To study the details of protein molecules on the surface of a cell, a biologist would likely use aA) compound light microscope

B) dissecting microscope

C) Scanning electron microscope

D) transmission electron microscope

Answers

Answer 1
Answer:

Answer;

C) Scanning electron microscope

Explanation;

-A Scanning Electron Microscope (SEM) is a powerful magnification tool that utilizes focused beams of electrons to obtain information.

-A scanning electron microscope (SEM) scans a focused electron beam over a surface to create an image. The electrons in the beam interact with the sample, producing various signals that can be used to obtain information about the surface topography and composition.

-Advantages of a Scanning Electron Microscope include its wide-array of applications, the detailed three-dimensional and topographical imaging and the versatile information garnered from different detectors.

Answer 2
Answer:

Answer:

C) Scanning electron microscope

Explanation:

Scanning electron microscope - It uses a focused beam of the electron over a surface to form an image electron that interacts with the atom present in the sample and it produces various signals that are used derive information from the composition and details structure of protein molecule.


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Which of the following steps is important to critical thinking?a.
implementing solutions
b.
utilizing facts
c.
holding firm to conclusions
d.
answering questions

Answers

Critical thinking is the evaluation and analysis of the issue with a proper conclusion. Utilizing facts and information is important to critical thinking. Thus, option b is correct.

What is critical thinking?

Critical thinking has been the process that involves intellectual discipline that applies, analyzes, and evaluates concepts based on processed information and data through observation, reasoning, and communication.

The process of logical reasoning and thorough analysis allows critical thinking. The most important step in critical thinking is to utilize the facts actively to reach the outcome and conclusion.

It allows one to intercept the data and known knowledge to get the solutions to the problems and in determining the issues and questions.

Therefore, option b. utilizing facts is important for critical thinking.

Learn more about critical thinking, here:

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I would say:
b. Utilizing facts

usually when you do critical thinking, you analyze all the facts to help form your conclusion.

The Eurasian water milfoil is a nonnativespecies, which was once commonly sold as an
aquarium plant, and is now found growing in
many lakes in New York State. It has few
natural enemies, and grows rapidly, crowding
out many native species. This plant ruins fishing
areas and interferes with boating and other
water sports. This is an example of
(1) human consumption of finite resources
(2) an unintended consequence of adding an
organism to an ecosystem
(3) an abiotic factor having a negative effect on
an ecosystem
(4) the introduction of a species that has
increased the long-term biodiversity of an
ecosystem

Answers

The right answer for the question that is being asked and shown above is that: "(4) the introduction of a species that has increased the long-term biodiversity of an ecosystem." This plant ruins fishing areas and interferes with boating and other water sports. This is an example of the introduction of a species that has increased the long-term biodiversity of an ecosystem

Answer:

it would be (2) or B

Explanation:

Because if the plant is commonly sold as aquarium plants then they could have had an unintended consequence of adding an organism to an ecosystem.

When you squeeze lime juice onto sliced avocado or drip orange juice over your sliced apples, you are using citric acid as a competitive inhibitor to prevent oxygen from binding to the active site of polyphenol oxidase (PPO), the enzyme that causes fruit to turn brown.Which model best shows this inhibition?

Answers

Answer:

The correct model is attached as the image.

Explanation:

In this model, there is large green circular in shape on that a medium circular indentation towards the left to the green circle. On the other hand towards the right there are two small circular indentations. There is a green smaller indention is shown as the site where oxygen binds when lime juice is squeezed on avocado.

There is two tiny gray circular structure that is joined together by a spaced line represent the oxygen that moves to bind to the active site. Arrow is connected from this gray structure to the indentation and turn back which shows inhibition. The model is given below.

Which molecules do cells need to release energy? (Can you make it look like 7th grade writing please well if you can)

Answers

Answer:

Cells need oxygen and glucose.

Without oxygen, electron transport chain cannot take place and the cells cannot get the energy they need (since the cell uses oxygen to break down glucose which os what produces energy). When the cells cannot perform their function, they die.

A student wants to compare how long a flashlight will continue to shine using different brands of batteries. How can the student make sure that the test is fair?

Answers

Answer:

start with unused fresh out of the pack batteries

Answer:

THE TYPE OF FLASHLIGHT USED

Explanation:

If you put a pot on the stove, the pot becomes hot. The heat is transferred to the pot on the burner by radiation.TRUE/FALSE

Answers

Answer:

the answer is FALSE

Explanation: I already turned in my test so I know that this is the correct answer. because it is caused by conduction NOT  radiation.

the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.

The answer is True. The heat is transfered to the pot by radiation.