Why is the nucleus called the "control center" of a cell?
What is it tells the cell what to do
100
Where in the cell are chromosomes located?
What is the nucleus
100
Replication is called "semi-conservative" because half of the original strand is _____?
What is saved
100
What are the sides of the DNA ladder made of?
What is sugar and phosphates
100
What are the four bases that make up the rings of the DNA ladder?
What is A, T, G, C
200
What is a gene?
What is a section of DNA, codes for a trait
200
What two scientists established the structure of DNA?
What is Watson and Crick
200
What sugar is found in DNA?
What is deoxyribose
200
What sugar is found in RNA?
What is ribose
200
What does base A bond with?
What is base T
300
DNA can be found in what organelles?
What is mitochondria, chloroplasts
300
What three parts make up a single nucleotide?
What is sugar, phosphate, and base
300
What does base G bond with?
What is base C
300
Why is RNA necessary to act as a messenger?
What is DNA does not leave the nucleus
300
Proteins are made where in the cell?
What is ribosomes
400
How is RNA different from DNA? (list one)
What is uracil, ribose, and single strand
400
The process of copying DNA is called ___?
What is replication
400
What is the shape of DNA?
What is double helix
400
An allele is?
What is one of several possible forms of a gene
400
Phenotype refers to the _______ of an individual
What is actual physical appearance
500
Why is DNA called "the blueprint of life?"
What is it contains the instructions for building an organism
500
Which of these choices is considered genetically related?
a. Tay-Sachs disease and Sickle Cell Anemia
b. Down Syndrome and Thalassemia
c. Sarcoidosis and Hebephrenia
d. Color-blindness and Phenylketonuria
What is c
500
The idea that different pairs of alleles are passed to offspring independently is Mendel's principle of?
What is independent assortment
500
In determining the phenotype for the ABO blood system:
a) O is dominant over A
b) B is dominant over A
c) O is recessive
d) all of the above