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Tamiku [17]
2 years ago
9

A student uses a microscope to look at cells from a tree leaf and a fingernail. Which structure will the student see in the tree

leaf cell that is not in the fingernail cell? A. mitochondria B. cilia C. cell wall D. ribosomes
Biology
2 answers:
Ahat [919]2 years ago
6 0
I believe it would be D but I'm not really that sure my strongest opinion is on D.
Kazeer [188]2 years ago
3 0

Answer:

Option C cell wall

Explanation:

Cell wall is only found in plant cell. A cell wall is to provide structural support, filtering and also protection to plant cell. Since the cell from fingernail is not a plant cell and therefore the cell wall is not available. The rest of the organelles in the options such as mitochondria, cilia, ribosomes can be found in the cells from a tree leaft and a fingernail.  

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]Which of these statements best explains why land breeze blows during the night in coastal locations?
natita [175]
The best and most correct answer among the choices provided by your question is the second choice.

<span>Land breeze blows during the night in coastal locations because sea gets heated up faster than land at night. </span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
5 0
2 years ago
Select the appropriate shape for the given volume formula. V = pi r squared h. V = four-thirds pi r cubed. V = l w h. V = one-th
devlian [24]

Explanation:

          Volume of a cylinder = \pi r² h

          Volume of a sphere = \frac{4}{3}  \pi r³

          Volume of cone =  \frac{1}{3} \pi r² h

          Volume of cuboid = l w h

Where:

     r is the radius of the body measured

     h is the height

     l is the length

    w is the width

     

The volume of a body is the space it occupies and it refers to its size.

it is measured in cubic meters or cubic centimeters.

Learn more:

Volume brainly.com/question/12497249

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4 0
2 years ago
Read 2 more answers
In translation, the cell uses the genetic information contained in mRNA to make the proteins that carry out the cell's work.
stellarik [79]

Answer:

The correct option is d) UAG

Explanation:

Central dogma can be described as the process in which the transcription and translation occurs. The process by which mRNA is made from the DNA is called transcription and the process by which proteins are made by mRNA is called translation.

The first codon present on the DNA is TAG. The mRNA formed from this codon will be AUC. When this mRNA will travel from the nucleus to the cytoplam, the tRNA will bring the anticodons UAG for the first mRNA codon. Hence, the correct option is D.

5 0
2 years ago
Which statement describes the reaction for cellular respiration? The equation is carbon dioxide + water Right-arrow glucose + ox
ziro4ka [17]

Answer:

glucose + oxygen Right-arrow carbon dioxide + water and energy is produced in the form of ATP. This is the correct equation.

Explanation:

In cellular respiration -

If oxygen is present glucose molecules breakdown release energy in the form of ATP.

Here 1 glucose molecule in the presence of 6 oxygen molecules gives 6 carbon dioxide and 6 water molecules And 36 ATP as energy.

aerobic cellular respiration is very efficient in energy production as it gives high energy.

8 0
2 years ago
Read 2 more answers
There are three essential components of all homeostatic control mechanisms; control center, receptor, and effector. The __(1)___
tresset_1 [31]

Answer:

The receptor senses changes in the environment and responds by sending information (input) to the control center along the ascending pathway. The control center  analyzes the input, determines the appropriate response, and activates the effector by sending information along the descending pathway. When the response causes the initial stimulus to decline, the homeostatic mechanism is referred to as a negative feedback mechanism. When the response enhances the initial stimulus, the mechanism is called a positive feedback mechanism. Negative feedback, mechanisms are much more common in the body.

Explanation:

Homeostasis is the adaptation of living organisms or systems to new conditions in the environment by auto-regulation. Through this mechanism, an equilibrium state can be maintained in spite of any changes. This adjustment in the physiological system is called <em>homeostatic regulation</em> and it is composed of three parts: the receptor, the control center, and the effector.

The receptors receive information from the environment about something changing and transmit that information to the central nervous system (control center). This pathway is defined as the ascending pathway. Information is processed in the control center which handles many sensory signals, evaluates them, compares them and uses them for decision making. After that, an efferent neuron is stimulated to carry information from the central nervous system to the effector cells of the target organ. The effector may be muscle or glandular tissue. This pathway is defined as the descending pathway. Finally, the target organ responds.

There is negative feedback when the response declines the initial stimulus, which is the <u>most common mechanism</u> in the body. There is positive feedback when the response enhances the initial stimulus, which might be very nocive to the organism.

5 0
2 years ago
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