19 Answered Questions for the topic Bio

Bio

10/10/19

As you go above and below the optimum pH and temperature the enzyme activity drops off.

Discuss the reason behind this phenomenon
Bio

04/14/19

Why is ATP an important molecule in metabolism?

a. Its terminal phosphate group contains a strong covalent bond that does not contain much chemical energy b. Its hydrolysis provides an input of free energy for exergonic reactionsc. It provides... more
Bio

04/14/19

The major function of fermentation in our muscle cells is

A. to reduce NAD+ to NADHb. to generate lactic acid, which is later converted into fatty acid, which is a form of stored chemical energyc. not really known, and in fact it is believed fermentation... more
Bio

04/14/19

What process below would speed up a reaction by lowering the activation energy?

A. Adding heatB. Adding a catalystC. Increasing the amounts of reactantsD. Increasing the entropyE. All of the above would speed up a reaction by lowering the activation energy
Bio

04/10/19

A codon is a group of three bases that specifies a particular amino acid. Which of the following enzymes can ‘read’ codons on an mRNA?

a.DNA polymeraseb.Ribosomec.Primased.RNA polymerase 
Bio

04/10/19

Where, on the mRNA coding for such a protein, would the ER signal sequence likely be located?

A. The signal sequence is not part of the mRNA and is added separately by an enzyme.B.Immediately before the stop codon.C. Anywhere in the mRNA.D.Immediately after the start codon.
Bio

03/19/19

What is the doubling time in minutes of a bacterial population that went from 100 to 100,000 cells in 5 hours?

A slant is inoculated with 100 E. Coli cells. The slant is left at room temperature where the generation time is 1 hour. How many E. Coli are in the slant in 6 hours? If the slant was initially put... more
Bio

03/11/19

How can dissolved materials be moved from the outside to the inside of a cell when the inside concentration of the material is higher than the outside concentration?

a. Molecules can be moved into a cell against their concentration gradient if that transport is coupled with osmotic transport of water into the cell.b. Substances can be moved against a... more
Bio

10/23/18

Electron Transport Chain

Oxygen is required in aerobic respiration to serve as the final electron acceptor at the end of the electron transport chain. If insufficient amounts of oxygen are present within the cell, how and... more
Bio

09/19/18

Which of the following genotypes represents an individual from a true-breeding line?

Which of the following genotypes represents an individual from a true-breeding line?
Bio

08/29/18

the sacral region is medial/lateral to the palmar region

the sacral region is medial/lateral to the palmar region
Bio

08/29/18

the patellar region is posterior/anterior to the dorsal region

the patellar region is posterior/anterior to the dorsal region
Bio

03/30/18

What lobe of the brain is impacted by the nail? What function of the brain may Mauro have damaged in this accident?

Football helmets cover the entire braincase and provide a lot of protection to the player's head. However, concussions are still very common in football. The brain is made of soft nervous tissue... more
Bio

09/28/17

How can you tell the difference from excessive bleeding caused by Vitamin K deficiency and thrombocytopenia?

How can you tell the difference from excessive bleeding caused by Vitamin K deficiency and thrombocytopenia?
Bio

09/05/17

Illustrate phospho-diester bond

Biology class 11 biomolecules
Bio

10/16/16

Disulfide bonds are most commonly apart of which protein structure?

a. Primary b. Secondary  c. Teritary d. Quaternary 
Bio

11/01/15

please assist

A new non-invasive screening test that is claimed to be able to identify patients with impaired glucose tolerance, based on a battery of questions related to health behaviors. As mentioned, the new... more
Bio

09/17/15

The atomic number is calculated by counting the number of

1. The atomic number is calculated by counting the number of
Bio

12/06/14

what is sickle cell aneamia

please let me know?

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