Chapter 8 and 12 Review

Question 0

During this phase of Interphase, the DNA duplication/replication takes place

Answer 0

Synthesis phase

Question 1

The narrow “waist” of the duplicated chromosome, where the two chromatids are most closely attached is called __________________

Answer 1

Centromere

Question 2

During this phase of Mitosis, the chromatin condenses to form chromosomes

Answer 2

Prophase

Question 3

During this phases of Mitosis two identical nuclei are formed around the identical sets of chromosomes

Answer 3

Telophase

Question 4

Binary fission happens in this type of organisms

Answer 4

Prokaryotic

Question 5

Cell plate formation and cleavage furrowing are examples of?

Answer 5

Cytokinesis

Question 6

Cell plate formation takes place in?

Answer 6

Plant cell

Question 7

Cleavage furrow takes place in?

Answer 7

Animal cell

Question 8

A complex of DNA and protein is called?

Answer 8

Chromatin

Question 9

Name the two steps of cell cycle

Answer 9

Interphase and Mitotic phase

Question 10

Development from a fertilized cell
Growth
Repair and maintenance

Answer 10

Key roles of cell division

Question 11

DNA molecules in a cell are packaged into?

Answer 11

Chromosomes

Question 12

These cells have two sets of chromosomes

Answer 12

Somatic (non reproductive) cells

Question 13

In this phase the chromosomes line up at the equator of the cell

Answer 13

Metaphase

Question 14

In this phase daughter chromosomes are pulled to opposite ends of the cell

Answer 14

Anaphase

Question 15

DNA is wrapped around which protein?

Answer 15

Histones

Question 16

Which phase of the cell cycle takes 90% of the entire time required for cell division?

Answer 16

Interphase

Question 17

What are the two laws of thermodynamics?

Answer 17

1. Energy in the universe is constant

2. Energy conversions increase the disorder

Question 18

What are the components of ATP a

Answer 18

Adenine, ribose, and three phosphate groups

Question 19

This is where enzyme interacts with its substrate

Answer 19

Active site

Question 20

A target molecule of an enzyme

Answer 20

Substrate

Question 21

Non protein helpers of enzymes

Answer 21

Cofactors (inorganic)

Coenzymes (organic)

Question 22

These inhibitors compete for enzyme’s active site and block substrates from entering active site

Answer 22

Competitive inhibitors

Question 23

These inhibitors bind at allosteric sites, change shape of the enzyme

Answer 23

Noncompetitive inhibitors

Question 24

Zn, Fe, or Cu are examples of

Answer 24

Cofactors

Question 25

Vitamins, organic molecules are examples of

Answer 25

Coenzymes

Question 26

Energy of motion

Answer 26

Kinetic energy

Question 27

Energy as a result of its location

Answer 27

Potential energy

Question 28

The capacity to do work?

Answer 28

Energy

Question 29

Reaction that releases energy

Answer 29

Exergonic reaction

Question 30

Cellular respiration is an example of?

Answer 30

Exergonic reaction

Question 31

Requires an input of energy and yields products rich in potential energy

Answer 31

Endergonic reaction

Question 32

Photosynthesis is an example of?

Answer 32

Endergonic reaction