Cell Energy Part 1

Question 1

Where does most of the energy used by life on earth come from?

Answer 1

Sunlight

Question 2

What is a food chain?

Answer 2

Simplified model that shows a single path for energy flow through an ecosystem

Question 3

What is a tropic level?

Answer 3

Each step in a food chain or food web

Question 4

What do the arrows represent in a food chain?

Answer 4

Flow of energy

Question 5

Autotrophs

Answer 5

Organisms that produce glucose (food) from inorganic or sunlight

Question 6

Autotrophs: examples and how they obtain their energy

Answer 6

Plants, some bacteria: inorganic molecules or sunlight

Question 7

Autotroph: location in a food chain

Answer 7

Producers (directly after the sun)

Question 8

Heterotrophs

Answer 8

Organisms that consume other organisms for their energy

Question 9

Heterotrophs: where do they get their energy from?

Answer 9

From the food ingest

Question 10

Heterotrophs: examples

Answer 10

Animals and fungi

Question 11

Heterotrophs: location and a food chain

Answer 11

All steps after the producers

Question 12

Metabolism

Answer 12

All of the chemical reactions that occur within an organism

Question 13

ATP

Answer 13

Adenosine Triphosphate.

Question 14

Structure of ATP

Answer 14

A nucleic acid composed of a single nucleotide; the nuclear tide is made up of ribosomes (sugar), adenine (base), and three phosphates

Question 15

What cellular process are fueled by ATP

Answer 15

All metabolism processes; active cell transport, cell division

Question 16

How does ATP release its energy?

Answer 16

By breaking a bond between two of the three phosphate molecules that form ATP