DNA
The shape of a DNA molecule was first described by Watson and Crick to be a _______
Double Helix spiral shell
loop de loop trapeze swing
Double helix
What is the result of Mitosis?
gametes proteins
two identical daughter cells Copy of DNA
Two identical daughter cells
The sperm and egg cells for mice have 20 chromosomes each. How many chromosomes do the diploid zygotes formed have?
40
Which of the following is not a stage of the cell cycle?
mitosis interphase
cytokinesis replication
replication
Which RNA is produced during transcription?
mRNA, pRNA, rRNA, tRNA
mRNA
The shape of a DNA molecule can be described as a ____
loop de loop trapeze swing
sea star twisted ladder
Twisted Ladder
In mitosis, spindle fibers form during ______
Prophase
Matching pairs of chromosomes in a diploid cell are called _________ chromosomes.
Homologous
Before a cell divides, it makes a copy of its DNA during ______
interphase
RNA uses ______ instead of thymine
uracil
In a DNA molecule, adenine always pairs with
Thymine
In Mitosis, new chromosomes reach the end of the spindle and begin to uncoil during____
Telophase
The union of two haploid gametes forms a diploid cell called a _____
zygote
The cytoplasm is divided and two new cells form during
cytokinesis
What do we call the process of converting the RNA code into a protein?
replication, transcription, translation, transliteration
translation
The smaller subunits that make up a DNA molecule and that consist of a sugar, a phosphate, and a base are known as
nucleotides
Mitosis is involved in the replacing of dead cells as well as in the growth of an organism
True
Meiosis produces ___________
gametes
The chromosomes are lined up in the center of the cell during
metaphase
Replication results in two____
identical daughter cells, gametes, two identical DNA molecules, sets of homologous chromosomes
identical DNA molecules
Copying DNA into two identical DNA molecules is known as
Replication
True or False
Mitosis includes the use of budding and regeneration to reproduce
true
Meiosis reduces the 2n of genes down to
n
Sister chromatids divide into separate chromosomes
anaphase
Converting RNA code into a protein is
replication, transcription, translation, fertilization
translation