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tangare [24]
3 years ago
5

Which substance is made of protein

Biology
2 answers:
zepelin [54]3 years ago
8 0

Answer:

C. Hemoglobin

Explanation:

The hemoglobin proteins make blood red.

Its structure contains 4 protein chains, two alpha chains and two beta chains. This is used to carry oxygen through bloodstream from the lungs into the many tissues in the body.

The hemoglobin needs to be in certain levels since it is essential to survival mechanisms.

The  hemoglobin  is present in tasks involving cells structure, function and regulation of tissues and organs.

The proteins that make up hemoglobin result from smaller blocs called amino acids, the amino acids get together in chains in different arrays.

For hemoglophin this means   four protein chains, two alpha chains and two beta chains.

qaws [65]3 years ago
5 0
C. hemoglobin hope this helps
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Using a microscope, Quinlin notices a small green organelle inside a cell. Which of the following is most likely to occur first
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Answer:

D.The light-dependent reactions absorb sunlight and transfer the energy to electrons.

Explanation:

Firstly, the organelle that was described as small green organelle inside a cell as noticed by Quinlin is the CHLOROPLAST. Chloroplast is an organelle present in the cells of green plants, in fact, it makes plants green. Chloroplast is the organelle where the unique process of PHOTOSYNTHESIS occurs in plant cells.

However, the photosynthetic process is divided into stages namely: light-dependent and light-independent stages. The light dependent stage, which involves the production of ATP (energy carrier) and NADPH (electron carrier), must PRECEDE the light independent stage or Calvin cycle. Chloroplast contains a pigment called CHLOROPHYLL, which absorbs light energy from the SUN in order to power the light dependent stage of photosynthesis.

Hence, the light-dependent reactions, which absorb sunlight and transfer the energy to electrons must occur first in the organelle.

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3 years ago
What were the three major observations that charles darwin contributed to evolution?
Volgvan

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The 3 major observations were:

1. More individuals are produced each generation that can survive.

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3. Those individuals with heritable traits better suited to the environment will survive.

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Charles Darwin was a British naturalist who proposed the theory of known to everyone as  'The Theory of Evolution' through natural selection.

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