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Rudiy27
2 years ago
5

What unusual ability do sea cucumbers and polychaete worms have at this depth to help them find food

Biology
1 answer:
aleksklad [387]2 years ago
4 0

Answer:

Bioluminescence

Explanation:

In the deep oceans, the sea cucumbers and polychaete worms use the bioluminescence for defense against predators and to find or attract prey by glowing so the predator can easily see it's glowing skin.

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Which of the following genes would not likely be encoded on a plasmid?
raketka [301]

Answer:

gene encoding enzymes for glycolysis.

Explanation:

Plasmid may be defined as an extra chromosomal circular DNA that replicate independently of the main chromosomal material. Plasmid are generally used for the manipulation of genes in molecular technologies.

Plasmid can encode gene for toxins, antibacterial resistance and for the unusual substrate degradation. The plasmid cannot code enzyme for glycolysis because these enzymes are already present in the host organisms. Glycolysis enzymes are independent on the plasmid regulation.

Thus, the correct answer is option (3).

7 0
2 years ago
Which of the following best describes the following characteristics: water storage, clean energy, and flood prevention?
ratelena [41]
It seems that this question missed the choices which are as follows:
<span><span>A. </span></span>Positive impact of a density-dependent limiting factor<span><span /><span>B. </span></span>Positive impact of a hurricane<span><span /><span>C. </span></span>Positive impact of beavers in an ecosystem<span><span /><span>D. </span></span>Positive impacts of dams on society
The correct answer that best describes the given characteristics above which are water storage, clean energy and flood prevention is option D. Positive impacts of dams on society.
6 0
2 years ago
Read 2 more answers
BOTH acids and bases A) turn red litmus blue. Eliminate B) are a component of soaps C) donate protons to solution. D) conduct el
Alecsey [184]

C is incorrect

Both acids and bases produce ions in solution, are electrolytes, and conduct electricity in solution. Although red litmus is an indicator, it does not change color in an acid, acids are proton donors while bases are proton acceptors. Soaps often contain bases, not acids.

D) conduct electricity in water. is the correct answer

3 0
2 years ago
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Tidal fluctuations can affect the abundance of aquatic organisms in an ocean environment. which tide would have the *least* impa
Alisiya [41]
The best and most correct answer among the choices provided by the question is the third choice "neap"

Neap tides<span> occur twice a month when the sun and moon are at right angles to the Earth. When this is the case, their total gravitational pull on the Earth's water is weakened because it comes from two different directions.</span>

I hope my answer has come to your help. God bless and have a nice day ahead!
8 0
2 years ago
Ellen began forgetting where she put her purse, how to balance a checkbook, and where she left the car in the parking lot. She i
I am Lyosha [343]

Answer:

Alzheimer's disease

Explanation:

Alzheimer's disease occurs when there is a presence of abnormally structured  neurons and a reduced amount of acetylcholine in the regions of the brain involved in reason and memory. These neurons have fibrous proteins present in the form of bundles around the nucleus and amyloid plaques. Malfunctioning of these regions of the brain results in a gradual loss of reason with memory lapses. It makes the person unable to perform any type of daily activity. The given symptoms represent the fact that she is suffering from Alzheimer's disease

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2 years ago
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