Keystone Quiz 4

Question 1

What is a group of individuals of the same species living in a specific geographical area and reproducing?

Answer 1

Population

Question 2

What is a single-celled organism that lacks a membrane-bound nucleus and specialized organelles?

Answer 2

Prokaryote

Question 3

What is a type of gene recombination in which the DNA is intentionally broken and recombined in labs?

Answer 3

Recombination (Gene)

Question 4

What is a cellular structure made of RNA and proteins that is the site of protein synthesis in eukaryotic and prokaryotic cells?

Answer 4

Ribosome

Question 5

What is a trait, associated with a gene that is carried by either a male or female parent (ex: color blindness, sickle cell anemia)?

Answer 5

Sex-Linked Trait

Question 6

What is a proposed explanation in evolutionary biology stating that new species arise from the result of slight modifications over many generations?

Answer 6

Succession

Question 7

What is the movement of particles from an area of low concentration to an area of high concentration that uses energy provided by ATP or a difference in electrical charges across a cell membrane?

Answer 7

Active Transport

Question 8

What is a molecule that provides energy for cellular reactions and processes when a high energy bond is broken to create a phosphate group?

Answer 8

Adenosine Triphosphate

Question 9

What is a group of biomacromolecules that interact with biological systems an their environments?

Answer 9

Biological Macromolecule

Question 10

What are proteins that are embedded in the plasma membrane involved in the movement of ions, small molecules, and macromolecules into and out of the cells: also known as transport protein?

Answer 10

Carrier Proteins

Question 11

What is the series of events that takes place in a cell leading to its division and duplication?

Answer 11

Cell Cycle

Question 12

What is a process in which a cell, cell product, or organism is copied from its original source?

Answer 12

Cloning

Question 13

What is the process in which DNA makes a duplicate copy of itself?

Answer 13

DNA Cloning

Question 14

What occurs when individuals or groups of organisms compete for similar resources such as territory, mates, water and food in the same environment?

Answer 14

Competition

Question 15

What is the process in which the DNA molecule uncoils and separates into two strands where each original strand becomes a template on which a new strand is constructed, resulting in two DNA molecules identical to the original DNA molecule?

Answer 15

DNA Replication

Question 16

What is a species that is found in its originating location and is generally restricted to that geographic area?

Answer 16

Endemic Species

Question 17

What is the total surroundings of an organism or group of organisms?

Answer 17

Environment

Question 18

What is a term that typically describes a species that no longer has any known living individuals?

Answer 18

Extinction

Question 19

What is the permanent movement of genes into or out of a population resulting in a change in allele frequencies?

Answer 19

Genetic Drift

Question 20

What is the combination of components and processes that serve a common function?

Answer 20

Mechanism

Question 21

What is a two-phase nuclear division that results in the eventual production of gametes with half the normal number of chromosomes.?

Answer 21

Meiosis

Question 22

What is a change in allele frequency of a population as a result of chance events rather than natural selection?

Answer 22

Migration

Question 23

What is more than two forms of a gene controlling expression of a trait?

Answer 23

Multiple Alleles

Question 24

What is a species normally living outside a distribution range that has been introduced through either deliberate or accidental human activity?

Answer 24

Nonnative Species

Question 25

What is the measure of acidity or alkalinity of an aqueous solution scaling from 1(highly acidic) to 14(highly alkaline/basic) with a midpoint of 7(neutral)?

Answer 25

pH

Question 26

What is an organism that uses a primary energy source to conduct photosynthesis or chemosynthesis?

Answer 26

Producer

Question 27

What are any of several mechanisms in which ions or molecules are transported across a cellular membrane requiring the use of an energy source?

Answer 27

Pumps (Ion/Molecular)

Question 28

What is the transfer of a DNA fragment from one organism to a self-replicating genetic element?

Answer 28

Semiconservative Replication

Question 29

What is a term that describes an organism associated with a land environment?

Answer 29

Terrestrial

Question 30

What is the process of taking undifferentiated embryonic cells for use in medical research?

Answer 30

Theraputic Cloning

Question 31

What is the process in which the messenger RNA molecule on a ribosome is decoded to produce a sequence of amino acids for protein synthesis?

Answer 31

Translation

Question 32

What is the position of an organism in relation to the flow of energy and inorganic nutrients through an ecosystem?

Answer 32

Trophic Levels