Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

44 MCQs in Final Exam - Principles of Biology | BIOL 150, Exams of Biology

Fayetteville State University (FSU)Biology
Prof. James E. Raynor

Material Type: Exam; Professor: Raynor; Class: Principles of Biology; Subject: Biology; University: Fayetteville State University; Term: Unknown 1989;

Typology: Exams

Pre 2010

Uploaded on 08/01/2009

koofers-user-f8h
koofers-user-f8h 🇺🇸

10 documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Principles of Biology (BIOL 150)
Final Lab Exam
Dr. James E. Raynor, Jr.
Place answers to multiple choice on a scantron.
1. A cell burst when placed in an unknown
solution? The solution was:
a. Hypertonic c. Hypotonic
b. Isotonic d. Hydrophilic
2. In reference to question #1, the solute was
greater:
a. In the cell
b. In the media
c. Equal in both the cell and media
d. None of the above
3. During the fermentation of glucose by yeast,
bubble containing ____ were released in the
media.
a. Nitrogen
b. Hydrogen
c. Oxygen
d. Carbon dioxide
4. The ability of the microscope to remain in
focus when objective lens are switched is
called ____ ?
a. Magnification
b. Resolution
c. High power
d. Parfocal
5. What is the total magnification of a
specimen viewed under high power?
a. 10x c. 40x
b. 100x d. 400x
6. Which part of the microscope moves the
lens up and down very quickly?
a. Fine adjustment
b. Course adjustment
c. Body tube
d. Base
7. Which number on the microscope diagram
houses the objective lens?
a. 1 b. 2. c. 3 d. 4
8. Which number on the microscope diagram
shows the ocular lens?
a. 1 b. 2. c. 3 d. 4
9. Which is NOT a characteristic of reducing
sugars?
a. They can add hydrogens to
oxidized substrates.
b. They can be oxidized by CuSO4
c. They contain free aldehyde and
hydroxyl groups.
d. They include monosaccharides
and some disaccharides
10. Which is the test for proteins?
a. Benedicts c. Sudan
b. Biuretts d. Iodine
11. The purpose of heating substrates in the
presence of CuSO4 is to:
a. Destabilize substrate bonds so
that -OH can be removed
b. Destabilize substrate bonds so
that -NH groups can be removed
c. Destabilize substrate bonds so
that hydrogens can be removed
d. Remove water from substrates
12. Starches can be detected biochemically due
to:
a. Their coiled structure
b. Their branched structures
c. Their linear structures
d. Their beta-pleated sheets
13. Elodea released bubbles in water when
exposed to light. These bubbles probably
contained:
a. Nitrogen
b. Hydrogen
c. Oxygen
d. Carbon dioxide
14. Fish released bubbles in water while
swimming. These bubbles contained:
a. Nitrogen
b. Hydrogen
c. Oxygen
d. Carbon dioxide
15. During respiration in animal muscles, which
waste product is formed?
a. Ethanol
b. Pyruvate
c. Lactate
d. Dihydroxacetone phosphate
pf3
pf4

Partial preview of the text

Download 44 MCQs in Final Exam - Principles of Biology | BIOL 150 and more Exams Biology in PDF only on Docsity!

Principles of Biology (BIOL 150) Final Lab Exam Dr. James E. Raynor, Jr. Place answers to multiple choice on a scantron.

  1. A cell burst when placed in an unknown solution? The solution was: a. Hypertonic c. Hypotonic b. Isotonic d. Hydrophilic
  2. In reference to question #1, the solute was greater: a. In the cell b. In the media c. Equal in both the cell and media d. None of the above
  3. During the fermentation of glucose by yeast, bubble containing ____ were released in the media. a. Nitrogen b. Hydrogen c. Oxygen d. Carbon dioxide
  4. The ability of the microscope to remain in focus when objective lens are switched is called ____? a. Magnification b. Resolution c. High power d. Parfocal
  5. What is the total magnification of a specimen viewed under high power? a. 10x c. 40x b. 100x d. 400x
  6. Which part of the microscope moves the lens up and down very quickly? a. Fine adjustment b. Course adjustment c. Body tube d. Base
  7. Which number on the microscope diagram houses the objective lens? a. 1 b. 2. c. 3 d. 4 8. Which number on the microscope diagram shows the ocular lens? a. 1 b. 2. c. 3 d. 4 9. Which is NOT a characteristic of reducing sugars? a. They can add hydrogens to oxidized substrates. b. They can be oxidized by CuSO 4 c. They contain free aldehyde and hydroxyl groups. d. They include monosaccharides and some disaccharides 10. Which is the test for proteins? a. Benedicts c. Sudan b. Biuretts d. Iodine 11. The purpose of heating substrates in the presence of CuSO 4 is to: a. Destabilize substrate bonds so that -OH can be removed b. Destabilize substrate bonds so that -NH groups can be removed c. Destabilize substrate bonds so that hydrogens can be removed d. Remove water from substrates 12. Starches can be detected biochemically due to: a. Their coiled structure b. Their branched structures c. Their linear structures d. Their beta-pleated sheets 13. Elodea released bubbles in water when exposed to light. These bubbles probably contained: a. Nitrogen b. Hydrogen c. Oxygen d. Carbon dioxide 14. Fish released bubbles in water while swimming. These bubbles contained: a. Nitrogen b. Hydrogen c. Oxygen d. Carbon dioxide 15. During respiration in animal muscles, which waste product is formed? a. Ethanol b. Pyruvate c. Lactate d. Dihydroxacetone phosphate
  1. During the ionization of NaOH, which is reduced? a. Na b. O c. H d. Na, H
  2. Proteins are detected biochemically due to: a. Their -NH 2 groups b. Their peptide bonds c. Their hydrogen bonds d. Their disulfide bonds
  3. The activity of turnip peroxidase was heated to 75oC probably because which enzyme structure was destroyed? a. Primary b. Tertiary c. Secondary, tertiary and Quaternary d. None of the above
  4. The activity of turnip peroxidase was diminished after increasing the pH is probably because which enzyme structure was destroyed? a. Primary c. Tertiary b. Secondary d. Quaternary e. All of the above
  5. Most enzymes require at least 37oC to become active. This heat is known as: a. Incubation temperature b. Deactivation temperature c. Free energy d. Activation energy
  6. Iodine test is used to identify: a. Lipids d. Reducing sugars b. Proteins e. Nucleic acids c. Starches
  7. Sudan III or IV most like identify biomolecules by forming which of the following? a. Ionic bonds b. Hydrophobic interactions c. Covalent bonds d. Hydrogen bonds e. Peptide bonds
  8. Benedicts detects which of the following biomolecules? a. Lipids c. reducing sugars b. Proteins d. Nucleic Acids e. Starches
  9. Light was shown on Elodea in a test tube containing carbon dioxide and water. Which of the following products will result in the tube? a. NaOH b. 0 2 c. CO 2 d. All of the above
  10. During respiration in animal muscles, which waste product is formed? a. Ethanol b. Pyruvate c. Lactate d. Dihydroxacetone phosphate
  11. A dialysis bag is filled with a 3% starch solution. The bag is immersed in a beaker of water containing a 1% IKI solution. all of the following observations are correct EXCEPT : a. When the bag is first placed in the beaker, the water potential inside the bag is negative. b. When the bag is first placed in the beaker, the solution in the beaker is yellow brown. c. The starch solution inside the bag is hypertonic relative to the solution in the beaker. d. After fifteen minutes, the solution in the bag turns blue. e. After fifteen minutes, the mass of the dialysis bag has decreased.
  12. Which of the following is LEAST likely to increase the forward rate of an enzyme- mediated reaction? a. An increase in the substrate concentration b. An increase in the enzyme concentration c. An increase in the product concentration d. An increase in pH e. An increase in the temperature
  13. In guinea pigs, the brown coat color allele (B) is dominant over red (b), and the solid color allele (S) is dominant over spotted (s). The F1 offspring of a cross between true- breeding brown, solid-color guinea peg and red, spotted pigs are crossed. What proportion of their offspring (FS) would be expected to be red and solid color? a. 1/ b. 1/ c. 3/ d. 9/ e. 3/
  14. When staining and viewing an onion epidermis under a microscope, which structure can not be observed: a. Plasma membrane c. Nucleus d. Cytoplasm d. Chloroplasts
  1. Name the graph. a. Linear c. Michaelis Menton b. Pie d. Lineweaver-Burke e. None of the above Graph the following information on the provided graph on the next page to show Vmax and Km. Then answer questions 41-44. You will be deducted 10 points if you DO NOT show your work on the provided graph (45-50). Enzyme Kinetics Time (s) Rxn #1 Rxn #2 Rxn # 2 3.5 1.8 1. 4 5.0 3.2 2. 6 7.3 4.4 2. 8 8.6 5.2 2. 10 10.0 6.0 2. 15 10.0 8.0 2. 20 10.0 10.0 2. Enzyme Graph Please plot standard

Principles of Biology

Lab Final Exam

Dr. James E. Raynor, Jr.

Name: Date: Calculation of Standard Curves (exercise #7) Show your calculations on the graph below (50-55). Then give the correct answer for the unknowns ( pts each). PROTEIN STANDARD CURVE GRAPH Sample OD. Reading (645 nm) Conc. (mg) Protein standard 0.2 10 0.4 20 0.6 30 0.8 40 Unknown protein A 0.55 _______ (5 pts) Unknown protein B _____ 17 mg (5 pts) Rxn Km Vmax Inhibitor Overcome Rxn # Rnx # Rxn #