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Pepsi [2]
3 years ago
5

Do annelids have internal or external shell?

Biology
2 answers:
ella [17]3 years ago
7 0
Annelids have either internal nor external shell
n200080 [17]3 years ago
6 0


Annelids have neither an external or an internal shell.  Examples of annelids are

earthworms and leeches. 

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Ne4ueva [31]

Answer:

mRNA: UUGGACCGGUACCUG

Codon: UUG GAC CGG UAC CUG

Anti-codon: AAC CUG GCC AUG GAU

Amino Acids: Asn-Leu-Ala-Met-Asp

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3 years ago
How does oxygen enter a cell?
tester [92]

Answer:

C

Explanation:

YU YUIO VBN HFDGH HK  BHHK;BBN

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3 years ago
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What are chemicals used to soften polyvinyl chloride (PVC) plastic found in a variety of products, such as detergents, cosmetics
ASHA 777 [7]

Answer:

The correct answer is option B, that is, phthalates.

Explanation:

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1. Inhalation of fragrances or fumes from fixatives and solvents,  

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3. Through the absorption of perfumes, lotion, and deodorants.  

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5 0
3 years ago
Pharmaceutical companies are increasingly interested in the orexin system. Which of these depressed patients would benefit most
malfutka [58]

Pharmaceutical companies are increasingly interested in the orexin system for a patient who reports sluggishness and lethargy which impacts their daytime work

A syndrome when victims are unable to sustain regular levels of daytime wakefulness We have made significant advancements in our comprehension of the physiology and operation of the orexin system since these early foundational studies. For instance, the orexin system has been recognized as a crucial modulator of attention, arousal, reward, and neuroendocrine function. Notably, research on animals indicates that orexin function dysregulation is linked to neuropsychiatric conditions including addiction and mood disorders like despair and anxiety.

Learn more about Orexin: brainly.com/question/10607466

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4 0
1 year ago
Which cells uses mitosis and meiosis
slega [8]

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Somatic cells use mitosis

Explanation:

somatic cells are body cells or skin cells

5 0
3 years ago
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