Dna Flashcards
What is the backbone of DNA made outta
Sugar and phosphate
Each step of the ladder on the DNA is called a _____
Nucleotide
DNA is loosely or tightly packed ?
DNA is tightly packed
What are genes?
Specific segment of DNA found in specific places on the chromosomes
What do genes code for?
They code how to make proteins that your cells needs, some proteins determine what u will look like
Some proteins will become ___ and ____
Enzymes and hormones
Mutations are caused by______
Mutagens
Mutagens can be caused by
Radiation, UV light, household chemicals..etc
Eye colour is _____
Allele is ____
Word bank: eyecolour, blue brown
Eye colour is a gene
Allele is the colour of the eye, blue brown ..etc
Difference between Prokaryotic and eukaryotic cells is that ____
Prokaryotic- no nuclei
Eukaryotic- nuclei
The shape of DNA is a____
Double helix
A series of ___ nucleotides code for one amino acid
3
Cell spends 90% of urs time in interphase and 10% in mitosis what are the cycle?
G1, S, G2
After meiosis the 4 daughter cells will have ____ chromosomes as the parents
Half
After mitosis the 2 daughter cells will have ____ of chormosomes as the parents
Same number