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3 years ago

Which is an organism that makes its own food?

Biology

1 answer:

Genrish500 [490]3 years ago

6 0

Answer:

Autotroph

Explanation:

The definition of an autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.

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Transcription chain elongation is thought to generate ____ supercoils ahead of the transcription bubble and _____ supercoils beh

frosja888 [35]

Answer:

a. positive; negative

Explanation:

Transcription is the process of forming an RNA molecule from a DNA template molecule. In this process, the strands of DNA separate and one serves as a template for RNA, while the other is inactive. At the end of the transcript, the tapes that have been split back together again.

The transcription process is divided into three steps: initiation, stretching and termination

During the stretching phase, transcription chain elongation occurs. In this phase the enzyme called RNA polymerase starts to move through the DNA molecule, unwinding its helix and producing an increasingly lengthened RNA molecule. The already transcribed DNA is rewound almost immediately, recomposing its double helix. This process is called the elongation phase.

During this process, it is believed that positive supercoils are generated ahead of the transcription bubble and and the negative supercoils behind it.

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2 years ago

Which cycle involves a gas moving from the atmosphere moving directly into

Taya2010 [7]

Answer:

B. The carbon cycle

Explanation:

In the carbon cycle, carbon in the atmosphere is absorbed into plants, where the plants use photosynthesis to convert that carbon into oxygen and energy for themselves. Neither of the other cycles involves a plant taking in a gas directly from the atmosphere.

Hopefully this was helpful! :)

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2 years ago

Ou are told that the cells on a microscope slide are plant, animal, or bacterial. You look at them through a microscope and see

grandymaker [24]

Answer:

The correct answer is c) are plant cells.

Explanation:

The cells cannot be animal cells, because they have not wall (this kind of cells has only plasma membrane). In addition, eukaryotic cells have membrane-bound organelles (which are surrounded by a phospholipids membrane, such as endoplasmatic reticulum, Golgi apparatus, lysosomes, etc.), whereas prokaryotic cells lack them. Since plant cells are eukaryotic and bacterial cells are prokaryotic, the cells you are looking are plant cells.

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3 years ago

What molecules are needed to maintain homeostasis in biosphere 2

ruslelena [56]

Answer:

What molecules are needed to maintain homeostasis?

Homeostasis is maintained by many cellular processes that require ATP. Aside from enzymes the make and break bonds, other proteins that use ATP include protein pumps that move salts across a membrane.

Explanation:

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2 years ago

which statement differentiates sensory neurons and motor neurons? sensory neurons are found in the brain; motor neurons are foun

azamat

Sensory neurons and motor neurons are only two of the basic types of neurons. The basic function of neurons are in transmitting nerve impulses to the different parts of our body. Sensory neurons carry signals from peripheral parts of our body into the central nervous system. On the other hand, motor neurons carry impulses from the central nervous system to the peripheral parts of our body.

Best answer: sensory neurons carry stimuli information to the brain; motor neurons carry processed information to muscles and glands.

6 0

3 years ago

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