Bio 112 Chapter 9
What is the molecule responsible for transmitting genetic material across generations?
DNA
Which of the following items would you expect to find in a chromosome?
DNA and protein
What is the relationship between the sequence of bases on a molecule of DNA and the proteins in a given cell?
The bases on DNA are the code to produce proteins.
During which phase of mitosis would you expect to see chromosomes lined up in the middle of the cell?
metaphase
segregate DNA and other cellular components during________
mitosis
Plant cell mitosis is basically like animal cell mitosis EXCEPT that ________
plant cells use a cell plate to separate daughter cells
The correct order of mitosis is______.
prophase, metaphase, anaphase, telophase
Our chromosomes exist as many sets of similar pairs, with the EXCEPTION of our______.
sex chromosomes
What is different about the DNA in bacterial cells compared with the DNA in eukaryotic cells?
Bacterial DNA is circular, whereas eukaryotic DNA is linear.
What is the correct sequence from genetic information to protein?
DNA → mRNA → ribosome → protein
If a cell is no longer undergoing cell divisions (for example, a neuron) it is said to be in which phase?
G0 phase
Which of these statements is true regarding cell division in the body of a growing teenaged human?
Only a subset of cells is dividing at this point.
What is the main difference between animal and plant cell divisions?
Plants have to replicate a cell wall as well.
Dividing cells must copy their DNA, known as _______
Replication
The period during which a cell replicates its DNA is known as the _______.
S phase
In which stage of mitosis does cytokinesis begin?
anaphase
In what form does the DNA in your cells exist?
as a dense package of DNA and protein called chromosomes
Cell division in bacteria is known as____.
binary fission
Diving cells split apart during______
cytokinesis
The complete collection of an organism's genetic information is known as its_______.
genome
Where are the instructions for producing enzymes located?
the genome of the cell
What is contained in an organism's genome?
the total genetic information for that organism
