Test 1 Review
What is the study of tissues known as?
Histology
What type of bonding causes secondary structure to occur in proteins?
Hydrogen bonding
What type of genetic disorder is Huntington's disease?
Dominant
What initiates apoptosis if the DNA damage is irreparable?
P53 (a tumor suppressor protein)
The change of gene frequencies in a population over time is known as
Evolution
What is the nucleus enclosed by?
The nuclear envelope
Nucleotides are read in three groups called
Codons
What is true-breeding another word for?
Homozygous
All the cells of the body except the gametes and the precursors of the gametes are known as
Somatic cells
A group of interbreeding species in a geographic location is known as
A population
Where is calcium stored in the cell?
The smooth ER
What are the 2 conditions that can denature a protein?
Temperature
pH
What does ATP consist of?
3 phosphate groups
1 ribose
1 adenine
What refers to when a cell has the capability of generating any of the different cell types?
Totipotent
What is the type of natural selection where humans choose traits and breed organisms to get those
desired traits?
Artificial Selection
What is the outer coating of many prokaryotes known as? It consists of a capsule and a slime layer.
Glycolax
What are the 4 types of ions that can pass through a ligand-gated ion channel receptor?
Calcium
Potassium
Sodium
Chloride
Where does glycolysis occur in the cell?
In the cytoplasm
What helps give the species the best chance of survival?
Genetic variability
When the males compete for the opportunity to
mate with females, this is called
Male-male competition
What covers the ends of long bones, the tip of noses, connects the ribs, and supports the respiratory system?
Hyaline cartilage (a type of cartilage, and cartilage is a type of connective tissue)
What cell signal uses a tyrosine kinase receptor?
Insulin
What are responsible for the first level of packaging in chromatin? They are small; each are only about 100 amino acids.
Histones
What is the generation-to-generation sequence of stages in the reproductive history of an organism, from conception to production of its own offspring?
Life cycle
What is the type of natural selection where the average phenotype in a population changes over
time?
Directional Selection