A _____ remains when the nitrogen-containing portion of an amino acid is removed. select one:

1 answer:

5 0

The correct answer is C.
Amino acids consist of two different parts, the nitrogen-containing portion (NH2 group, dor the amino acid) and the carbon skeleton, containing the COOH, the acidic part. Two amino acids form bonds between their amino and acidic parts and form peptides that build up to proteins.

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There are two critically important aspects of adaptive immunity. The first is specificity, while the second is ________.

Oksi-84 [34.3K]

Answer:

Memory

Explanation:

The two important features that characterize the adaptive immune system are specificity and memory.
The ability of the adaptive immune system to target specific pathogen and generate a tailored immune response against it is termed as specificity.
The ability of the adaptive immune system to remember the first exposure to the pathogen and thus, generate a heightened and more rapid immune response against the same pathogen on subsequent exposure is termed as memory.

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3 years ago

Which is the relationship between animals and plants in the carbon cycle? <br>

enyata [817]

Answer:

Animals release carbon dioxide into the air, and plants take it in.

Explanation:

The existence of plants and animals on the planet is important in maintaining life. Animals release carbon dioxide as waste through the respiratory system. The carbon dioxide that is released is then taken in by plants, which they use to produce their own food through a process called photosynthesis. The by product of that process is oxygen which is released in the atmosphere and animals take it in.

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3 years ago

Radiation

Gnesinka [82]

Radiation: is the emission or transmission of energy in the form of waves or particles through space or through a material medium.

Examples: Radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation

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3 years ago

Which two points have the same elevation?

MrRa [10]

Answer:

(A.) points A and B

Hope this helps!

4 0

3 years ago

You will develop a brief portfolio detailing the history of tsunamis in a modern society that could be used to teach others.

Maru [420]

The 2004 Sumatra Earthquake and Indian Ocean Tsunami gave us a vivid description of menace of major tsunamis. It also suggested that tsunami science and engineering were inevitable to save human society, industries, and natural environment.

An answer can be found in Japan. Japan is the country the most frequently hit by tsunamis in the world. The experiences are well documented and are continued as the local legends. In 1896, the tsunami science started when the Meiji Great Sanriku Tsunami claimed 22,000 lives. An idea of comprehensive countermeasures was officially introduced after the 1933 Showa Great Sanriku Tsunami. The major works taken after this tsunami, however, were the relocation of dwelling houses to high ground and tsunami forecasting that started in 1941. The 1960 Chilean Tsunami opened the way to the tsunami engineering by elaborating coastal structures for tsunami defense. The 1983 Japan Sea Earthquake Tsunami that occurred during a fine daytime cleared the veil of actual tsunamis. The 1993 Hokkaido Nansei-Oki Earthquake Tsunami led to the practical comprehensive tsunami disaster prevention used at present, in which three components, defense structures, tsunami-resistant town development and evacuation based on warning are combined.

The present paper briefs the history of tsunami research in Japan that supports countermeasures.

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2 years ago