uncontrolled growth and spread of abnormal cells

What is the order of the 3 major cycles in a PCR reaction:

denaturation, annealing, extension

What is a chromosome?

A single DNA strand tightly coiled around histones

Which of these would be a genetically modified organism?

Soybean plants containing an agrobacterium glyphosate tolerance gene

the use of computation to extract knowledge from biological data

Which of the following is not a property of the DNA sequences used in fingerprinting profiling.

code for specific genes linked to suspicious behavior

programmed cell death, a normal healthy process

Why did we run a control PCR reaction to amplify the chloroplast gene for our GMO experiment?

to make sure each sample contained detectable plant DNA

Phenotypes of cancer over many generations can be visualized by creating:

a family pedigree noting individuals with cancer

a version of a gene; one allele received from each parent

occurs in gametes (sperm and egg) and is passed on to offspring

What can a phylogenetic tree tell you?

the relationship between a set of gene or protein sequences

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Biotechnology Exam 3

31 termsStudBud Administration67 plays

GMOs, bioinformatics, cancer genetics, forensics

Flashcards31 cardsFPractice quizPHost liveL

Questions 31

Answers

1
Activation of an oncogene supresses cancerous cells
TRUE
FALSE
2
DNA sequencing is:
performed using Sanger sequencing
all of the above
a method of determining the order of nucleotides in a segment of DNA
continually refined and can now be performed quickly and in great depth
3
Which of the following is considered trace evidence?
fingerprints
body fluids
hair and fibers
blood
4
A blood test can be used to eliminate, but not convict a suspect
TRUE
FALSE
5
What is cancer?
uncontrolled growth and spread of abnormal cells
none of the answers
a viral infection killing your cells
bacteria growing throughout your body
6
Familial inheritance of one wild type p53 allele and one mutated p53 allele:
leads to dominanat inherited cancers
suggests Li-Fraumeni syndrome (LFS)
high family mortality due to various cancers
all of the above
7
CODIS is a database of DNA profiles from crime scenes, convicted offenders, and arrestees.
TRUE
FALSE
8
What is the order of the 3 major cycles in a PCR reaction:
denaturation, extension, annealing
annealing, denaturation, extension
denaturation, annealing, extension
extension, annealing, denaturation
9
In our GMO experiment, why did we run a known GMO positive and known GMO negative DNA sample?
to make sure our PCR reaction was not contaminated
all of the above
to confirm that our PCR was working
so we could certify that our reactions worked
10
Trace evidence is created when objects make contact and get transferred
FALSE
TRUE
11
Over 85% of genetically modified plants use these 2 systems:
promotor and terminator
agrobacteria and CaMV
GFP and E.coli
corn and soy
12
What is a chromosome?
you get one copy from your mother and one copy from your father
a way to divide genes
A single DNA strand tightly coiled around histones
Humans have 46 chromosomes, 23 pairs
13
What is BLAST used for?
to compare an unknown sequence to those stored in a database
compare an unknown protein fragments with known protein sequences
all of the above
to identify the gene that an unknown DNA sequence codes for
14
Which of these would be a genetically modified organism?
organically grown tomatoes
Soybean plants containing an agrobacterium glyphosate tolerance gene
Agrobacterium which has a natural resistance to glyphosates
a corn plant originally found in South America which is now grown in Iowa
15
Genetic disorders are caused by:
a mutation in a single gene
a mutations in multiple genes
all of the above
gene mutations, environmental factors, and chromosomal damage
16
DNA damage leading to cancer can be caused by:
UV radiation
p53
natural selection
pGLO
17
Bioinformatics is:
the use of computation to extract knowledge from biological data
biological information used to enhance computer programming
computer programming to modify genetics
a collection of databases
18
A homozygous loci shows 2 bands on a DNA profile because your parents gave you different loci
TRUE
FALSE
19
Which of the following is not a property of the DNA sequences used in fingerprinting profiling.
are loci that do not control traits and have no known function
code for specific genes linked to suspicious behavior
sequences are polymorphic
contain STRs - short tandem repeats
20
PCR reactions contain:
All of the above
primers
TAQ polymerase
nucleotides
21
What is the p53 gene?
cell regulator
all of the above
oncogene
tumor suppressor
22
What is apoptosis?
premature death of living cells due to outside factors
popping a zit
unnatural
programmed cell death, a normal healthy process
23
Why did we run a control PCR reaction to amplify the chloroplast gene for our GMO experiment?
to make sure our gel worked
to make the reactions look pretty
to make sure each sample contained detectable plant DNA
so we could practice running more reactions
24
Blood typing is determined using a hemagglutination reaction between antigens and antibodies.
TRUE
FALSE
25
Phenotypes of cancer over many generations can be visualized by creating:
a photo album
a pedigree only looking at relationships between individuals
a family pedigree noting individuals with cancer
a simple ancestry chart
26
Which of the following is not considered physical evidence
witness statements
DNA
fingerprints
trace evidence
27
What is an allele?
a chromosomal abnormality
a version of a gene; one allele received from each parent
a bunch of genes that mixed together determine your hair color
a mutated protein found in cancerous cells
28
A germline mutation:
occurs in a single body cell and is not inherited
occurs in gametes (sperm and egg) and is passed on to offspring
29
What can a phylogenetic tree tell you?
the identity of a protein
the sequence of a gene
the relationship between a set of gene or protein sequences
the sequence of a protein
30
What nucleotides make up RNA
A,C,G,U
A,C,G,T
ddNTPs
mRNA
31
Forensic scientists aid criminal investigations by scientifically testing evidence from a crime
FALSE
TRUE

Biotechnology Exam 3 Flashcards | StudBud