Test: Energy And Life

Question 1

Kinetic energy is released from ATP when

Accepted Answer

a chemical reaction breaks one of its phosphate bonds.

Answer

a phosphate group is added.

Answer

adenine bonds to ribose.

Answer

electrons are excited when ATP is exposed to sunlight.

Question 2

Which of the following is NOT a true statement about ATP?

Accepted Answer

Used ATP molecules are discarded (‘thrown away’) by the cell, never to be used again.

Answer

ATP provides the energy for cells to do what they do; without it nothing would be alive.

Answer

ATP consists of adenosine and a 3-phosphate ‘tail’.

Answer

ATP is ‘degraded’ (or reduced) to ADP when it releases its energy.

Question 3

The point of cellular respiration is to&hellip;

Accepted Answer

transfer chemical energy from food molecules to ATP

Answer

build chemical energy (such as glucose) from sunlight

Answer

help cells exchange gases with their surroundings

Answer

boggle the mind!

Question 4

The part of cellular respiration that needs oxygen takes place inside the . . .

Accepted Answer

mitochondrion

Answer

nucleus

Answer

cytoplasm

Answer

thylakoid

Question 5

Which of the following has the most kinetic energy?

Accepted Answer

A small rock rolling down a slope.

Answer

A small rock at rest at the top of a slope.

Answer

A small rock at rest at the bottom of a slope.

Answer

A boulder at rest at the top of a slope.

Question 6

Which process is best represented by the

	following chemical equation?
	 

	sugars + oxygen &rarr; &rarr; &rarr; &rarr;  carbon dioxide +water

Accepted Answer

cellular respiration

Answer

photosynthesis

Answer

glycolysis

Answer

fermentation

Question 7

Before cellular respiration, glucose must be broken down by the process of  . . .

Accepted Answer

glycolosis

Answer

photosynthesis

Answer

electron transport

Answer

fermentation

Question 8

Which of the following shows the MOST complete and reasonable pathway by which energy might travel to do the work of growing a new cell in the root tip of Mr. Lord's jade plant.

Accepted Answer

the sun, chloroplast, sugar, mitochondrion, ATP, work

Answer

mitochondrion, chloroplast, ATP, photosynthesis, work

Answer

the sun, chloroplast, ATP, work

Answer

the sun, chloroplast, sugar, ATP, work

Answer

chemosynthesis, photosynthesis, hydrolysis, dehydration synthesis

Question 9

Oxygen is so effective at &lsquo;burning&rsquo; objects (whether in a fire or in the body) made of C and H because. . .

Accepted Answer

it has a fairly large nucleus (compared to C and H) and acts as a strong electron ‘grabber’.

Answer

it has mass and takes up space.

Answer

it always has a pack of matches rolled up in its sleeves.

Answer

we breathe it into our lungs and from there it diffuses into our blood and into our cells.

Question 10

In which process is lactic acid formed when there is not enough oxygen for cellular respiration to take place?

Accepted Answer

fermentation

Answer

ATP synthase

Answer

photosystem I

Answer

light dependent reactions

Question 11

Which of the following best describes the form of energy that is stored in organic molecules (like glucose) by living thiings?

Accepted Answer

chemical

Answer

thermal

Answer

kinetic

Answer

ATP

Answer

high calorie

Question 12

A peanut is burned in a calorimeter (a real one--not our aluminum foil hack jobs).  The device contains 1,000 grams of water and it raises the temperature of that water by 6 degrees Celsius.  What was the energy content of the peanut in kilocalories?

Accepted Answer

6 kcal

Answer

1,000 kcal

Answer

0.006 kcal

Answer

166.6 kcal

Question 13

Which of the following is shown in the figure above

Accepted Answer

electron transport chain

Answer

glycolosis

Answer

Calvin cycle

Answer

Krebs cycle

Answer

fermentation

Question 14

Which of the following is NOT true about chemical energy?

Accepted Answer

It is a form of kinetic energy.

Answer

It is the form of energy stored in a molecule of ATP.

Answer

It is necessary for all life without exception.

Answer

It is present in a cheeseburger.

Answer

It is stored in the bonds that hold atoms together in molecules.

Answer

It is present in gasoline and firewood.

Answer

It can be released when covalent bonds are broken.

Question 15

Which of the following is a product of the Krebs cycle?

Accepted Answer

carbon dioxide

Answer

glucose

Answer

oxygen

Answer

lactic acid

Question 16

Which of the following is the most complete list of organisms that conduct cellular respiration?

Accepted Answer

animals, plants, fungi, most protists, many bacteria

Answer

all organisms

Answer

animals only

Answer

plants, some protists, and some bacteria

Answer

yeasts, some bacteria, and other unicellular organisms (but occasionally other creatures when they're in an environment without oxygen.

Question 17

Which of the following is a reactant of the process that will take place in the organelle pictured here?

Accepted Answer

carbon dioxide

Answer

oxygen

Answer

glucose

Answer

NADP

Test: Energy And Life

Kinetic energy is released from ATP when

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