semester review

Semester Review

Unit 1- Metric, characteristics of life, scientific methodUnit 2- ChemistryUnit 3- Organic ChemistryMicroscopesUnit 4- CellsUnit 5- Cell TransportUnit 6- PhotosynthesisUnit 7- Cellular RespirationUnit 49- Digestion

Which measurement is the largest?

1 2 3 4

25% 25%25%25%A. 0.54mB. 54mmC. 0.000054kmD. 5.4cm

What characteristic of life is the picture below?

A. B. C. D.

25% 25%25%25%

A. Transfer of EnergyB. Response to stimulusC. Cell D. Reproduction

The SI unit for measuring volume is a

A. B. C. D.

25% 25%25%25%A. meterB. gramC. LiterD. second

To be conducted properly, a scientific experiment should not have

A. B. C. D.

25% 25%25%25%A. more than one variable

B. accurate dataC. close observation

D. more than one control

One carbon atom contains 12 neutrons and another carbon atom contains 14 neutrons. The two atoms are

A. B. C. D.

25% 25%25%25%A. isotopes B. isomersC. compoundsD. ions

In a Ionic bond, electrons are

A. B. C. D. E. F.

17% 17% 17%17%17%17%A. TransferredB. GainedC. SharedD. LostE. Options A,B, and CF. Options A, B, and D

If an atom has an atomic number of 13 and atomic mass of 27.0, how many neutrons does

this atom have?

A. B. C. D. E.

20% 20% 20%20%20%A. 13B. 27C. 14D. 50 E. can’t be determined

How many molecules does 10 H2SO4 have?

A. B. C. D. E.

20% 20% 20%20%20%A. 1B. 2 C. 4D. 10E. 70

The chemical reaction that occurs as wood or coal is burned is

A. B. C. D.

25% 25%25%25%A. ExergonicB. Endergonic C. DissociationD. Covalent

Which of the following statements about enzyme’s is true?

A. B. C. D.

25% 25%25%25%A. require high amounts of heat for their operation

B. cannot be reusedC. are complex carbohydrate

molecules D. lower the activation energy

necessary for cellular reactions to occur

Which organic molecule creates oils, waxes, butter, and lard?

A. B. C. D. E.

20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above

Which organic molecule(s) contains carbon, hydrogen, & oxygen?

A. B. C. D. E.

20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above

Which organic molecule is made up of nucleotides?

A. B. C. D. E.

20% 20% 20%20%20%A. CarbohydratesB. ProteinsC. LipidsD. Nucleic AcidsE. All of the above

When forming a disaccharide, you must

A. B. C. D.

25% 25%25%25%A. combine two monosaccharides by adding water

B. combine two monosaccharides by removing water

C. combine two amino acids by adding water

D. combine a glycerol molecule with three fatty acid molecules

Which condition would cause an enzyme to denature?

A. B. C. D. E.

20% 20% 20%20%20%A. BufferB. Neutral environmentC. ATPD. HomeostasisE. High temperatures

Which organic compound shows fingernails turning violet in biuret solutions?

A. B. C. D. E. F.

17% 17% 17%17%17%17%A. MonosaccharideB. DisaccharideC. PolysaccharideD. ProteinE. LipidF. Nucleic Acid

What is the total magnification of low power on a microscope if the eyepiece is 15X, low power is

5X and high power is 10X?

A. B. C. D. E.

20% 20% 20%20%20%A. 5XB. 10XC. 50XD. 75XE. 150X

What part of the microscope is the arrow pointing at?

A. B. C. D.

25% 25%25%25%

A. StageB. Fine adjustmentC. ArmD. Coarse adjustment

Eukaryote cells have

A. B. C. D. E.

20% 20% 20%20%20%A. NucleusB. Cell MembraneC. Endoplasmic

ReticulumD. RibosomesE. All of the above

The centers of respiration in the cell are

A. B. C. D. E.

20% 20% 20%20%20%A. ChromosomesB. LysosomesC. RibosomesD. PlastidsE. Mitochondria

Diffusion is due to

A. B. C. D.

25% 25%25%25%A. addition of energy to a system

B. random molecular motion (Brownian movement)

C. changing environments in a cell

D. equilibrium concentrations inside cells

If a fresh water plant like Elodea were placed in a highly concentrated salt

solution, the cells would

A. B. C. D. E.

20% 20% 20%20%20%A. take in more waterB. show no changeC. increase turgor

pressureD. undergo cytolysisE. lose turgor pressure

Facilitated diffusion occurs when carrier molecules are used to move substances

A. B. C. D.

25% 25%25%25%A. across a cell membrane with a concentration gradient

B. through waterC. across a cell membrane

against a concentration gradient

D. through cell walls

Energy that is stored in ATP becomes available when

1 2 3 4

0% 0%0%0%

A. Phosphate #3 is added to the molecule

B. Phosphate #2 and #3 are both added to the molecule

C. Phosphate #3 is released with the help of an enzyme

D. Phosphate #2 is released with the help of an enzyme

What products from the light reaction are needed in the dark reactions?

1 2 3 4

0% 0%0%0%

A. ADP and NADPB. Glucose and OxygenC. Carbon Dioxide and ATPD. ATP and NADPH2

What type of reaction would Photosynthesis be classified as?

1 2 3 4

25% 25%25%25%

A. oxidationB. endergonicC. autotrophicD. exergonic

What are 2 reactants of photosynthesis?

1 2 3 4

0% 0%0%0%

A. Glucose and waterB. Glucose and carbon

dioxideC. Water and carbon

dioxideD. Water and oxygen

The energy for dark reactions comes directly from where?

1 2 3

0% 0%0%

A. PhotonsB. Products from the light

reactionsC. Electrons energized from

sunlight

What is the energy currency for cells?

1 2 3

0% 0%0%

A. GlucoseB. ADPC. ATP

Water is split during what reaction(s)?

1 2 3 4

0% 0%0%0%

A. Light ReactionsB. Dark ReactionsC. Both D. Neither

NADP+ accepts hydrogen during what reaction(s)?

1 2 3 4

0% 0%0%0%

A. Light ReactionsB. Dark ReactionsC. Both D. Neither

The leaves of a plant appear green because…

1 2

0%0%

A. They absorb green wavelengths of light and reflect others

B. They reflect green wavelengths of light and absorb others

Cell power comes from

A. B. C. D. E.

0% 0% 0%0%0%

A. a change of ADP to ATPB. EnzymesC. formation of RuBD. breaking of the chemical bond of ATP

and forming ADP E. breaking the ADP high energy bond

Chemical reaction in which energy is released in support of cell life is

A. B. C. D.

25% 25%25%25%A. PhotosynthesisB. ChemosynthesisC. OxidationD. Cell respiration

The compounds CO2 and H2O

A. B. C. D.

25% 25%25%25%A. The reactants in cellular

respirationB. The reactants in

photosynthesisC. Products in photosynthesisD. Products in fermentation

This accumulates in the muscles and causes fatigue, when oxygen is depleted

A. B. C. D.

25% 25%25%25%

A. CO2B. Lactic acidC. Pyruvic acidD. Glucose

What is the first step in cellular respiration?

A. B. C. D.

25% 25%25%25%A. Kreb cycleB. FermentationC. Electron transport chainD. Glycolysis

In aerobic respiration, what is the final electron acceptor

A. B. C. D.

25% 25%25%25%A. CO2B. NAD+C. oxygenD. FAD+

What step of aerobic respiration begins when acetyl CoA and oxaloacetic acid combine?

A. B. C. D.

25% 25%25%25%

A. FermentationB. GlycolysisC. Citric acid cycleD. Electron transport chain

In aerobic respiration, what is the NET amount of ATP produced

A. B. C. D.

25% 25%25%25%A. 34B. 36C. 38D. 40

In aerobic respiration, what is the total number of hydrogen's removed?

A. B. C. D.

25% 25%25%25%A. 8B. 16C. 24D. 36

In cellular respiration, what is the amount of activation energy needed?

A. B. C. D.

25% 25%25%25%A. 1 ATPB. 2ATPC. 3 ATPD. 4 ATP

What is the net amount of ATP produced in anaerobic respiration?

A. B. C. D.

25% 25%25%25%A. 40 ATPB. 38 ATPC. 36 ATPD. 2 ATP

In aerobic respiration, 4 ATP are produced in this stage

A. B. C. D.

25% 25%25%25%A. GlycolysisB. Forming acetyl CoAC. Kreb’s cycleD. Electron Transport Chain

Which of the following is an important molecule created by both lactic acid and alcoholic

fermentation?

A. B. C. D.

25% 25%25%25%A. ATPB. NADH2C. CO2D. NAD+

In the second step of aerobic respiration, pyruvic acid is converted into CO2, NADH2, and

…

A. B. C. D.

25% 25%25%25%

A. Citric acidB. Oxaloacetic acidC. Acetyl CoAD. Lactic acid

If oxygen is not present, what is the final H accepter?

1 2 3 4

25% 25%25%25%1.NADH2

2.Water3. pyruvic acid4.ATP

Where does the absorption of water take place in digestion?

A. B. C. D.

25% 25%25%25%A. StomachB. Small intestineC. PancreasD. Large intestine

What is the purpose of HCl acid in the stomach?

A. B. C. D.

25% 25%25%25%A. causes the pH level to be more basic

B. emulsifies fatsC. enzymatically

digests carbohydrates

D. causes the pH level to be more acidic

What is/are true statement(s) of villi?

A. B. C. D.

25% 25%25%25%A. are located in the large intestine

B. contain capillariesC. increase surface

area for absorption of food molecules

D. both B and C are correct

Food is moved through the digestive tract through a series of involuntary muscular

contractions called

A. B. C. D.

25% 25%25%25%

A. Mechanical digestionB. Chemical digestionC. PeristalsisD. Stimuli

Suppose a patient in a hospital had a damaged cardiac sphincter. How would the problem affect

the patient?

A. B. C. D.

25% 25%25%25%A. the appendix would not function properly

B. bile would not leave the gall bladder

C. saliva would not be secreted into the mouth

D. HCl acid would enter the esophagus and burn hole in it

Which of the following is a type of chemical digestion?

A. B. C. D.

25% 25%25%25%A. chewing foodB. tongue pushing food

to the esophagusC. churning of the

stomachD. action of pepsin on

proteins

What digestive organ is letter “A”?

A. B. C. D. E.

20% 20% 20%20%20%

A. AnusB. LiverC. EsophagusD. StomachE. Mouth

Which letter is where most of the chemical digestion and absorption occurs?

1 2 3 4 5 6

17% 17% 17%17%17%17%

A. B. C. D. E.F.

What digestive organ is letter “G”?

A. B. C. D. E.

20% 20% 20%20%20%

A. AnusB. LiverC. EsophagusD. Gall bladderE. Mouth

Fats are broken down by _________ in the _____________.

1 2 3 4

25% 25%25%25%A. lipase, stomachB. pepsin, stomach C. lipase, small

intestineD. pepsin, small

intestine

Where is pepsin formed?

A. B. C. D.

25% 25%25%25%A. mouthB. gastric glandC. small intestineD. large intestine

Small polypeptides are broken down by __?__ into __?__.

A. B. C. D.

25% 25%25%25%A. lipase, fatsB. maltase,

monosaccharidesC. peptidase, amino

acids.D. nucleases, nucleic

acids