Genetics
The name given to the structure of DNA also known as the Watson and Crick model.
Double helix
How many chromosomes in a diploid cell and in a haploid cell.
Diploid - 46 chromosomes
Haploid - 23 chromosomes
What is the function of the mitochondria.
Produce energy in cells
Give an example of the first line of defense.
Skin, mucus, saliva, tears
What are the two divisions of the Nervous Sytem?
CNS and PNS
What are the three molecules that make up a nucleotide?
Phosphate, ribose(sugar) and a nitrogen base.
Haploid cells are produced through mitosis or meiosis and are scientifically known as what?
Meiosis
Gametes
What are the two categories that living cells are divided into?
Eukaryotic and Prokaryotic
If suffering from scurvey, which food should be consumed and why? Orange, Red meat, Carrots
Orange
High levels of Vitamin C
Name an endocrine gland and a hormone that it produces.
Thyroid - thyroxine
Adrenal - adrenaline
Pancreas - Insulin/Glucagon
A section of DNA that consists of many nucleotides and codes for a protein.
Gene
A homozygote green eyed parent has a child with a heterozygote brown eyed parent. What percentage of the children will have green eyes?
50%
Complete the statement:
Cells of the same type form tissues, tissues form ... which then form ...
Organs
Systems
When you are vaccinated, which cells ensure that we create antibodies later in life?
B-memory cells.
Define the term negative feedback system.
When the body acts against a stimulus.
Chromosomes exist as pairs or sister what?
Chromatids
A red McCaw (type of bird) is mated with a blue McCaw. What is the phenotype of their offspring and what is the inheritance mode?
Purple offspring
Incomplete domoinance
Is a plant cell autotrophic or heterotrophic?
Autotrophic
Which cells directly kill disease cells after being informed by B-cells?
T-cytotoxic cells.
What major event occurs at the synapse.
Neurotransmitters are released from the axon terminal and cross the synapse to the dendrite.
The process of removing a section of DNA using enzymes and replacing it with a new section of DNA.
Gene splicing
A mother, blood type A, has a child with blood type O. The father denies that the child is his because he is blood type B. Could the child be his and why and state the inheritance mode.
The child could be his if both of the parents are heterozygous.
Co-dominance
Why is a virus considered to be a non-living cell?
It can not produce proteins from its DNA/RNA. It requires a host cell to do this.
Define the term Acquired Immune system.
Immunity to disease by making anti-bodies.
Is moving my hand away from something unpleasant the result of normal stimulus-response or reflex arc?
Reflex arc