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Verdich [7]
3 years ago
8

The primary pigments contained in the epidermis are

Biology
1 answer:
velikii [3]3 years ago
5 0

Answer:

The color of skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis.

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Which of the following is not a benefit of genetically modified foods?
Alchen [17]

Answer:

C. Plants that do not require water?

Explanation:

This is definitely not a benefit of genetically modified foods lol

6 0
3 years ago
Which of the following statements is true? The Challenger Deep was explored by Picard and Walsh. Data from Jason-1 will help sci
SIZIF [17.4K]
<span>In this case, all these statements are true. Salinity is the salt in the water. Jacques Piccard and Lt. on Walsh were the first people to explore the deepest part of the worlds ocean known as the Mariana Trench in The Challenger Deep, and Jason 1 is a satellite released by NASA to monitor world ocean circulation and study the way the atmosphere and ocean interact with each other to improve the predictions for the climate when it comes to major weather events like El Nino.</span>
7 0
3 years ago
Which of the following statements is/are true of long noncoding RNAs? Choose one or more: a. They can trigger the activity of hi
Alinara [238K]

Answer: Options A, B, C and D are correct.

Explanation: They can trigger the activity of histone acetyltransferases.

These RNAs functions by binding to histone-modifying complexes, to DNA binding proteins (including transcription factors), and even to RNA polymerase II.

They can silence genes by promoting the formation of euchromatin by arranging hetero- or euchromatic regions into close proximity may stabilize these domains or it may control the spreading of post-translational modifications (PTMs) to nearest chromatin.

They are actively involved in X chromosome inactivation.

They can regulate the translation and stability of mRNAs.

In Eukaryotic cells RNA transcription is a closely regulated process. Transcription of a lncRNA may regulate the transcription of nearby mRNA genes, either positively (maintaining active chromatin structure) or negatively (for example, colliding polymerases). In these cases, the RNA product may have no importance at all, or it could have an additional function.

8 0
3 years ago
What is one way that calcitonin and parathyroid hormone maintain homeostasis
Sergeu [11.5K]

Answer:

Calcitonin stimulates the kidneys to absorb calcium when calcium levels are too low, while parathyroid hormone stimulates the kidneys to excrete calcium when calcium levels are too high.

Explanation:

5 0
3 years ago
Darin wanted to make amino acids. He took the protein collagen and heated it to the point of denaturation at physiological pH. W
Svetllana [295]

Answer:

No, because he will not have broken covalent bond.

Explanation:

Denaturation  is the process adopted to affect or alter the chemical structure of a protein. This can be done or achieved by heat or addition of acid.

Denaturation can't break the peptide bond of the protein , this means that the , amino acid sequence is unaffected after the process.

Physiological pH is the pH Darin won't be able to have amino acid because the pH at which denaturation was being carried is basic, while the process requires acidic medium.

Collagen is a form of protein that can be found in the body.

8 0
3 years ago
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