Prior to mitosis, each chromosome of a eukaryotic cell consists of a pair of identical structures called?
The phase of mitosis during which the nuclear envelope fragments and the nucleoli disappear is called?
Which of the following is a feature of plant cell division that distinguishes it from animal cell division?
Formation of a cell plate
The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called?
Which of the following statements regarding the function of Mitosis is false?
Mitosis allows organisms to generate genetic diversity
Which of the following must occur for a plant or animal to grow and develope normally?
The organism must be able to control the timing and rate of the cell division in different parts of the body.
A ____ is the time during which the cell cycle will not go forward until a certain signal is recieved.
What is the name of the molecule that forms the molecular basis of the internal cell cycle control system?
Which of the following statements regarding mitosis and meiosis is false?
Meiosis provides for asexual reproduction
Which of the following statements regarding the difference between mitosis and meiosis is false?
Crossing over is a phenomenon that creates genetic diversity during mitosis.
Idependent orientation of chromosomes at metaphase 1 and random fertilization are most like?
Shuffling cards and dealing out hands of go fish
WHich of the following options correctly describes the behavior of a tetrad during anaphase 1 of meiosis?
It splits into two pairs of sister chromatids, and one pair goes to each pole of the dividing cell.
In the 1920s, Ferderick Griffith conducted an experiment in which he mixed the dead cells of a bacterial strain that can cause pneumonia with live cells of a bacterial strain that cannot. When he cultured the live cells, some of the daughter colonies proved able to cause pneumonia. Which of the following processes of bacterial DNA transfer does this experiment demonstrate?
If Adenine makes up 20% of the bases in a DNA double helix, what percent of the bases are thymine?
If adenine makes up 20% of the bases in a DNA double helix, what percent of the bases are guanine?
Whoch of the following people conducted the experiments that demonstrated that DNA is the genetic material of bacteriophages?
Hershey and Chase
Why does a DNA strnad grow inly in yhe 5' to 3' direction?
Because DNA polymerase can only add nucleotides to the 3' end of the growing molecule
Replication of DNA is semi-conservative. This means that after replication, ___?
Each new DNA double helix consists of one old strand and one new strand.
During replication ___ is the enzyme responsible for adding nucleotides to a growing DNA strand.
DNA polymerase III
Eukaryotic replication differs from prokaryotic replication in that?
There are many initiation sites on eukaryotic DNA.