ANM103 Terminology Review

Question 1

Main nitrogenous end product of the metabolic breakdown of proteins in all mammals (and some fishes)

Accepted Answer

Urea

Question 2

Three consecutive bases that specify an amino acid

Accepted Answer

Codon

Question 3

Two or more toxic or noxious species have evolved similar colouration to each other

Accepted Answer

Mullerian mimicry

Question 4

The ability to internally regulate body heat independently of the environment

Accepted Answer

Endothermy

Question 5

The science of classifying organisms by the use of reliable characteristics

Accepted Answer

Taxonomy

Question 6

A population's genetic variation will remain constant from one generation to the next in the absence of disturbances.

Accepted Answer

Hardy-Weinberg Principle

Question 7

A key phase in embryonic development when stem cells differentiate into the three germ layers

Accepted Answer

Gastrulation

Question 8

A system in which males develop from unfertilized eggs and females develop from fertilized eggs is called

Accepted Answer

Haplodiploidy

Question 9

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA)

Accepted Answer

Transcription

Question 10

A sharp reduction in the size of a population due to environmental events, leading to a loss in genetic variability

Accepted Answer

Genetic bottleneck

Question 11

Speciation that occurs over time as a result of a geographic barrier separating two populations

Accepted Answer

Allopatric speciation

Question 12

The process of helping another individual at a cost to oneself.

Accepted Answer

Altruism

Question 13

Asexual reproduction whereby the parent divides in to two genetically identical offspring

Accepted Answer

Fission

Question 14

Motor neurons carrying neural impulses away from the central nervous system and toward muscles to cause movement

Accepted Answer

Efferent neurons

Question 15

The mating system whereby a female mates with multiple males (somewhat synchronously)

Accepted Answer

Polyandry

Question 16

Y-shaped protein used by the immune system to identify and neutralize pathogens

Accepted Answer

Antibody

Question 17

An ecological relationship in which two species depend on each other and benefit from one another

Accepted Answer

Mutualism

Question 18

Phagocytosis is another word for:

Accepted Answer

Cell ingestion

Question 19

Occurs when a neuron sends information down an axon: the electrical activity that is created by a depolarizing current.

Accepted Answer

Action potential

Question 20

The separation of alleles for one gene (usually) occurs independently to any other gene. This concept is known as

Accepted Answer

Mendel's law of Independent Assortment

Questions 20