Ctivity Q3 Test 1 - Biotech and History of Life ((Period 5) Biology 1-2000310_D03)
eams
a
nments
27.27) Which of the following is an application for Gel Electrophoresis?
(3 Points)
les
a. Paternity Tests
b. Crime Scene Investigations
c. Differentiating Identical Twins from one another
d. A and B, but not C
28.28) What is the purpose of PCR, also known as Polymerase Chain Reaction?

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

the answer is d p: cell, q: organ, r: organ system, s: tissue