Question: Eukaryotic initiation factor eIF2B is a guanine nucleotide exchange factor. Explain why eIF2B would enhance the activity of eIF2.

Eukaryotic initiation factor eIF2B is a guanine nucleotide exchange factor. Explain why eIF2B would enhance the activity of eIF2.

Step by Step Solution

★★★★★

3.54 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

eIF2 is a G protein that delivers the initiator tR... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

930-M-S-B-C (1807).docx

120 KBs Word File

Students Have Also Explored These Related Biochemistry Questions!

Q:

For each of the following initiation factors, how would eukaryotic initiation of translation be affected if it were missing? A. eIF2 B. eIF4 C. eIF5

Q:

Signaling molecules interact with cells through specic macromolecular receptors. For each of the four receptors identied below, list all characteris-tics, by number, which accurately describe that...

Q:

Explain why enzyme activity varies with temperature, as shown here. 40 20 Temperature ("C)

Q:

Dormant mRNAs predeployed in oocytes are activated for translation by polyadenylation following fertilization, according to the scheme shown below. Cap, 7 - methyl G 5 ' cap on mRNA; CPE, Cytoplasmic...

Q:

A second - site mutation restored development of the oocytes at 3 7 oC . In which of the following elements in the oocyte could a second - site mutation restore embryogenesis at 3 7 oC ? You may...

Q:

Which of the following is/are true for prokaryotic and eukaryotic initiation of replication? (Select all that apply): Group of answer choices The replicator is a sequence of DNA that basically points...

Q:

All are true about eukaryotic initiation of protein synthesis EXCEPT: Group of answer choices A pre - initiation complex usually forms that includes several initiation factors, small ribosomal...

Q:

Translation initiation factor eIF 4 E can be used to infer evolutionary relationships between very divergent eukaryotic species, such as humans, yeast, Drosophila and wheat. a . Why does it make...

Q:

ranslation initiation factor eIF 4 E can be used to infer evolutionary relationships between very divergent eukaryotic species, such as humans, yeast, Drosophila and whea

Q:

Which is true regarding translation? SHOW CHARACTER HINT ATP and Initiation Factor Bring Complex Together GTP and Initiation Factor Bring Complex Together cAMP and Initiation Factor Bring Complex...

Q:

You will create a program to simulate an ATM banking machine. Your program will generate a random PIN code consisting of 4 digits, i.e. 3270, 0063, 0917, etc. It will also generate a random available...

Q:

Evaluate the indefinite integral - dr x - 1

Q:

Sally Monroe wants to create a fund today that will enable her to withdraw $ 3 1 , 6 0 0 per year for 8 years, with the first withdrawal to take place 5 years from today. If the fund earns 1 5 %...

Q:

A standard fluorescent tube has a life length that is normally distributed with a mean of 7000 hours and a standard deviation of 1000 hours. A competitor has developed a compact fluorescent lighting...

Q:

Why is the replication of DNA referred to as a semiconser-vative process? What is the experimental evidence for the semicon-servative nature of the process? What experimental results would you expect...

Q:

How can breakdown in DNA repair play a role in the development of human cancers?

Q:

How did Messelson and Weigle demonstrate recombination?

Q:

A firm currently has the following capital structure which it intends to maintain. Debt: $3,000,000 par value of 9% bonds outstanding with an annual before-tax yield to maturity of 7.67% on a new...

Q:

The common stock of Leaning Tower of Pita Inc., a restaurant chain, will generate payoffs to investors next year, which depend on the state of the economy, as follows: Dividend Stock Price Boom $8...

Q:

Quad Enterprises is considering a new three-year expansion project that requires an initial fixed asset investment of $2.58 million. The fixed asset falls into the three-year MACRS class. The project...