Scientists
A stands for...
T stands for...
C stands for...
G stands for...
A is Adenine
T is Thymine
C is Cytosine
G is Guanine
Why does a Cell grow?
A cells grows to avoid information overload inside the cell and to allow for exchange of materials across the cell membrane.
What happens in cytokenisis?
The cytoplasm divides
DNA stands for......
Deoxyribonucleic acid
What did Erwin Chargaff discover?
Erwin Chargaff discovered that there are equal amounts of A and T. C and G have equal amounts too.
When does a cell divide?
A cell divides when it reaches it's maximum size.
What is this phase where the chromosomes line up in the middle?
METAPHASE
Whats the first step in the cell cycle?
Interphase
True or False:
Did Rosalind Franklin use the x-ray to discover the DNA structure?
TRUE
Sexual Reproduction:
-Has diversity
Asexual Reproduction:
-Quick process
What happens in telophase?
1.Chromosomes unwind
2.Nuclear membrane forms around each set of chromosomes
3.Spindle fibers break down
What is a zygote?
A fertilized egg
Explain the double helix structure
Two strands twisted around each other like a twisted ladder that make up the DNA
The sides of the ladder are formed by covalent bonds
What does sexual reproduction require?
It requires 2 parents to produce offsprings
What is the cell division of prokaryotic cells?
Simple binary fission
Biology is the study of life
Who are James Watson and Francis Crick?
James Watson and Francis Crick were scientists who worked together to explain the structure of the DNA. They also explained Chargaff’s rule with is A bonds with T and C bonds with G
What is the result of cell divison?
2 new daughter cells
Explain what happens in each process of all the steps in Interphase
Hint:Takes place in Eukaryotic cells
G1: Cell grows
S: DNA reproduction
G2: Organelles and materials are reproduced
What's a symbol for phosphate?
Po4