis, substrate concentration increases from two to four times the enzyme concentration (double). Would the rate of the reaction also double? Explain your answer.

In: Chemistry

Small areas that have a large number of endangered and threatened species are referred to as...

Small areas that have a large number of endangered and threatened species are referred to as ______.

Select one:

a. biodiverse environments

b. biologically magnified

c. endemic environments

d. biodiversity hot spots

2.

The primary goal of conservation biology is to ______.

Select one:

a. integrate human culture back into nature

b. maximize the land set aside for wildlife

c. counter the loss of biodiversity

d. catalog species

3.

Organisms that consume producers are ______.

Select one:

a. detritivores

b. producers

c. decomposers

d. primary consumers

4.

Most decomposers are _____.

Select one:

a. fungi and prokaryotes

b. animals

c. plants and fungi

d. bacteria and plants

5.

Plants can utilize the ______ form of nitrogen.

Select one:

a. N2

b. nitrate

c. thiol

d. amino

In: Biology

consider the conversion of glucose to lactate by glycolysis. Determine number of ATP, NADH, and FADH2...

consider the conversion of glucose to lactate by glycolysis. Determine number of ATP, NADH, and FADH2 produced by this rxn sequence.

In: Chemistry

in the process of glycolysis, formation of acetyl CoA, krebs cycle and fermentation without oxygen. How...

in the process of glycolysis, formation of acetyl CoA, krebs cycle and fermentation without oxygen. How is ATP created?

In: Biology

What is the efficiency of energy retention for glycolysis if cleavage of a typical carbon carbon...

What is the efficiency of energy retention for glycolysis if cleavage of a typical carbon carbon bond releases 339kJ/mol.  

In: Biology

Describe the steps involved in the ATP production in the electron transport system (Only ETS, not...

Describe the steps involved in the ATP production in the electron transport system (Only ETS, not glycolysis or Krebs Cycle)

In: Anatomy and Physiology