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Olenka [21]
3 years ago
13

This is a tough one! This element helps hold your house together, by making sure

Biology
1 answer:
Elan Coil [88]3 years ago
5 0

Answer:

Zinc

explanation:

The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal . Zinc is more reactive than iron, so it oxidises in preference to the iron object.

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Which process occurs only in autotrophic organisms? Calvin cycle chemiosmosis Krebs cycle proton pump mechanism
Nadya [2.5K]
The answer to this question should be: Calvin cycle

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4 0
3 years ago
An example of something that stores chemical energy is
xeze [42]
Hi! I believe it is lightning! Hope this helps :)
6 0
3 years ago
Read 2 more answers
A bacterial strain can grow on rich medium (which contains all the amino acids, vitamins, and a variety of carbon sources) but n
Anastasy [175]

Answer:

The correct answer is option C. "arg+leu– or arg–leu+".

Explanation:

This bacteria is not able to growth on minimal medium or minimal medium  supplemented with leucine. This means that the bacteria needs external supplementation of amino acids to growth, either arginine or leucine. Therefore, this bacteria can have the genotypes of arg+leu– or arg–leu+, meaning that the bacteria is able to synthesize either of two amino acids, but not both, because if that was the case the bacteria would be able to growth on minimal medium.

3 0
3 years ago
What is the purpose of the images and captions in the article?
cluponka [151]

Answer:

To present visual information to the reader along with detailed descriptions of the visual sources which are presented.

Explanation:

4 0
3 years ago
Which statement about cellular respiration is true?
topjm [15]

Answer:

\textsf {It produces oxygen.}

Explanation:

\textsf {Cellular respiration is the process} \\\textsf {through which cells convert sugars into energy.}\\\textsf{To create ATP and other forms of energy to power cellular reactions,}

\textsf {cells require fuel and an electron acceptor which drives} \\\textsf {the chemical process of turning energy into a useable form. }

\textsf {This commonly takes place through photosynthesis, }

\textsf {where carbon dioxide and sunlight is taken in}

\textsf {to produce oxygen and water.}

8 0
2 years ago
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