Answer:
The correct answer would be B
Explanation:
Antibiotic resistance in bacteria develops in response to the environment in which the bacteria survives.
The antimicrobial resistance trait is acquired by any species of bacteria through one of the two ways that are either by making changes in their DNA sequences or through horizontal gene transfer mechanisms.
In the given E. coli gained the trait to develop resistance against antibiotic by making changes in their DNA as once the gene is altered or mutated, the trait can be passed on to the offsprings.
Therefore, Option-B is the correct answer.
Answer:
B. By mutating their DNA in response to environmental conditions to gain beneficial traits
Explanation:
Through the process of natural selection, bacteria such as E coli can gain new traits that benefit them.
This can occur when a DNA mutation occurs, where the mutated gene is actually beneficial to respond to environmental conditions.
Then, these bacteria with the gene will survive and produce more offspring with the same gene. This is how E coli can develop antibiotic resistance.
So, B is the correct answer.
what tool is most likely used to observe salt crystals
microscope
unaided eye
pan balance
telescope
Microscope where “micro” means small and scope is like a tool to see thing and salt crystals are small so be choice is microscope
what are the different parts of microscope ?A microscope is which produces large images of tiny substance and provide observer a close view of minute structures at a convenient scale for examination and analysis.
Anatomically the microscope consist of three structural parts, i.e. head, base, and arm, where head is known as the body and it carries the optical parts in the upper part of the microscope.
Base of microscope is used to support and carries microscopic illuminators and Arms connect the base and the head and the eyepiece tube to the microscope base.
The optical parts are basically applied for the view, magnify, and production of an image from a specimen placed and the various parts.
Eyepiece or ocular located at the top of the microscope with standard magnification is 10X, Eyepiece Tube which carries the eyepiece just above the objective lens.
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Why is it important to have a control group in the experimental design?
The control group is the main one because it acts as a benchmark to balance the results of the experiment.
What is control group in the experiment?Control groups are a principal aspect of true experimental designs. The presence of control groups authorizes researchers to confirm that study results are due to the drafts of independent variables rather than irrelevant variables. The control group of an experiment is a group that is not revealed to the independent variable and thus serves as a benchmark to which to compare the outcome of the experimental group. An experimental group, also known as a use of group, receives the treatment whose effect researchers wish to study, whereas a control group does not. They should be similar in all other ways.
So we can conclude that an example of a control group is a group of individuals in a detached trial that receive placebo pills instead of medication.
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which two processes happen during mitosis?
A. the chromosomes happen in a pattern.
B. The gametes fuse to form a zygote
C. the nucleus goes through 2 rounds of division
D. the nucleus divides only once
Answer:
C,A
Explanation:
Hopes this helps sorry if this is wrong
Answer:
A, D
Explanation: this is right 100%
b. What will happen to a red blood cell placed in a solution of 10% salt?
HELP ASAP
When were stem cells first removed from embryos? Why is this controversial?
What are the current U.S. laws regarding embryonic stem cells? In your
opinion, should scientists continue research with stem cells, or if you had a
disease and would benefit from the stem cell therapies, would you want
scientists to continue their research?
Answer:
They should not continue with research of stem cells
Explanation:
Why was the Cherokee writing system important?
Answer:Cherokee was one of the first American Indian languages to have a system of writing devised for it—a syllabary, so called because each of the graphic symbols represents a syllable.
Explanation:
What is the “self”? When we say “myself” or “yourself” what are we referring to?
Answer:
when you say self you are to the body, so when you say myself you are basically saying my body, my awereness. And when you say yourself it means their body.
Explanation:
Answer:
yourself is said to another person and you say yourself mean you and my self also means you but not used the same way.
Explanation:
hope this helps.
Glad to help
What would happen to the sea otter population if the amount of light available to the kelp
decreased due to construction of new buildings near the coast?
HELP PLEASEEEE
Answer:
forced immagration
Explanation:
they must find the light
What mRNA sequence will best match the section of DNA shown below?
G – A – T – C – C – T
C – T – A – G – G – C
C – U – A – G – G – A
T – C – G – A – A – G
Answer:
C-U-A-G-G-A
Explanation:
took the quiz this question right with this answer
The mRNA sequence will best match the section of DNA shown below is C-U-A-G-G-A. Thus, option C is correct.
What is the use of reverse transcriptase?Reverse transcriptase enzyme has been generally used by the retrovirus for their genome replication. This enzyme has been discovered by the Howard tenim.
Reverse transcriptase enzyme generates the complementary DNA from the mRNA template by the process of reverse transcription. The presence of RNase H, RNA-dependent DNA polymerase and DNA-dependent DNA polymerase activity enable the enzyme to convert the mRNA into DNA.
The position of the mRNA is to carry protein facts from the DNA in a cell's nucleus to the cellular's cytoplasm (watery interior), where the protein-making machinery reads the mRNA sequence and translates every three-base codon into its corresponding amino acid in a growing protein chain.
Therefore, The mRNA sequence will best match the section of DNA shown below is C-U-A-G-G-A. Thus, option C is correct.
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What are the characteristics of a Prokaryotic Cell?
A:Single Cell organisms that include the domains Bacteria and Archaea.
B:Multicellular organisms that include the domains Bacteria and Archaea.
C:Single Cell organisms that include the domain Eukarya.
D:Multicellular organisms that include the domain Eukarya.
Answer:
A
Explanation:
How do the equations help explain the role of producers in the ecosystem?
Answer:
Producers are organisms that create food from inorganic matter. The best examples of producers are plants, lichens and algae, which convert water, sunlight and carbon dioxide into carbohydrates. Consumers are organisms that cannot create their food. ... The producers are the foundation of any ecosystem.
Found this on google, hope it helps, have a great day/night and stay safe!
what do u mean by sporangium
Answer:
A sporangium (plural: sporangia) is the capsule structure belonging to many plants and fungi, in which the reproductive spores are produced and stored. ... The majority of sporangia produce haploid spores through meiosis, although some are able to produce spores through mitosis.
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