BioChemistry > QUESTIONS & ANSWERS > 100 Biochemistry Exam 1 Questions with correct answers (All)

100 Biochemistry Exam 1 Questions with correct answers

Document Content and Description Below

100 Biochemistry Exam 1 Questions with correct answers Which of the following is found in RNA but not DNA A) Uracil B) Guanine C) Deoxyribose D) Phosphate E) Adenine >>>>Uracil Which of th... e following amino acids exhibits significant ultraviolet absorption above 250 nm? A) Alanine B) Tyrosine C) Methonine D) Glycine E) All of the above >>>>Tyrosine Collagen fibers have a high content of which amino acids? A) histidine, tyrosine, and proline B) proline, hydroxyproline, and tyrosine C) Alanine, phenalanine, and isoleucine D) Cysteine, Methionine, and Phenalenine E) Glycine, proline, and hydroxyproline >>>>glycine, proline and hydroxylproline At neutral pH (7) A) the carboxyl group exists as -COOH, and the amino group exists as -NH3+ B) the carboxyl group exists as -COO-, and the amino group exists as -NH3+ C) the carboxyl group exists as -COO-, and the amino group exists as -NH2- D) the carboxyl group exists as -COOH, and the amino group exists as -NH2- E) None of the above >>>>the carboxyl group exists as -COO-, and the amino group exists as -NH3+ The basic structural unit of collagen, tropocollagen, has the following structure: A) triple stranded extended helix B) Beta-pleated sheet C) Right handed alpha-helix D) Left handed alpha helix E) A mix of alpha helicies and beta pleated sheets >>>>triple stranded helix Which of the following amino acids has the largest tendency to destabilize alpha helicies? A) Arginine B) Proline C) Tyrosine D) Serine E) Histidine >>>>proline In a DNA double helix, the two DNA chains are held together by: A) Covalent bonds between the pair of bases B) Hydrogen bonds between the pair of bases C) Ionic bonds D) Osmotic Interactions E) None of the aboce >>>>Hydrogen Bonds In DNA, guanine pairs with A) Adenine B) Cytosine C) Thymine D) Guanine E) Uracil >>>>Cytosine Which of the following amino acids are neutral and polar at pH=7 A) Tyrosine B) Serine C) Asparagine D) Threonine E) All of the above >>>>all of the above The partial double bond character of the peptide bond: A) restricts rotation around the C-N bond B) Allows rotation around the C-N bond C) Restricts rotation around the Ca-C bond D) Restricts rotation around the Ca-N bond E) allows free rotation around C-N and C-C bonds >>>>restricts rotation around the C-N bond Which of the following amino acids has a sulfur atom A) lecuine, serine B) methionine, cysteine C) aparagine, glutamine D) arginine, lysine E) tyrosine, phenylalanine >>>>B) methionine, cysteine [Show More]

Last updated: 1 year ago

Preview 1 out of 15 pages

Add to cart

Instant download

document-preview

Buy this document to get the full access instantly

Instant Download Access after purchase

Add to cart

Instant download

Reviews( 0 )

$10.00

Add to cart

Instant download

Can't find what you want? Try our AI powered Search

OR

REQUEST DOCUMENT
149
0

Document information


Connected school, study & course


About the document


Uploaded On

Aug 11, 2022

Number of pages

15

Written in

Seller


seller-icon
Professor Lynne

Member since 3 years

339 Documents Sold


Additional information

This document has been written for:

Uploaded

Aug 11, 2022

Downloads

 0

Views

 149

Document Keyword Tags

More From Professor Lynne

View all Professor Lynne's documents »

$10.00
What is Browsegrades

In Browsegrades, a student can earn by offering help to other student. Students can help other students with materials by upploading their notes and earn money.

We are here to help

We're available through e-mail, Twitter, Facebook, and live chat.
 FAQ
 Questions? Leave a message!

Follow us on
 Twitter

Copyright © Browsegrades · High quality services·