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2 years ago

The largest molecules in organisms are _____. carbohydrates proteins lipids nucleic acids

Biology

2 answers:

vaieri [72.5K]2 years ago

6 0

The correct answer is nucleic acids.

The nucleic acids are RNA and DNA, they form the proteins, which are present in almost every composition and does almost every activity in the body. The nucleic acids are probably the largest molecules found in the organisms.

Of the two kinds of nucleic acids, DNA is more stable, making it less susceptible to be dissociated in comparison to the RNA.

zvonat [6]2 years ago

5 0

It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.

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Which of the following are characteristics of archaeal cell membranes that probably help them survive at very high temperatures?

torisob [31]

Answer:

Option-B, C and E

Explanation:

Archaebacteria are a group of prokaryotes which can survive the extreme conditions. The archaebacteria which can survive very high temperature are called hyperthermophiles. The hyperthermophilic bacteria can survive temperature range between 70 t 125 °C observed in hydrothermal vents.

The archaea bacteria can withstand the high temperature as their membrane is adaptive. The membrane of the archaea is more stable due to the ether linkage which makes carbon less chemically reactive. The phospholipids possess a monolayer which decreases the layer fluidity and thus the unwanted movement of molecules.

The archaea also contain cyclopentane rings in the ester-linked phospholipids which allows tight pacing of the molecules which decrease the movement of solute into and out of the cell.

Thus, the selected options are correct.

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3 years ago

Jessica's mother takes her to see her pediatrician, who refers her to a rheumatologist, a doctor who specializes in rheumatic di

beks73 [17]

Answer:

Diarthroses are freely movable joints.

Explanation:

Rheumatology may be defined as the branch of medicine that mainly deals with therapy and diagnosis of the rheumatic disease. The individual specialized in this field is known as rheumatologist.

Diarthroses joint is also known as synovial joint and lined in continuous with the periosteum of the joined bones. The synovial fluid is filled in the synovial joint. The synovial joints provide the free movable joints that allow abduction, extension and adduction of the body parts.

Thus, the correct answer is option (d).

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3 years ago

Help me please with this question

mestny [16]

Answer: A

Explanation: None of the others Pollinate except for moths, who only do at night.

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2 years ago

Read 2 more answers

What happens if p53 is mutated?

stira [4]

Answer:

Most TP53 mutations change single amino acids in the p53 protein, which leads to the production of an altered version of the protein that cannot control cell proliferation and is unable to trigger apoptosis in cells with mutated or damaged DNA. As a result, DNA damage can accumulate in cells

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2 years ago

More than half a century ago, two cell biologists published details of their research involving isolated membrane vesicles from

fiasKO [112]

Answer:

Plasma membrane is the semi-permeable membrane that allow the movement of some selected particles only against the concentration gradient or along the concentration gradient.

Different substances can be move through the diffusion, active process and passive process. The hydrogen in the vesicle has been moved through the facilitated diffusion. In this process, the hydrogen ions will move along the concentration gradient without the requirement of energy but requires the channel protein for its transport.

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2 years ago