Biomolecules
Evolution
Mutations
Cell Cycle
Pedigrees/Punnett Squares
100
What are the 4 biomolecules?
Carbohydrates
Lipids
Proteins
Nucleic acids
100
What term describes the process of an organism's physical characteristics changing over time to adapt to its environment?
Evolution
100
What are the DNA base pairs? (What pairs with what?)
A with T
C with G
100
Before cells can divide, what happens to the DNA?
it is replicated in S phase
100
In this Punnett square, how many homozygous offspring are there?
2 (AA and aa)
50%
200
This biomolecule contains enzymes.
Proteins
200
Sharks and dolphins have adapted to have similar body shapes (dorsal fin, tails, etc.) even though their DNA is very different. Which of these could explain this?
A: they live in a similar environment
B: they are genetically similar
C: they are both top predators
D: they both eat the same foods
A: they live in a similar environment
200
What kind of mutation involves removing a nucleotide from a DNA sequence?
deletion
200
The last step of mitosis, where the organelles and cytoplasm are split between the two daughter cells is called _________.
cytokinesis
200
A mom with brown eyes (TT) and a dad with blue eyes (tt) have a baby. What percent chance does their baby have of receiving blue eyes?
0%
300
Which biomolecule is made of CHON?
Proteins
300
Which species is the chimp more closely related to? How do you know?
Humans, more of the chromosome (DNA) is similar
300
What type of mutation does the picture show? (What type of point mutation?)
Substitution
300
If there is a mistake in the cell cycle, uncontrolled cell division can occur. What is this called?
cancer
300
In this example, the disorder is recessive. What genotype does individual I-1 have to be?
Aa (heterozygous)
400
Using this food label, would you predict this food is rice, oil, or meat? Why?
Rice, because it has 70g of carbohydrates. (Only 10g of lipids and 18g of protein)
400
Darwin proposed that organisms better suited to their environment tend to survive and produce more offspring. What was this called?
natural selection
400
A mutation in which there is a premature (early) stop sign is called a _____.
nonsense mutation
400
What happens in G0 phase?
the cell rests / no division occurs
400
A woman with blood type O marries a man with blood type AB. What is the chance that their kids will have type A blood?
50%
500
What is another name for biomolecules?
Macromolecules
OR
Organic molecules
500
What are structures that no longer have a purpose called?
Vestigial structures
500
What type of mutations are frameshift mutations? (all correct answers are needed to receive points)
Insertion and deletion
500
Explain the main idea of cell differentiation.
An unspecialized cell (a cell with no true "job") becomes specialized
500
The disorder in this pedigree is recessive. What are all possible genotypes of individual II-1?
AA or Aa (can't tell which, because their kids are not affected)