Blood and DNA Test

What are antigens?

Anything that stimulates an immune response?

What are antibodies?

They attach to and attack pathogens/foreign cells.

What is the most common presumptive blood test?

Kastle-Meyer

What is the universal donor type and why?

O because they don't have any antigens.

What is the universal recipient type and why?

AB because they don't have any ant A or B antibodies

What is agglutination?

Clumping that occurs when a corresponding antibody and antigen bind together

What cell can DNA not be found in?

Red blood cells because they don't have a nucleus

What do white blood cells have that red don't?

A nucleus

Do all living organisms have blood?

No

Leukocyte is what in the blood?

A white blood cell

Thrombocyte is what in the cell?

Platelets

What is the two sides of the DNA helix moving in opposite direction called?

Antiparallel

What are the 3 things that make a nucleotide?

Phosphate, sugar, and a nidrogenous base

What is the shape of the DNA strands called?

Double helix

In the DNA structure, (A)denine must pair with…

(T)hymine

In the DNA structure, (T)hymine must pair with…

(A)denine

In the DNA structure, (G)uanine must pair with…

(C)ytosine

In the DNA structure, (C)ytosine pairs with…

(G)uanine

What does DNA stand for?

Deoxyribonucleic acid

In the DNA ladder, what makes up the rungs?

Nitrogenous base (A,T,G, or C)

In the DNA ladder, what makes up the legs?

Phosphate and sugar

What bonds the nitrogen bases?

Hydrogen bonds

Are the hydrogen bonds holding the nitrogen bases together strong or weak?

Weak