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Photo depicts Earth from space.
This NASA image is a composite of several satellite-based views of Earth. To make the whole-Earth image, NASA scientists combine observations of different parts of the planet. (credit: NASA/GSFC/NOAA/USGS)

Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.

Test PDF eBook: 
Bio 2
Download Biology #2 Test PDF eBook
48 Pages
2014
English US
Educational Materials



Sample Questions from the Bio 2 Test

Question: Which of the following processes make ATP in the cell?

Choices:

Glycolysis-

Krebs Cycle

ETC

all of the above

none of the above

Question: Which of the following are not matched up correctly

Choices:

Aerobic respiration- oxygen acts as the terminal electron acceptor in the ETC

Mitochondira- where all ATP is made

Glycolysis- has energy input and output steps

All of the Above

None of the above

Question: Which of the following correctly matches the process with the location

Choices:

Glycoysis-cytoplasm

ETC-cytoplasm

Krebs- mitochondria membrane

all of the above

none of the above

Question: Fermentation in Yeast cells results in alcohol

Choices:

True

False

Question: Glycolysis and the Krebs cycle can only take place in the presence of oxygen

Choices:

True

False

Question: pyruvate comes out of the Krebs cycle, is converted in to Acetyl CoA and enters the ETC

Choices:

true

false

Question: The law of thermodynamics indicate that

Choices:

Energy can neither be created or destroyed

Entropy is always increasing

energy is destroyed when heat is released

A and B

B and C

Question: an enzyme is

Choices:

a protein

lowers the energy of activation

can act as a biological catalyst

all of the above

none of the above

Question: where is most of ATP made

Choices:

cytoplasm

mitochondria

it is cell dependant

it depends if it is fermentation or aerobic respiration

Question: competitive (direct) inhibition

Choices:

Finds somewhere else on the protein and changes the shape of the active sote

blocks the active site

it doesn't exist

it is the only type of inhibition

Question: where does glycolysis occur?

Choices:

In the cytoplasm

In the mitochondria

In the nucleus

Any of the above, there is no specific location

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