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lawyer [7]
2 years ago
13

Which organism below has a problem in maintaining cellular electrolyte and fluid balance in its environment? Select one:

Biology
1 answer:
aksik [14]2 years ago
7 0

Answer:

C

Explanation:

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Which of the following is an adaptation that helps to defend an organism against consumers?
sweet-ann [11.9K]

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some plants have thorns some animals have spikes

Explanation:

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3 years ago
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The type of contraction in which the muscle fibers do not shorten is called
Korolek [52]

Answer:

Isometric contraction

Explanation:

The length of the muscle is changed during contraction only when the muscle tension during contraction can outstand the resistance exerted by the object to be lifted.  

During isometric contractions, the muscle tension is not sufficient to exceed the resistance of the object. Hence, there is no change in the length of the muscle. The isometric contraction does not bring about any body movements.  

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3 years ago
The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells
UkoKoshka [18]

The epidermis is a barrier to ultraviolet rays, blocking much of the cancer-causing radiation from reaching the nuclei of cells called keratinocytes.

<h3>What is keratinocytes?</h3>
  • Skin cells, also known as epidermal keratinocytes, are highly specialized epithelial cells created for a very specific purpose: separating the organism from its environment.
  • Keratinocytes, which make up the majority of the epidermis, have a variety of functions that are crucial for skin restoration.
  • They carry out the re-epithelialization process, in which keratinocytes move, multiply, and differentiate in order to reestablish the epidermal barrier.
  • The majority of the epidermis's cells, known as keratinocytes, begin in the basal layer, manufacture keratin, and help to create the epidermal water barrier by producing and secreting lipids.
  • A kind of stratified epithelium known as keratinized stratified squamous epithelium has many layers of squamous cells, or keratinocytes, with the superficial layer of cells being keratinized.
  • The skin's epidermis is made up of this kind of epithelium.

Learn more about epidermis here:

brainly.com/question/893214

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5 0
2 years ago
Which is not a major difference in the organization or content of prokaryotic and eukaryotic genomes?
bulgar [2K]

Answer:

All of the above are true

Explanation:

Organisms possess two types of genome viz; prokaryotic genome and eukaryotic genome. The eukaryotic genome is possessed by cells with a well-defined nucleus, where their genetic material (DNA). The prokaryotic genome, on the other hand, lacks a membrane-bound nucleus. The major organization or content between these two genomes are:

- Prokaryotic genomes generally have less DNA and fewer genes than eukaryotic genomes.

- Prokaryotic genomes have fewer repeated sequences and noncoding, intragenic sequences than eukaryotic genomes.

- Most prokaryotic genomes are contained in one circular chromosome while most eukaryotic genomes are contained on several linear chromosomes.

- In general, eukaryotic genomes contain many introns, repeated sequences, and transposable elements.

Based on this, all of the above options are TRUE

6 0
3 years ago
What do coral reefs do as producers? what do they create for the ocean
cricket20 [7]

Answer: Coral reefs are important to the ecosystem because they are the pillars on which marine and coastal ecosystems are built. They keep plants, fish, and animals fed. They clean up our water and protect our coasts.

Explanation: Hope it helps :)

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