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Zarrin [17]
2 years ago
5

What must the pea and lettuce plants take up through their roots to perfum photosynthesis

Biology
1 answer:
kvv77 [185]2 years ago
7 0

Answer: The pea and lettuce plants are leguminous plants.

Explanation:

The pea and lettuce plants must take nitrogen from the soil which they get after the symbiotic association with the nitrogen fixing bacteria. Nitrate and ammonia are the two components of nitrogen that can be taken from the soil and used as a source of nitrogen. Nitrogen is required for the growth of plant and it is the important component of chlorophyll pigment. Chlorophyll pigment is necessary for the process of photosynthesis in which the chlorophyll pigment traps sunlight energy that is involved in the splitting of molecule of water into hydrogen and oxygen.

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Wild animal attack is which type of disaster
olchik [2.2K]

Wild animal attacks should qualify as biological disasters rather than geological disasters.

Disasters generally refer to accidents that happen rather suddenly and result in widespread damages or loss of lives

  • Biological disasters are disasters whose causes have biological origins such as plants, animals, humans, and microbes.
  • Geographical disasters are caused by natural geographical events such as landslides, cyclones, hurricanes, volcanic eruptions, and so on.

Wild animals are biological organisms, hence, an attack from them would be a biological disaster.

More on biological disasters can be found here: brainly.com/question/22882474

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3 years ago
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A plant has a unique photosynthetic pigment, causing the leaves of it to appear reddish-yellow. What wavelengths of visible ligh
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Answer:

Carotenoids absorb light maximally between 460 nm and 550 nm and appear red, orange, or yellow to sight.

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3 years ago
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DNA Polymerase helps copy a DNA molecule during the process of what?
PtichkaEL [24]
The DNA polymerases are enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA. These enzymes are essential to DNA replication and usually work in pairs to create two identical DNA strands from one original DNA molecule. During this process, DNA polymerase “reads” the existing DNA strands to create two new strands that match the existing ones.

Every time a cell divides, DNA polymerase is required to help duplicate the cell’s DNA, so that a copy of the original DNA molecule can be passed to each of the daughter cells. In this way, genetic information is transmitted from generation to generation.

Before replication can take place, an enzyme called helicase unwinds the DNA molecule from its tightly woven form. This opens up or “unzips” the double stranded DNA to give two single strands of DNA that can be used as templates for replication.

DNA polymerase adds new free nucleotides to the 3’ end of the newly-forming strand, elongating it in a 5’ to 3’ direction. However, DNA polymerase cannot begin the formation of this new chain on its own and can only add nucleotides to a pre-existing 3'-OH group. A primer is therefore needed, at which nucleotides can be added. Primers are usually composed of RNA and DNA bases and the first two bases are always RNA. These primers are made by another enzyme called primase.

Although the function of DNA polymerase is highly accurate, a mistake is made for about one in every billion base pairs copied. The DNA is therefore “proofread” by DNA polymerase after it has been copied so that misplaced base pairs can be corrected. This preserves the integrity of the original DNA strand that is passed onto the daughter cells.



A surface representation of human DNA polymerase β (Pol β), a central enzyme in the base excision repair (BER) pathway. Image Credit: niehs.nih.gov

Structure of DNA polymerase

The structure of DNA polymerase is highly conserved, meaning their catalytic subunits vary very little from one species to another, irrespective of how their domains are structured. This highly conserved structure usually indicates that the cellular functions they perform are crucial and irreplaceable and therefore require rigid maintenance to ensure their evolutionary advantage.

7 0
3 years ago
An organism starts out as a single cell that makes identical copies of itself.<br><br> true or false
Zinaida [17]
True I think I'm not sure tho
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Known as the _____ vegetables, cabbage, cauliflower, broccoli, and brussels sprouts contain a variety of phytochemicals that def
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Answer:

Cruciferous

Explanation:

Their consumption is linked with lower rates of cancer and is believed to be associated with their sulfur containing phytochemicals

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