Graded Quiz Unit 3 2020, questions and answers PDF

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Graded Quiz Unit 3...

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BIOL 1301 Introduction to Biology

Started on State Completed on

Finished

Time taken Marks Grade Question 1

Which of the following is characteristic of plant but not animal cells?

Correct Mark 1.00 out of 1.00

Select one: a. chloroplasts b. water vacuole c. cell wall d. all of the above

The correct answer is: all of the above

Question 2

Molecules containing carbon are …

Correct Mark 1.00 out of 1.00

Select one: a. inorganic b. organic c. polytechnic d. all of the above

The correct answer is: organic

Question 3 Correct Mark 1.00 out of 1.00

In which organelle does cellular digestion occur? Select one: a. lysosomes b. ribosomes c. endoplasmic reticulum d. nucleus

The correct answer is: lysosomes

Question 4

Which subatomic particle carries a positive charge?

Correct Mark 1.00 out of 1.00

Select one: a. protons b. neutrons c. electrons d. megatrons

The correct answer is: protons

Question 5

Which of the following is accurate concerning metabolic enzymes?

Correct Mark 1.00 out of 1.00

Select one: a. usually protein in nature b. lower the activation energy for a specific reaction c. change the nature of the products d. A and B but not C e. all of the above

The correct answer is: A and B but not C

Question 6 Correct Mark 1.00 out of 1.00

The hydrolysis of ATP … Select one: a. is endergonic b. is exergonic c. is anabolic d. none of the above

The correct answer is: is exergonic

Question 7

The first forms of life on Earth were ________.

Correct Mark 1.00 out of 1.00

Select one: a. plants b. microorganisms c. birds d. dinosaurs

The correct answer is: microorganisms

Question 8

The presence of membrane-bound organelles is characteristic of …

Correct Mark 1.00 out of 1.00

Select one: a. prokaryotes b. viruses c. bacteria d. eukaryotes

The correct answer is: eukaryotes

Graded Quiz Unit 3 Question 9 Correct

Which of the following levels of biological organization is the most inclusive?

Mark 1.00 out of 1.00

Select one: a. chemical b. cellular c. organism d. ecosystem

The correct answer is: ecosystem

Question 10

Which class of biological molecules are non-polar and thus

Correct

hydrophobic?

Mark 1.00 out of 1.00

Select one: a. proteins b. carbohydrates c. lipids d. nucleic acids

The correct answer is: lipids

Question 11 Correct

Glucose is broken down to 2 pyruvic acid molecules in glycolysis. Which of the following accurately describes this process?

Mark 1.00 out of 1.00

Select one: a. This is an anabolic process b. This is a catabolic process c. This is both anabolic and catabolic d. This is a metabolic process but is neither anabolic nor catabolic

The correct answer is: This is a catabolic process

Graded Quiz Unit 3 Question 12

Atoms that vary in the number of neutrons are …

Correct Mark 1.00 out of 1.00

Select one: a. ions b. isotopes c. neutral atoms d. protons

The correct answer is: isotopes

Question 13

Which type of reasoning is used in hypothesis testing?

Incorrect Mark 0.00 out of 1.00

Select one: a. inductive b. deductive c. reductive d. none of the above

The correct answer is: deductive

Question 14

What are the building blocks of proteins?

Correct Mark 1.00 out of 1.00

Select one: a. fatty acids b. amino acids c. nucleic acids d. all of the above

The correct answer is: amino acids

Graded Quiz Unit 3 Question 15

Which of the following organelles contain photosynthesis?

Correct Mark 1.00 out of 1.00

Select one: a. mitochondria b. chloroplasts c. stroma d. endoplasmic reticulum e. all of the above

The correct answer is: chloroplasts

Question 16

Consider an experiment in which blood pressure is measured in

Correct

subjects treated with an experimental drug. Which is the dependent

Mark 1.00 out of

variable?

1.00

Select one: a. Drug b. Placebo c. Blood pressure d. none of the above

The correct answer is: Blood pressure

Question 17 Correct

Which of the following form of science aims to observe, explore, and investigate?

Mark 1.00 out of 1.00

Select one: a. descriptive b. experimental c. hypothesis-driven d. none of the above

The correct answer is: descriptive

Graded Quiz Unit 3 Question 18

The process by which DNA is used as a template to make new DNA is …

Correct Mark 1.00 out of 1.00

Select one: a. translation b. replication c. transcription d. allocation

The correct answer is: replication

Question 19

What is the net gain of ATP for each molecule of glucose going through

Correct

glycolysis?

Mark 1.00 out of 1.00

Select one: a. one b. two c. three d. four

The correct answer is: two

Question 20

A suggested and testable explanation for an event is called a ________.

Correct Mark 1.00 out of 1.00

Select one: a. hypothesis b. independent variable c. dependent variable d. theory

The correct answer is: hypothesis

Graded Quiz Unit 3 Question 21

Chemical reactions occur at what level of the atom?

Correct Mark 1.00 out of 1.00

Select one: a. protons b. neutrons c. electrons d. positrons

The correct answer is: electrons

Question 22

Hydrogen binds to oxygen within" the water molecule via …

Incorrect Mark 0.00 out of 1.00

Select one: a. ionic bonds b. covalent bonds c. hydrogen bonds d. all of the above

The correct answer is: covalent bonds

Question 23

Which of the following is not accurate of water?

Correct Mark 1.00 out of 1.00

Select one: a. form hydrogen bonds between water molecules b. solid water is less dense than liquid water c. low specific heat compared with other solvents d. polar molecule

The correct answer is: low specific heat compared with other solvents

Graded Quiz Unit 3 Question 24

Glucose is …

Correct Mark 1.00 out of 1.00

Select one: a. a monosaccharide b. a simple sugar c. C6H12O6 d. all of the above

The correct answer is: all of the above

Question 25

Which of the following statements is false?

Correct Mark 1.00 out of 1.00

Select one: a. Tissues exist within organs which exist within organ systems b. Communities exist within populations which exist within ecosystems c. Organelles exist within cells which exist within tissues d. Communities exist within ecosystems which exist in the biosphere

The correct answer is: Communities exist within populations which exist within ecosystems

Question 26 Correct

Which of the following is hydrolyzed to provide kinetic energy for cellular work?

Mark 1.00 out of 1.00

Select one: a. ATP b. pyruvate c. glucose d. molecular oxygen

The correct answer is: ATP

Graded Quiz Unit 3 Question 27

Which of the following is a waste product of photosynthesis?

Correct Mark 1.00 out of 1.00

Select one: a. molecular oxygen b. glucose c. water d. carbon dioxide

The correct answer is: molecular oxygen

Question 28

What type of reaction involves the building of macromolecules from

Correct

building blocks?

Mark 1.00 out of 1.00

Select one: a. dehydration synthesis b. hydrolysis c. digestion d. all of the above

The correct answer is: dehydration synthesis

Question 29

Which cellular organelle contains the genetic material?

Correct Mark 1.00 out of 1.00

Select one: a. ER (endoplasmic reticulum) b. Golgi apparatus c. nucleus d. lysosome

The correct answer is: nucleus

Graded Quiz Unit 3 Question 30

Which type of lipid is amphipathic?

Correct Mark 1.00 out of 1.00

Select one: a. cholesterol b. triglycerides c. phospholipids d. steroids

The correct answer is: phospholipids...