LIFE102 Final Exam Review

Question 1

You have the gene for brown hair, but also have the gene for baldness. The brown hair gene is not expressed. This is:

Accepted Answer

Epistasis

Question 2

Which of the following molecules would have the most difficult time moving through a membrane?

Accepted Answer

Polar molecules

Question 3

Which theory stated that mitochondria and chloroplasts were once their own prokaryotic cells?

Accepted Answer

Endosymbiont Theory

Question 4

Gel Electrophoresis can be used to amplify DNA and RNA sequences.

Accepted Answer

False

Question 5

Which of the following do NOT cause cancer?

Accepted Answer

Tumor surpressor genes

Question 6

Replication of DNA occurs during the S phase of the cell cycle, before the cell enters mitosis or meiosis.

Accepted Answer

True

Question 7

Which of the following is true about the lytic cycle?

Accepted Answer

The virus uses host cell components to replicate

Question 8

ATP is released from catabolic reactions.

Accepted Answer

False

Question 9

Which of the following is false about the location of ribosomes?

Accepted Answer

found on rough ER in prokaryotes

Question 10

Viruses require a host cell to reproduce, but it has to be a specific type of host cell.

Accepted Answer

True

Question 11

Test crosses determine an organisms phenotype based on its genotype.

Accepted Answer

False

Question 12

Polygenic traits are when a single gene causes multiple phenotypic effects.

Accepted Answer

False

Question 13

What type of inheritance results in the blending of two alleles?

Accepted Answer

Incomplete dominance

Question 14

Proteins are embedded in the phospholipid bilayer, creating a mosaic of amphipathic molecules.

Accepted Answer

True

Question 15

Wavelengths of light that are absorbed are visible.

Accepted Answer

False

Question 16

If 13% of a DNA helix is composed of G nucleotides, what percentage of the helix is composed of A nucleotides?

Accepted Answer

37%

Question 17

Blood types A, B, AB and O are an example of:

Accepted Answer

Multiple alleles

Question 18

When rolling a six-sided die, what is the probability of getting a 1 OR a 3 OR a 6?

Accepted Answer

1/2

Question 19

When rolling a six-sided die THREE times, what is the probability of getting a 1 AND a 3 AND a 6?

Accepted Answer

1/216

Question 20

Carbon fixation is catalyzed by the enzyme RuBisCo during the light reactions.

Accepted Answer

False

Question 21

How do vaccines work?

Accepted Answer

They train our immune system to defend against a certain disease

Question 22

Loss of conformation and, therefore, loss of protein function occurs through the process of denaturation.

Accepted Answer

True

Question 23

Under normal conditions, carbon compounds vary in their:

Accepted Answer

Carbon skeleton, Side/functional groups

Question 24

In the eukaryotic chromosome, replication can occur simultaneously in several places in the genome.

Accepted Answer

True

Question 25

Molecules with the same atomic composition but different physical structures:

Accepted Answer

Isomers

Question 26

Which TWO macromolecules have lots of electrons associated with hydrogen making them high-energy foods?

Accepted Answer

Carbohydrates, Fats

Question 27

Mitosis is used to grow and repair cells.

Accepted Answer

True

Question 28

ATP is used to power anabolic reactions.

Accepted Answer

True

LIFE102 Final Exam Review

Questions 28

LIFE102 Final Exam Review

Questions 28