A
B
C
D
E
100
In a DNA molecule, what always pairs with thymine?
What is adenine?
100
Which phase of mitosis is represented by this picture?
What is anaphase?
100
Which phase of mitosis is represented here?
What is prophase?
100
In a DNA molecule, what always pairs with cytosine?
What is guanine?
100
Which structure is letter I pointing to?
What is the spindle?
200
True or False
Sexual reproduction results in offspring that are identical to the parent.
False
You are not an exact copy of your parents! Thank the Lord!:)
200
What are the 4 bases in a DNA molecule?
Adenine, thymine, cytosine and guanine
200
When forming gametes (egg and sperm) is mitosis or meiosis used?
What is meiosis?
200
List 2 methods of asexual reproduction...
budding, regeneration, mitosis
200
True or False
In asexual reproduction, the offspring receive genes from both parents.
False
Genes are received from both parents in sexual reproduction.
300
During which phase does the cell make a copy of its genes?
What is Interphase?
300
This is the phase of mitosis in which the chromosomes are lined up at the center.
What is metaphase?
300
What 3 parts are included in a nucleotide?
sugar, phosphate, base
300
True or False
During cell division, each new cell must get exactly the same amount of cytoplasm and the same number of each organelle.
What is False?
300
What is the word that means having two of each kind of chromosome? has oid in it...
What is diploid?
400
This is the phase in which the nuclear membranes form...
What is telophase?
400
What are genes sections of?
DNA proteins
amino acids
What are DNA?
400
This is the phase in which the nuclear membrane disappears?
What is prophase?
400
A diploid cell has how many of each kind of chromosome...
What is 2?
400
How many chromosomes are in a human sperm cell?
What is 23?
500
Which of the following never contains the code for a sequence of amino acids needed to manufacture a protein?
mRNA, chromosome, DNA, tRNA
What is tRNA?
500
What letter does B represent in the nucleotide pictured below?
The base, adenine, thymine, cytosine, guanine
500
What are sister chromatids?
When all the genes of a chromosome have duplicated but are still attached, these are the structures that are formed.
500
What carries the genetic code from DNA to the ribosomes?
What is messenger RNA?
500
What is the new cell that is formed from the union of two gametes (egg and sperm) called?
What is a zygote?