Test 1
What is known as the study of tissues?
Histology
What performs dehydration reactions between amino acids?
Ribosomes
What is an example of a heterozygous genotype?
Tt
What are the cells that do mitosis?
Stem cells
What is the result of mitosis?
Two (daughter) cells
What is another name for a signal molecule or a chemical messenger?
A ligand
Down Syndrome is an example of Trisomy
21
What is the genotype of someone who has cystic fibrosis?
ff (homozygous recessive)
What are all the cells of the body except the gametes and the precursors of the gametes called?
Somatic cells
Where in the cell does the electron transport chain occur?
The mitochondria
What is the protein that makes up microfilaments?
Actin
What vitamin family serves as precursors for coenzymes?
Vitamin B
The lagging strand is replicated in bursts, or fragments, called:
Okazaki fragments
What are the three things that ATP consist of?
Three Phosphate groups, ribose, and adenine
What is the change of gene frequencies in a population over time?
Evolution
Draw a Carbonyl
C=O
What refers to when a gene is activated?
Gene expression
What keeps the DNA from getting tangled by breaking and rejoining the DNA helix to relieve "supercoiling"
Topoisomerase
What refers to when humans choose traits and breed organisms to get those desired traits.
Artificial selection
What is P53?
A tumor suppressor protein
What type of tissue arises from mesenchyme?
Connective
What often binds to the ligand gated ion channel receptor in the smooth ER to release calcium?
IP3
what results from interactions between the histone tails of one nucleosome and the linker DNA and nucleosomes on either side.
30 nm fiber
What is the enzyme that fluoride inhibits?
Enolase
What does FAD stand for?
Flavin adenine dinucleotide