50 points + brainliest to the best answer
What explanation can you offer for why the types of E. coli found on this surface would change over several months’ period
(DO NOT DO PROBLEM 8)
Answers
Answer:
if i am reading the question right, The selection leading to changes in the E. coli variance is an example of artificial selection because humans are treating the bacteria with triclosan
Explanation:
Related Questions
What does the similarity in the front limbs of different vertebrate animals tell us about their evolutionary relationships?
Answers
Answer:
they likely evolved from the same ancestor
Explanation:
because they have similar features
Which of the following is not true concerning the Nereus? a. It is able to dive deeper than any other man-made vehicle. B. It will be used to explore previously unreachable areas of the ocean. C. It is a combination automated and remote-operated vehicle. D. It has the capacity to carry two crew members.
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The statement which is not true is it has the capacity to carry two crew members.
The correct option is D.
What is the Nereus?The Nereus was the underwater vehicle built by the (WHOI).
It was the worlds' deepest diving vehicle.
It was lost one time in deep sea.
Furthermore, it was made to discover the deepest range of the ocean.
Thus, the correct option is D, It is able to dive deeper than any other man-made vehicle.
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Answer:
D
Explanation:
Slue the image of a plant
Which gas is cycled into the atmosphere at the arrow
Photosynthesis
oxygen
nitrogen
water vapor
carbon dioxide
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PLEASE IN QUICK!!! Why do patients seem to get sicker when they are using chemotherapy and radiation therapy?
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If an alien from another planet landed in front of you what song would you play for them to help them understand humanity
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Answer:All star smash mouth
Explanation:
All star smash mouth. A planet is a sizable body that revolves around a star.
What are planets?
An object must have enough mass to have been compressed by gravity into a spherical, or round, shape in order to qualify as a planet. It must also be big enough for any rocky or icy debris in its orbit around the star to have been swept away by gravity.
According to science, planets start to form when a nebula, or dense cloud of gas and dust, revolves around a young star.
Gravity forces the nebula's material fragments to clump together over time. These aggregates develop and gather over time. These clusters eventually develop into planets.
Therefore, All star smash mouth. A planet is a sizable body that revolves around a star.
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How do transporters and channels select which solutes they help move across the membrane?.
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Answer:
Channels discriminate between solutes mainly on the basis of size and electric charge.
Explanation:
Which lived more recently in time, the common ancestor species of A and B or the common ancestor
species of B and C?
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Answer:
B and C because their ancestors cut off more recently than A and B
Explanation:
Jm~ Hope this helps...
Answer:
Band C
Explanation:
c wwould be the closest in time so the ancestor of B and C would be closer to present time than the ancestor of A and B
During cellular respiration, acetyl coa accumulates in which location?.
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At the beginning of an action potential, ____ ions flow from outside the nerve fiber into the nerve fiber.
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Answer:
Positive Sodium Ions
Explanation:
Positive Sodium is the answer
an action that benefits others but not ourselves is an example of:
Answers
Answer:
prosocial behavior
Explanation:
hope it helps
Using a microscope, a scientist has identified a group of cells. Each oval shaped cell appears to have a cell membrane and several ribosomes in it's cytoplasm. In one area of the cells, a circular band of DNA can be observed. What type of cells are these
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Answer:
Prokaryotic cells
Explanation:
........................
Female monarchs lay their eggs exclusively on which plant.
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Answer:
Milkweed
Explanation:
Monarchs become poisonous for ingesting the Milkweed they hatch on, helping them avoid being eaten.
removing seeds from cotton plants was a slow job until eli whitney invented the cotton gin what is cotton gin
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What do the letters outside the punnett square represent.
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Answer:
the letters outside of a punnett square represent the parents genes
Oxygen is essential for many forms of life, yet early earth had very little oxygen in the atmosphere. Where did the increase in oxygen come from?.
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Answer:
Literally, it is the waste product of cyanobacteria, also known as blue-green algae.
EXPLANATION
Explanation:
Between two to three billion years ago, Earth's atmosphere started changing.
Organisms living then were doing so anaerobically (without oxygen), but there was a gradual build up of oxygen in the atmosphere - the reason for this, as well as for the percentage of oxygen stabilising at around 21% is still unclear.
What we do know is that tiny organisms known as cyanobacteria (or blue-green algae) would photosynthesise carbohydrates for their nutrition and growth using sunlight, water, and carbon dioxide.
The waste product of photosynthesis, till today, is oxygen.
Over time, this oxygen increased till it reached the levels that we experience today.
The chloroplasts in today's plants are symbiotic cyanobacteria that continue the same process started billions of years ago.
Pls help with science
Answers
Answer:
number 10 - the plants are the same because you need to have them that way, so it doesn't change anything about the experiment
Explanation what might happen to one plant
might not happen to the other
Heat, acids, bases, salts, or mechanical agitation can unfold, change the shape or ________ proteins but none of these factors changes the primary structure of the protein.
Answers
Heat, acids, bases, salts, or mechanical agitation can unfold, change the shape or denature proteins.
What is Denaturation?This is common in protein molecules and it involves the breaking of the weak bonds which ensure that the protein's arrangement is highly ordered.
Heat and other chemicals are able to denature protein which is why it was chosen as the most appropriate choice.
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Which of the following relationships is an example of commensalism?
A. Bacteria live inside a human's stomach, making the person ill
B. Insects get food from flowers and help the flowers reproduce
C. Mosquitoes eat the blood of cows, passing along disease
D. A fish lives in coral, getting protection from the coral
Answers
Answer:
the answer is D. i think
Explanation:
a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter... D fits it most
sugar made in the process of photosynthesis is sent to the mitochondria to produce........
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Explanation:
In a plant cell, chloroplast makes sugar during the process of photosynthesis converting light energy into chemical energy stored in glucose. In mitochondria, through the process of cellular respiration breaks down sugar into energy that plant cells can use to live and grow.✨✨✨✨✨✨⭐
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Answer:
In a plant cell, chloroplast makes sugar during the process of photosynthesis converting light energy into chemical energy stored in glucose. In mitochondria, through the process of cellular respiration breaks down sugar into energy that plant cells can use to live and grow..
.AS YOUR WISHMatch each event with its description.
1. Lunar eclipse
2. New moon
3. Solar eclipse
4. Full moon
1. The moon is fully visible to observers on earth
2. The moon lies between earth and the sun, but does not block light from reaching earth
3. Earth blocks sunlight from reaching the moon
4. The moon blocks sunlight from reaching earth
Answers
2.new moon
3.lunar eclipse
4. solar eclipse
9. A chromosome has the following segments, where * represents the centromere: AB*CDEFG. How would you describe a chromosomal mutation that created this chromosome: ADC*BEFG
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What roles do the circulatory, and respiratory systems play in ensuring aerobic cellular respiration can provide the energy our cells need
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Answer:
1) transport oxygen to body tissues and carbon dioxide to the lungs.
2) transport glucose from the digestive system to body tissues
Explanation:
Should be one of them if those are your options
Which is not a cause of water pollution?
A. chemicals from industrial waste
B. combustion from engines of cars
C. oil spills from boats in the ocean
D. pesticides used in agriculture
Answers
Answer:
D —> pesticides used in agriculture
Explanation:
i believe this should be right as pesticides have no effect on water whilst the others do although im not too sure!
Riboflavin is a cofactor for the reaction in which ___split into fatty acids and glycerol in the cytosol to prepare for entry into metabolic pathways
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Answer:
electron transport chain
Explanation:
sorry if its wrong
Which form of transport requires the expenditure of energy?.
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During active transport, substances move against the concentration gradient, from an area of low concentration to an area of high concentration. This process is “active” because it requires the use of energy (usually in the form of ATP). It is the opposite of passive transport.
Which process occurs when two haploid (N) nuclei fuse and a single diploid (2N)
nucleus is formed?
implantation
mitosis
fertilization
meiosis
Answers
Answer:
c. fertilization
Explanation:
Fertilization is the process when two haploid (N) nuclei fuse and a single diploid (2N) nucleus is formed. Therefore, option C is correct.
What is fertilization?Fertilization is the process by which a sperm cell from a male fuses with an egg cell from a female to form a zygote. In most organisms, including humans, fertilization occurs during sexual reproduction.
The zygote contains a unique combination of genetic information from both the mother and the father and will develop into an embryo, which will eventually grow into a fetus. Fertilization is a critical step in sexual reproduction, as it initiates the development of a new organism with its own unique set of genetic characteristics.
Thus, fertilization is the process when two haploid (N) nuclei fuse and a single diploid (2N) nucleus is formed. Therefore, option C is correct.
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A group of scientists studying the DNA of two hominids concludes the hominids have a common evolutionary ancestor. Which of the following would best support the validity of their conclusion? Independent teams reviewing their work and arriving at the same conclusion Explaining their experimental procedures in detail Proposing explanations for evidence that contradicts their conclusion Publication of their research in a popular magazine.
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Independent teams reviewing their work and arriving at the same conclusion BEST support the validity of their conclusions. Revision is fundamental in scientific work.
The process of revision in scienceThe validation of empirical information obtained by using the scientific method is made by revision.
Reviewers are independent researchers who assess the scientific soundness of an investigation.
Generally, scientific journals send a publication to two or more independent reviewers for its evaluation.
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Answer:
Independent teams reviewing their work and arriving at the same conclusion
What is the name given to the
final stage of cellular respiration?
A. Glycolysis
B. ADP
C. The Electron Transport Chain
Answers
Answer:
B
Explanation:
the others don't match.
"Oxidative phosphorylation is the final stage of aerobic cellular respiration. There are two substages of oxidative phosphorylation, Electron transport chain and Chemiosmosis. In these stages, energy from NADH and FADH2, which result from the previous stages of cellular respiration, is used to create ATP."
How many dominant alleles does an individual need in order to have the autosomal dominant trait.
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How do vaccines help keep people well?
A. They help the body respond more quickly to a new pathogen.
B. They kill insects that commonly spread pathogens to people.
C. They cure diseases caused by bacteria and other pathogens.
D. They clean drinking water so waterborne pathogens don't spread.
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Answer:
A. They help the body respond more quickly to a new pathogen.
Explanation:
Hope it helps