What is the name of the shape of the DNA molecule?
Double Helix
What are the two steps in protein synthesis?
Transcription & Translation
What is the result of mitosis?
Two identical daughter cells
Meiotic cell division in animals is directly responsible for ________?
The formation of gametes
Where is sperm stored and matured?
Epididymis
At what point in the cell cycle does DNA replication occur and why?
before a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions
What are the 3 types of RNA used in protein syntheis?
rRNA, mRNA, & tRNA
Asexual reproduction involves the process known as ______?
Mitosis
What process is unique to meiosis that also introduces genetic variation?
Crossing-over
Where does fertilization happen in the female?
Fallopian Tubes
What are the base pair rules in DNA
A = T
C = G
What is repeatedly joined together to form a strand of DNA?
Nucleotides
Most of the life of any cell is spent in a period of growth called ____?
Interphase
During egg cell production in a human female, the 21st pair of chromosomes may fail to separate. This failure to separate correctly is known as _____________.
Nondisjunction
One of the milestones of pregnancy is when a mother feels the fetus kicking. When does this movement first appear?
Second Trimester
What enzymes are used, in order, for DNA replication?
Helicase, primase, polymerase, ligase
TRANSCRIBE this DNA sequence: TAC-GTT-ACT
AUG-CAA-UGA
A cell with 10 chromosomes undergoes mitosis. How many daughter cells are created? Each daughter cell has ____ chromosomes.
2 daughter cells, 10 chromosomes
Which phase of meiosis is being shown?
Anaphase I
What structure forms out of the uterine lining, and transfers oxygen, nutrients, and waste between baby and mother?
Placenta
Which enzyme in DNA creates new strands of the DNA molecule by assembling nucleotides, the building blocks of DNA.
*Hint: this enzyme also proofreads DNA*
DNA Polymerase
Transcribe and Translate: TAC
Transcribe: AUG
Translate: Methionine
Which phase of mitosis is being shown?
Metaphase
If there are 40 chromosomes in each body cell of an organism, what is the total number of chromosomes normally present in a gamete produced by that organism?
20
What is the sequence of human development in the mother?
egg --> zygote --> blastocyst --> fetus