DNA AND RNA
Is RNA single stranded or double stranded?
Single
How many stages are there in mitosis?
Four - we don't count interphase
The RNA that performs transcription by taking the template of the code from the nucleus to the cytoplasm
Messenger RNA
A cell with chromosomes that come in homologous pairs
Diploid
Which resembles mitosis the most: Meiosis I or Meiosis II?
Meiosis II - it's just like mitosis being performed on haploid cells
We call the structure of DNA a __________ __________ because of its two strands that have a spiral twist in them.
Double helix
Do bacterial cells undergo mitosis?
No, only eukaryotic cells
A sequence of three nucleotide bases on messenger RNA that refer to a specific amino acid
Codon
The total number of chromosomes in a diploid cell
Diploid number
If one diploid cell goes through meiosis, how many cells result and are they haploid or diploid?
Four, haploid
Name the four nucleotide bases in RNA
Adenine, guanine, cytosine, and uracil
The region that joins two sister chromatids
Centromere
A three-nucleoctide base sequence on transfer RNA
Anticodon
The number of homologous pairs in a diploid cell OR the total number of chromosomes in a haploid cell
Haploid number
A haploid cell with duplicated chromosomes turns into two haploid cells with no duplicated chromosomes. Did it go through mitosis, Meiosis I, or Meiosis II?
Meiosis II because M-II starts with haploid cells with duplicated chromosomes and just splits apart the duplicates into 2 cells
Name the four nucleotide bases in DNA
Adenine, guanine, cytosine, thymine
The time interval between cellular reproduction, which is not a mitosis stage
Interphase
Amino acids are the building blocks of ___________
Proteins
If a cell has 14 pairs of homologous chromosomes, what is its HAPLOID number?
14
In a male, meiosis results in 4 sperm cells. In a female, meoisis results in how many USABLE egg cells? Tell what happens to the others.
One - the others are polar bodies and disintegrate
What does uracil bind to in RNA?
adenine
The first stage of mitosis, where the DNA duplicates, the chromosomes condense and the spindle forms
Prophase
If you find a strand of DNA or RNA and it has the sequence ATCGT, is it DNA or RNA?
DNA because of the thymine
Are sperm and egg cells haploid or diploid?
Haploid, have half the usual number of chromosomes that other body cells would have
If you start with 4 cells with a diploid number of 10, and go through meiosis, how many cells result, and how many chromosomes are in each cell?
16 cells, each with 5 chromosomes