The basic unit of matter that is "unable to be cut."
What is an atom
100
The organelle that assembles proteins.
What is a ribosome
100
Genes for different traits tend to segregate independently of each other during the formation of gametes.
What is the law of independent assortment
100
The protein DNA coils around when condensing into a chromosome.
What is a histone
100
The area where sister chromatids attach
What is the centromere
200
The sum of what 2 subatomic particles is the atomic mass?
What is protons and neutrons
200
Protective barrier that holds the cell together. Made of a lipid bi-layer and proteins.
What is the cell membrane
200
Each chromosome from the male parent has a corresponding chromosome from from the female parent.
What is homologous
200
The main enzyme involved in linking individual nucleotides into DNA molecules.
What is DNA polymerase
200
If a cell does not need to multiply, it will then enter this phase.
What is Go
300
The number of electrons in the outermost shell of an atom.
What is valence electrons
300
All cells have cytoplasm and this.
What is a cell membrane
300
Traits with the potential to show a wide range of phenotypes because they come from the interaction of several genes.
What is polygenetic traits
300
The complement to 3 consecutive nucleotides that code for a specific amino acid.
What is an anticodon.
300
The end products of oogenesis are one primary oocyte and 3 _________.
What are polar bodies
400
A hypothesis is tested by manipulation of only one variable. This is known as ______________.
What is a controlled experiment
400
When a substance moves across a cell membrane without the use of energy it tends to flow in this direction.
What is high to low concentration
400
In humans, brown eyes (B) are dominant over blue (b)*. A brown-eyed man marries a blue-eyed woman and they have three children, two of whom are brown-eyed and one of whom is blue-eyed. The man’s genotype is ____.
What is Bb
400
Original DNA: TAC GCA TGG
mRNA: AUG CGU ACC
Mutated DNA: TAC CCA TGG
mRNA AUG GGA ACC
What is a substitution/point mutation
400
Homologous chromosomes grouped together
What is a tetrad
500
This is a biological catalyst.
What is an enzyme
500
The condition in which the diffusion of a particular substance is complete.
What is equalibrium
500
The phenotype ratio of a two factor self cross for a heterozygous individual (AaBb).
What is 9:3:3:1
500
A series of genes that control differentiation of cells and tissues in the embryo.
What is hox genes
500
Independent assortment occurs during this phase of meiosis.