A student notices that when bananas are kept near other fruits, the other fruits ripen faster. She wonders what causes the other fruits to ripen more quickly and thinks that bananas must have an influence on the ripening process. She decides to perform an experiment. She gathers bananas and apples and places an apple by itself at location A and an apple next to a banana at location B. She then waits for five days and records the how ripe each apple is.What would be the next step in this experiment?

A. construct a hypothesis and record data

B. make observations and draw a conclusion

C. ask questions and construct a hypothesis

D. analyze the results and make a conclusion

Answers

Answer 1

Answer:

The answer will be option D - analyze the results and make a conclusion

An assumption has already been made here as the student has noticed that other fruits ripe faster when they are kept with the bananas so she has conducted the experiment to observe the result and finally conclude to some result.

Answer 2

Answer:

i think it is D, she has already constructed the hypothesis and needs is performing the experiment. there is not much of an observation stage because she is looking at a distant end result in a set time frame.

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A researcher has decided to lesion different parts of a cat’s brain and observe the effects on the cat’s behavior. After the surgery, the researcher notices that the cat is having trouble walking in a straight line. The cat also does not respond to the researcher randomly blowing a whistle like it did before the surgery. The researcher also noted that the cat’s sleep/wake cycle has changed since the surgery. What part of the brain did the researcher most likely lesion?

Answers

Answer:

reticular formation

Explanation:

A matrix consisting of nerve fibers as well as cell bodies of the neurons that form a greater part of the core of the brainstem is termed as the reticular formation.

The reticular formation extends from the medulla to the intralaminar nuclei of the thalamus.

The main function of the neurons of the reticular formation is to maintain consciousness and motor arousal.

In brief this region controls the following :

1. somatic motor control

2. cardiovascular control

3. sleep

4. consciousness

5. habituation

6. pain modulation

Since the cat is having problems with the sleep-wake cycle, does not respond to the researcher, there is a change in behavior and inability to walk on straight line. This points out to damage in the reticular formation.

Gymnosperms are classified as which of the following?

Answers

Answer:

seed producing plants

Explanation:

gynosperms also known as a acrogymnospermae are a group of seed producing plants that includes conifers cycads Ginkgo and gnetophytes the term gynosperm comes from a composite word in Greek meaning literally naked seeds.

I think

Which components are required for protein synthesis in the prokaryotic 30S initiation complex? Options: A. 30S ribosomal subunit and IF-3 B. 50S ribosomal subunit and fMet-tRNAfMet C. mRNA and EF-5 D. All of the above

Answers

Answer: a

Explanation:

In mammals the powerful muscle that aids in breathing is the A. diaphragm. B. kidney. C. cerebrum. D. placenta.

Answers

In mammals, the powerful muscle that aids in breathing is the diaphragm. This muscle expands and contracts the chest cavity and forces air in and out of the lungs.
Hope that helped =)

The diaphragm is the powerful muscle that aids in breathing.

Hope this helped! Have a nice day!

what causes a protein to migrate on SDS-PAGE in such a way that it appears to be a protein that is much bigger

Answers

SDS-PAGE is used for separation of proteins or protein fragments based on their size. SDS is an ionic detergent that denatures and binds to proteins. Consequently, the proteins are negatively charged. An electric current is running through the gel in the electrophoresis with positive pole on the bottom. Since proteins are negatively charged, they migrate toward the positive pole of the gel. Some of the proteins are smaller so they can travel more quickly through the gel than the bigger proteins.

The MOST accurate way to determine the evolutionary relationship between two animals is through the examination of

Answers

The most accurate way to determine the evolutionaryrelationship between two animals is through the examination of their notochordsor their nervous system which primarily consists of the animal’s brain andspinal chord. Through this, one can know how primitive or how well-developed anorganism is according to e.g. brain size and functions.

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