CAS BI 108 Lecture Notes - Lecture 8: Ribose, Cytochrome, Acetaldehyde

4 views16 pages

peanutgirl123

12 May 2023

School

Boston University

Department

Biology

Course

CAS BI 108

Professor

For unlimited access to Class Notes, a Class+ subscription is required.

Document Summary

Consensus sequence additionalprotein structure sequence amino acids in the same proteinfromdifferent species is usually very similar. Post translational modification aminoacidsarejoinedtogetherbytheribosome intopeptides in a process called translation. Serine this is not donebytheribosomes t o 1,01. Mys cha s s cha cys disulfidebondsform inproteins to enhancestructuralstability cysteine can also be a hydrophobic amino acid. Gibbsfree energy appropriateinbiologicalsystems defined as constant temperature 6 pressure. G gibbsfreeenergy constanttemp a pressure constentropy a volume sconstentopy d pressure. Ago when a system is equilibrium when doo e favorable downhill spontaneous freeenergyreleased. When ago t unfavorable uphill not spontaneous freeenergy consumed. Atv enthalpy heat energy sum of 20 bondenergies and all non covalent interactions. Aso favorable contributions to ag t less order favorable. R 1. 987 sat ok gasconstant k equilibrium substrates products kequilibrium products substrates y equilibrium constant. Ag i ag relate k to energy thermodynamics i do not relate to reaction rates kinetics. Catalysts do increase the rate of a reaction do not affect equilibrium.

Related Questions

Proteins can be regulated by removing phosphate groups that modify specific amino acids in their sequences. This removal activity is exerted by

	a.	Protein Phosphoproteases
	b.	Protein Phosphatases
	c.	Protein Kinases
	d.	Protein Phosphorylases

Proteolytic processing is a(n)

	a.	requirement for protein insertion into membranes
	b.	type of reversible post-translational modification
	c.	frequent consequence of heat denaturation
	d.	type of covalently-linked post-translational modification
	e.	irreversible post-translational modification

1 points

QUESTION 8

In a major protein degradation pathway in the cell, a short polypeptide called ___________ is attached to a protein to target it for destruction

	a.	Ubiquitin
	b.	Ubiquinone
	c.	Disulfide Isomerase
	d.	Signal Peptidase
	e.	Glutathione

olivepig242

Can someone please help me with the following questions.

Question 6

Proteins can be regulated by removing phosphate groups that modify specific amino acids in their sequences. This removal activity is exerted by

	a.	Protein Phosphorylases
	b.	Protein Phosphatases
	c.	Protein Kinases
	d.	Protein Phosphoproteases

Question 7

Proteolytic processing is a(n)

	a.	requirement for protein insertion into membranes
	b.	type of covalently-linked post-translational modification
	c.	irreversible post-translational modification
	d.	type of reversible post-translational modification
	e.	frequent consequence of heat denaturation

Question 8

Allosteric regulation involves

	a.	the binding of a protein to a regulatory subunit
	b.	the binding of a regulatory molecule to the active site on an enzyme
	c.	the binding of a regulatory molecule to a site on an enzyme that is distinct from the catalytic site
	d.	the binding of GTP to an enzyme to regulate its function
	e.	the binding of a Ubiquitin-like protein to an enzyme

Question 9

During N-linked glycosylation, a carbohydrate side chain is attached through a Nitrogen atom at the amino group of Serine or Threonine

True

False

Question 10

The signal sequence that targets proteins for insertion into the Endoplasmic Reticulum is rich in hydrophobic aminoacids and is most frequently located at the N-terminus of the protein

True

False

blushcamel925

Which of the following is true of the number of ATP/GTP required during translation?

A. Translation of a 9 Amino acid protein will require 9 ATP/GTP to initiate.

B. Translation of a 9 Amino acid protein will require 9 ATP/GTP to bring tRNAs with amino acids into the ribosome.

C. Translation of a 9 Amino acid protein will require 9 ATP/GTP to form peptide bonds.

D. Translation of a 9 Amino acid protein will require 9 ATP/GTP to translocate.

E. Translation of a 9 Amino acid protein will require 27 ATP/GTP total.

CAS BI 108 Lecture Notes - Lecture 8: Ribose, Cytochrome, Acetaldehyde

Document Summary

Get access

Related Documents

CAS BI 108 Chapter Notes - Chapter 3: Glucosamine, Amphiphile, Arginine

CAS BI 108 Study Guide - Midterm Guide: Phosphodiester Bond, Nitrogenous Base, Optical Microscope

CAS BI 108 Study Guide - Midterm Guide: Aminoacyl-Trna, Small Nuclear Rna, Transfer Rna

Related Questions