Chapter 8- Cells
True or False: Eukaryotic cells do not have a nucleus and have many organelles missing
False
how many daughter cells does mitosis create?
2
how many daughter cells does meiosis create?
4
DNA to DNA- ATTACAG
TAATGTC
DNA to RNA- ATTCCGAT
UAAGGCUA
Which organelle makes proteins using coded instructions that come from the nucleus?
ribosomes
The phase where the nuclear envelope re-forms and chromosomes uncoil.
telophase
physical characteristic of an individual
phenotype
What is chargaff's rule?
A=T, C=G
what base pair is new in RNA?
Which organelle break down food / proteins and old cell parts using enzymes.
lysosomes
in which stage of the cell cycle does DNA replication occur?
synthesis
chromosomes cross over
DNA replication occurs during this stage of the cell cycle _________ and requires the enzyme ________________.
S phase, DNA polymerase
what kind of RNA carries genetic information from nucleus to ribosomes?
Messenger / mRNA
water flowing from high concentration to low
osmosis
in which stage of mitosis does the nuclear membrane disappear?
prophase
A chicken with black and white feathers would be an example of
codominance
if a species has 30% adenine, it would have ____% cytoside
20%
What is the correct order of information flow in the central dogma of molecular biology?
DNA -> RNA -> Protein
what are the 3 parts that make up Cell Theory?
all living things are composed of cells, cells are the basic units of life, all cells come from pre-existing cells
the cell growing and preparing for mitosis would occur in which phase of interphase?
G2
A PINK flower has one red parent and one white parent. This is an example of ________________ dominance, which is an example of ________________ genetics.
incomplete, non-mendelian
DNA stands for... (spelt correctly!)
deoxyribonucleic acid
What is the main difference between transcription and translation?
trasncription- DNA to mRNA, translation- mRNA to amino acids