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guajiro [1.7K]
3 years ago
13

How does the theory of evolution disprove the belief that natural selection prepares an organism to adapt to its environment?

Biology
1 answer:
Crank3 years ago
6 0
<span>Natural selection leads to the survival of the population with the most complex traits. your answer is d.</span>
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What compound does most of the work to carry out cell processes
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Proteins. <span>The amino acids in a polypeptide chain are linked by peptide bonds. Once linked in the </span>protein<span> chain, an individual amino acid is called a residue, and the linked series of carbon, nitrogen, and oxygen atoms are known as the main chain or </span>protein<span> backbone.</span>
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3 years ago
Mr. Palazzo, a fisherman in his late 60s comes to your clinic complaining of small ulcers on his forearms, face and ears. He has
azamat

Answer:

Most likely diagnosis is Basal Cell Carcinoma (BCC), most likely caused by years of prolonged exposure to sunlight over time.

Explanation:

Basal Cell Carcinoma (BCC) is a common type of skin cancer that develops when the basal cells that is responsible for producing new skin cells when they die, become mutated and causes the basal cell to abnormally multiply rapidly and continues to grow. The accumulation of these abnormal cells is what results  in cancerous tumors that appears like ulcers on the skin. Prolong and intense exposure to the ultraviolet (UV) radiation from sunlight has been linked to the most likely cause for the mutation of the DNA in the basal cells which leads the abnormal cell growth and multiplication. People who expose themselves to the radiation of the sun for longer periods, over time, are at high risk of developing this cancer.

6 0
3 years ago
The skin is protected by the action of cells that arise from bone marrow and migrate to the epidermis. Which cells serve this fu
sladkih [1.3K]

Answer:

Langerhan's cells

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The Langerhan's cells arise from the bone marrow and migrate to the epidermis. The Langerhan's cells are the body's first line of defense and play a significant role in antigen presentation. They need special stains to be visualized and are primarily found in the stratum spinosum. These are the mesenchymal origin obtained from CD34 positive stem cells of bone marrow and are part of the mononuclear phagocytic system.

8 0
2 years ago
Which of the following types of reproductive barriers separates a pair of insect species that could interbreed except that one m
Arte-miy333 [17]

Answer:

Answer is B, habitat isolation.

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A client is admitted to the coronary care unit with atrial fibrillation and a rapid ventricular response. the nurse prepares for
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Synchroniser switch is in the "on" position.
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3 years ago
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