BioLab 1 Report
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Exercise 1 – Questions and Hypothesis
Lab Study A – Asking Questions
1) Does watching too much TV cause children to develop learning disabilities?
What is the relationship between excessive TV viewing in children and the development of learning disabilities?
2) Should endangered species be cloned to prevent extinction?
What are the potential benefits and the risks of using cloning technology to prevent the extinction of endangered species?
3) Does second hand smoke cause disease?
What is the association between exposure to secondhand smoke and the risk of developing various diseases?
Lab Study B – Developing Hypotheses
1) Does regular interaction with pets improve the health of the elderly?
Regular interaction with pets positively impact the health of the elderly, which may lead to improved physical and mental well-being.
2) What effect do high concentrations of the industrial pollutant PCB (polychlorinated biphenyl) have on killer whale reproduction?
High concentrations of PCB negatively impact killer whale reproduction, which may lead to decreased fertility rates and lower calf survival.
Exercise 2: Designing Experiments to Test Hypotheses
Please use the lab scenario found in Exercise 2 in the Lab 1 Procedure to answer the following questions.
Lab Study C. Determining Variables
1) Based on the scenario above determine the dependent variables.
Leaf size of the corn plants, size of the corn produced, and the height of the corn plants
2) What is the independent variable in this experiment?
The exposure to sulfur dioxide emissions
3) List the controlled variables base
d on the scenario above.
The type and variety of corn plants The number of corn plants The temperature, humidity, and light
The duration of exposure to sulfur dioxide and the filtered air
The type of containers used
The soil type
The watering and fertilization routine for the corn plants
Lab Study D. Choosing or designing Procedures
1) What was the level of treatment in the scenario?
The exposure of the corn plants to sulfur dioxide emissions from the coal-
powered power plant.
2) Describe replication in the above experiment.
Replication in this experiment is the process of repeating this experiment multiple times utilizing different groups of corn plants. In this experiment there are four groups of corn plants, with each group consisting of six plants. The process of replication helps to ensure that any of the observed
effects are consistent and not due to chance.
3) In the case of the scenario, what was the control treatment?
In this experiment the control treatment is the exposure to half of the corn
plants that utilized filtered air. This group serves as a baseline to evaluate the effects of sulfur dioxide emissions. By exposing half of the corn plants to filtered air, the observed differences (if any) are measured variables. The two groups they can be attributed to the impacts to the sulfur dioxide emissions.
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Related Questions
%3D
12/15
Which question MOST likely may have led to the development of recombinant DNA
technology?
Can human genes be
integrated into
bacterial DNA so
Can
Can DNA be cut into
fragments by
restriction enzymes
Can human genes be
introduced into the
undifferentiated
cells be used to
and then separate into
unique patterns?
bacteria can copy the
genes and produce
their proteins?
repair parts of the
body?
cells of people with
genetic disorders using
a virus?
Music off
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Sign out
O 3:26
Lenovo
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PLS ANSWER
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WHAT IS THE ISSUE’S POTENTIAL BENEFITSAND DETRIMENTS TO GLOBAL HEALTH?
SHOULD GENE THERAPY BE LIMITED TOMEDICAL ONLY OR COULD IT BE USED FORAESTHETIC PURPOSES?
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Bio1B 3/23 DNA/Protein Syntl X
S le festin song analysis | Schoo X
G what compounds are re
/common-assessment-delivery/start/4797160920?action%3Donresume&submissionld%3D468979669
Ai.
English 9 Student D.
S ddddddddddddddd...
Type of Genetics Cr.
S TEWWG Chap
DNA Protein Synthesis Test
DNA REPLICATION
1. The enzyme
is responsible for unzipping the helix to start the process of replication.
2.
is responsible for adding new nucleotides to the template strand during replication.
6 7 8 9 10 11
ment-delivery/start/47971609207action-onresume&submissionid-468979669#
Support | Schoology Blog | PRIVACY PO
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Q: Antibiotics are used in genetic engineering.
They are useful
to keep culture free of microbial a
O
infections
O
to select healthy vectors .b
O
to identify replication start sites.c
O
as selectable markers .d
Q: Choose the best choice that describes the
purpose of adding chloramphenicol to the
culture of engineered bacteria
O
It inhabits the process of protein a
synthesis
O
It blocks chromosome replication .b
It blocks cell division .c
It leads to increase the copy number of d
recombinant molecules
Q: Alkaline denaturation process is a kind of
DNA isolation on the basis of conformation, that
cause insolubility of cell components except one
of the following
Supercoiled DNA a
Chromosomal DNA b
Protein molecules c
RNA molecules d
All choices.e
None of choices f
Q: After transforming the ligation mixture into
the E. coli, the transformed and non-
transformed bacteria both can grow on media
.containing antibiotics
True a
O
False ..b
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Path: p
QUESTION 44
What precautions might you take when working in a BSL-2 lab? Is there a risk?
T TTArial
3 (12pt)
Path: p
QUESTION 45
What are insertion and deletion mutations? Why might they be harmful to a cell?
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
P Type here to search
立
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Letters X and Y represent the?
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which exercise help...
Lestions Answered
Initially, she may present her data and condusions at a scientific conference whe
tists. Later, she will write a paper to be published in a scientific journal. After she
review the paper - a process called peer review - to suggest further investigation
the paper stronger. The scientists will then recommend or deny the paper for pu
entists incorporate the results into their own research. If they cannot replicate he
Scientific ideas are advanced after many papers on a topic are published.
MULTIPLE CHOICE
Scientists who are part of a peer review can
A
B
Recommend or deny a paper for publication
Only recommend a paper for publication
Only deny a paper for publication
O
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Please answer all of these questions in details
Answer all of the following questions
a) Define the following terms: biotechnology, Plasmid,Genetic engineering and Transformation
b) List two types of medical products that can be produced using DNA tech-
nology
c) Relate bioethics to the continued development of genetic engineering
techniques.
d) Describe two major goals of the Human Genome Project.
e) Distinguish between proteomics and genomics.
f) Outline the different applications of biotechnology
g) List some techniques of genetic engineering.
h) Delineate the transgenic organisms and their significance.
i) Explain the procedure for the following
PCR, Gel electrophpresis and Gene therapy
j) Describe human genome project and its main goals.
k) Discuss the drastic environmental impacts of oil spills and how the mi-
crobes like bacteria can help mitigate the problem.
l) Give an account of significance of transgenic organisms in food industry.
m) Describe the uses of DNA finger…
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11
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Can you please answer 13, and 14
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BONUS: Why do RNA viruses such as the COVID coronavirus, influenza virus and HIV have much
higher mutation rates than DNA viruses such as Herpes viruses?
O DNA polymerases which copy viral RNA have much higher mutation rates than RNA polymerases which copy
viral DNA
O RNA polymerases which copy viral RNA have much higher mutation rates than DNA polymerases which copy
viral DNA
RNA viral 60S ribosomes make many ore mutations than DNA viral 40S ribosomes
O RNA viral gyrases make more mistakes than DNA viral helicases
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1 and/or 2 please
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2009 Question #1:
Describe how a plasmid can be genetically modified to include a piece of foreign DNA that
alters the phenotype of bacterial cells transformed with the modified plasmid. Describe a
procedure to determine which bacterial cells have been successfully transformed
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Since the blue indicate the number of sequenced RNA samples what does the purple bars indicate in the view?
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18.
CRISPR can change DNA in animals. What did scientists look at in the nature to help them create CRISPR?
Question 18 options:
Bacteria fighting off viruses
Sheep cloning
antibiotic resistance
cell survival
19.
Identify the disease:
•It affects mainly males.
•Affected males are usually born to unaffected parents; the mother is normally an asymptomatic carrier but may have affected male relatives.
•Females may be affected if the father is affected and the mother is a carrier.
Question 19 options:
X-linked recessive
X-linked dominant
Y-linked
Autosomal recessive
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11
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Which of the following best describes the relationship between drug-resistant bacteria and antibiotic use?
O When exposed to antibiotics, the drug resistant bacteria will die first, leaving behind the beneficial bacteria
O tis acceptable to discontinue a course of antibiotics as soon as you feel better. This keeps fewer of the good bacteria from being killed
O Antibiotic use prompts the bacteria to develop a drug resistant gene
O The drug-resistant variant of bacteria is already in the bacterial population. Antibiotics provide the selective pressure favoring these bacteria
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U JUmething new.
umpulate genes focusing on the physical traits among
Ang can be used
value or can tileate
NDII. TIS helude selective breeding, hybridization and inbreeding.
3. Genetic engineering is referred to various techniques used for the modification or manipulation of
organisms through the processes of heredity and reproduction.
4. This includes cloning, gene splicing, gel electrophoresis and DNA recombinant technology.
5. Recombinant DNA technology use to remove and insert genetic sequences from and into other sequences
of other organism.
6. The tools used in Recombinant DNA technology are restriction enzymes, vectors and host organisms.
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Activity 3
org
SOR
Directions. Distinguish the techniques in genetic engineering as based on the situation and examples given.
Write the letter of the choices.
A. Artificial selection
B. Selective breeding
C. Hybridization
D. Inbreeding
E. Cloning…
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Pls help me anser this questions asap with an explanation! all info is on the pictures
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Can you please do questions 20,21 and 22
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Genetics Question 5
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AA
FE FAQS (Frequently Asked Questions)
Science - fcSU18-DAFSP2810 : Lessons
DERS
tion
suit
Environmental Science - fcSU18-DAFSP2810
1 LESSONS
Lessons > Test 3
Determine whether the statement is true or false, and why.
"Bacteria reproduce sexually through plasmids and increase
genetic diversity through Binary Fission"
A. False, “Bacteria reproduce asexually through Binary Fission and increase
genetic diversity through plasmids."
B. True
C. False, "Bacteria reproduce sexually through Binary Fission and increase
genetic diversity through Plasmids."
D. False, "Bacteria reproduce asexually through plasmids and increase
genetic diversity through Binary Fission."
Reset Selection
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1. What is the genetic event/process that enables antibiotic resistance to occur?
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Help
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Write a scientific explanation about how mutations can have positive, negative, or neutral effects on an organism. See image attached.
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- %3D 12/15 Which question MOST likely may have led to the development of recombinant DNA technology? Can human genes be integrated into bacterial DNA so Can Can DNA be cut into fragments by restriction enzymes Can human genes be introduced into the undifferentiated cells be used to and then separate into unique patterns? bacteria can copy the genes and produce their proteins? repair parts of the body? cells of people with genetic disorders using a virus? Music off Zoom In Sign out O 3:26 Lenovoarrow_forwardPLS ANSWERarrow_forwardWHAT IS THE ISSUE’S POTENTIAL BENEFITSAND DETRIMENTS TO GLOBAL HEALTH? SHOULD GENE THERAPY BE LIMITED TOMEDICAL ONLY OR COULD IT BE USED FORAESTHETIC PURPOSES?arrow_forward
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