BioChemistry > QUESTIONS & ANSWERS > Biochemistry Exam 1, 52 practice questions with correct answers (All)

Biochemistry Exam 1, 52 practice questions with correct answers

Document Content and Description Below

Biochemistry Exam 1, 52 practice questions with correct answers In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. >>>nucleoid A... major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus >>>the nucleus In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuclear envelope. C) nucleolus. D) nucleoplasm. E) nucleosome. >>>nuclear envelope The dimensions of living cells are limited, on the lower end by the minimum number of biomolecules necessary for function, and on the upper end by the rate of diffusion of solutes such as oxygen. Except for highly elongated cells, they usually have lengths and diameters in the range of: A) 0.1 µm to 10 µm. B) 0.3 µm to 30 µm. C) 0.3 µm to 100 µm. D) 1 µm to 100 µm. E) 1 µm to 300 µm >>>0.3 µm to 100 µm The bacterium E. coli requires simple organic molecules for growth and energy—it is therefore a: A) chemoautotroph. B) chemoheterotroph. C) lithotroph. D) photoautotroph. E) photoheterotroph >>>chemoheterotroph Which one of the following has the cellular components arranged in order of increasing size?A) Amino acid < protein < mitochondrion < ribosome B) Amino acid < protein < ribosome < mitochondrion C) Amino acid < ribosome < protein < mitochondrion D) Protein < amino acid < mitochondrion < ribosome E) Protein < ribosome < mitochondrion < amino acid >>>Amino acid < protein < ribosome < mitochondrion The three-dimensional structure of macromolecules is formed and maintained primarily through noncovalent interactions. Which one of the following is not considered a noncovalent interaction? A) carbon-carbon bonds B) hydrogen bonds C) hydrophobic interactions D) ionic interactions E) van der Waals interactions >>>carbon-carbon bonds Which one of the following is not among the four most abundant elements in living organisms? A) Carbon B) Hydrogen C) Nitrogen D) Oxygen E) Phosphorus >>>Phosphorus The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries? A) linear B) tetrahedral C) trigonal bipyramidal D) trigonal planar E) trigonal pyramidal >>>tetrahedral The macromolecules that serve in the storage and transmission of genetic information are: A) carbohydrates. B) lipids. C) membranes. D) nucleic acids. E) proteins >>>nucleic acids Stereoisomers that are nonsuperimposable mirror images of each other are known as: A) anomers. B) cis-trans isomers. C) diastereoisomers.D) enantiomers. E) geometric isomers >>>enantiomers The enzyme fumarase catalyzes the reversible hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of: A) biological activity. B) chiral activity. C) racemization. D) stereoisomerization. E) stereospecificity. >>>stereospecificity [Show More]

Last updated: 1 year ago

Preview 1 out of 10 pages

Reviews( 0 )

Recommended For You

 BioChemistry> QUESTIONS & ANSWERS > PART I BIOCHEM PRACTICE SET Questions With Correct Answers 2023 Graded A+ (All)

preview
PART I BIOCHEM PRACTICE SET Questions With Correct Answers 2023 Graded A+

What vitamin does not travel through the bloodstream in the form of a lipid micelle? *ANS* Vitamin C Which lipid has a 4-ring structure? *ANS* Sterol Which of the following situations is MOST likel...

By MollyBanks , Uploaded: Jul 25, 2023

$10

 ServSafe Food Safety Training Program (SERVSAFE)> QUESTIONS & ANSWERS > ServSafe Food Handler Examination Questions with correct Answers Latest Update Graded A+ (All)

preview
ServSafe Food Handler Examination Questions with correct Answers Latest Update Graded A+

1. It is important to cover food when storing it in order to a. seal in the flavor b. decrease discoloration c. prevent cross-contamination d. keep temperature consistent ✔✔c. prevent cross contam...

By StudyMasters Hub , Uploaded: Oct 13, 2023

$11

 ServSafe Food Safety Training Program (SERVSAFE)> QUESTIONS & ANSWERS > ServSafe Food Handler Guide, Chapter 5: Cleaning and Sanitizing Questions with Correct Answers Rated A+ (All)

preview
ServSafe Food Handler Guide, Chapter 5: Cleaning and Sanitizing Questions with Correct Answers Rated A+

cleaning ✔✔removes food and other dirt from a surface sanitizing ✔✔reduces pathogens on a surface to safe levels purpose of cleaning and sanitizing ✔✔prevent the spread of pathogens to food and cont...

By StudyMasters Hub , Uploaded: Oct 13, 2023

$13

 ServSafe Food Safety Training Program (SERVSAFE)> QUESTIONS & ANSWERS > ServSafe Food Handler Guide Questions with Correct Answers(2022/2023) Already Passed (All)

preview
ServSafe Food Handler Guide Questions with Correct Answers(2022/2023) Already Passed

Hazards for the Environment ✔✔Biological, chemical, and physical Biological hazards ✔✔bacteria, viruses, parasites, and fungi Chemical hazards ✔✔Cleaners, sanitizers, and polishes Physical hazards...

By StudyMasters Hub , Uploaded: Oct 13, 2023

$9

 ServSafe Food Safety Training Program (SERVSAFE)> QUESTIONS & ANSWERS > ServSafe Food Handler Practice test Questions with Correct Answers 2022/2023 Already Graded A (All)

preview
ServSafe Food Handler Practice test Questions with Correct Answers 2022/2023 Already Graded A

Why is food safety important? ✔✔- to prevent and stop foodborne illness and contaminants from getting food and creating outbreaks - no loss of sales or business - to maintain a good reputation f...

By StudyMasters Hub , Uploaded: Oct 13, 2023

$8

 Education> QUESTIONS & ANSWERS > ABCTE MSE Exam 2, 228 Questions with Correct Answers (All)

preview
ABCTE MSE Exam 2, 228 Questions with Correct Answers

ABCTE MSE Exam 2, 228 Questions with Correct Answers While counting pencils, a kindergartener occasionally fumbles with a pencil and her counting gets off. She is demonstrating an inability to do w...

By Professor Lynne , Uploaded: Aug 12, 2022

$11

 Social Sciences> QUESTIONS & ANSWERS > Florida Claims Adjuster Exam Questions with Correct Answers (All)

preview
Florida Claims Adjuster Exam Questions with Correct Answers

Florida Claims Adjuster Exam Questions with Correct Answers 1 / 36 1. Frank owned a home that was destroyed by a hurricane. Both ABC and XYZ Banks were listed as additional interests on his homeown...

By Alphascore , Uploaded: Nov 01, 2022

$9.5

 Medicine> QUESTIONS & ANSWERS > NASM CPT FINAL Exam Questions with Correct Answers (All)

preview
NASM CPT FINAL Exam Questions with Correct Answers

NASM CPT FINAL Exam Questions with Correct Answers Which hip muscle helps maintain a level pelvis in the frontal plane? -Answer- Gluteus medius Approximately what percentage of Americans aged 20...

By Excel , Uploaded: Sep 14, 2022

$13.5

 *NURSING> QUESTIONS & ANSWERS > New Hire Competency Exam Questions with Correct Solutions (All)

preview
New Hire Competency Exam Questions with Correct Solutions

New Hire Competency Exam Questions with Correct Solutions Latest update 2023/2024 GRADED A+ During the set up of the dialysis machine, a coworker states that the technician has contaminated the ext...

By simon pass , Uploaded: Jun 08, 2023

$16

 *NURSING> QUESTIONS & ANSWERS > TNCC 8th edition. Study Guide Questions with correct answers. Graded A+ (All)

preview
TNCC 8th edition. Study Guide Questions with correct answers. Graded A+

The major cause of preventable death after injury - ✔✔Uncontrolled hemorrhage The best measure of the adequacy of cellular perfusion and helps to predict the outcome of resuscitation - ✔✔Base defic...

By bundleHub Solution guider , Uploaded: Aug 15, 2022

$8.5

$9.00

Add to cart

Instant download

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

OR

GET ASSIGNMENT HELP
131
0

Document information


Connected school, study & course



About the document


Uploaded On

Aug 11, 2022

Number of pages

10

Written in

Seller


seller-icon
Professor Lynne

Member since 3 years

334 Documents Sold


Additional information

This document has been written for:

Uploaded

Aug 11, 2022

Downloads

 0

Views

 131

Document Keyword Tags

THE BEST STUDY GUIDES

Avoid resits and achieve higher grades with the best study guides, textbook notes, and class notes written by your fellow students

custom preview

Avoid examination resits

Your fellow students know the appropriate material to use to deliver high quality content. With this great service and assistance from fellow students, you can become well prepared and avoid having to resits exams.

custom preview

Get the best grades

Your fellow student knows the best materials to research on and use. This guarantee you the best grades in your examination. Your fellow students use high quality materials, textbooks and notes to ensure high quality

custom preview

Earn from your notes

Get paid by selling your notes and study materials to other students. Earn alot of cash and help other students in study by providing them with appropriate and high quality study materials.

WHAT STUDENTS SAY ABOUT US


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·