Unit 5: Cells
The process of cell reproduction that results in two, identical daughter cells being formed.
What is mitosis?
This molecule is known as the "blueprint of life" and carries genetic information
What is DNA?
The number of chromosomes that a healthy human has.
What is 46?
Genetic changes in living things over time.
What is evolution?
The variable in an experiment that the scientist manipulates.
What is the independent variable?
A cell that has the ability to differentiate into any other type of cell.
What is a stem cell?
This type of bond holds the two strands of DNA together.
What is a hydrogen bond?
These are different forms of a gene that can exist at a specific locus (you have 2 for each trait).
What are alleles?
A structure that an organism has, but no longer needs to use in order to survive.
What is a vestigial structure?
A hypothesis is written in this format.
What is If...then...because...?
The phase of the cell cycle where most cells are found at any given time.
What is interphase?
This enzyme unzips the DNA double helix during replication.
What is helicase?
The process during Meiosis I that causes each daughter cell to be unique.
What is crossing over?
An S-shaped population growth model.
What is logistic growth?
The variable that belongs on the y-axis of a graph.
What is the dependent variable?
The four stages of mitosis.
What are prophase, metaphase, anaphase, & telophase (PMAT)?
This process converts DNA into messenger RNA.
What is transcription?
A chromosomal abnormality that involves having an extra chromosome on your 21st pair of homologous chromosomes.
What is Trisomy 21 (Down Syndrome)?
The largest population of organisms that an environment can support. (point where the population stabilizes on a graph)
What is carrying capacity?
A group within an experiment that does not have the independent variable applied to them.
What is the control group?
You have a 1mm cube & a 3mm cube. This cube has a larger SA:V ratio & is going to experience a more rapid diffusion of nutrients & important substances.
What is the 1mm cube?
The protein that is translated from the nitrogenous bases GUC.
What is Valine?
The probability that two heterozygous dark haired parents have a child with dark hair?
What is 75%?
The term for natural selection that changes the distribution of a trait to favor one extreme phenotype.
What is directional selection?
654 centimeters in meters.
What is 6.54 meters?