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puteri [66]
2 years ago
9

Identify and describe a living system

Biology
1 answer:
bixtya [17]2 years ago
5 0
Living systems are open self-organizing life forms that interact with their environment. These systems are maintained by flows of information, energy and matter. Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.
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This green pigment found in plants traps energy from the sun for photosynthesis. chlorophyll chloroplast plastid peroxisome
WARRIOR [948]

Answer;

Chlorophyll

Chlorophyll is the green pigment found in plants traps energy from the sun for photosynthesis.

Explanation;

-Green plants requires food for their day to day activities, thus they use the process of photosynthesis to make their own food, which they use to generate energy or store for the future use in form of starch.

-Chlorophyll a pigment that gives plants their green color is vital during the process of photosynthesis. During the first phase of photosynthesis light dependent stage), chlorophyll traps sunlight which is used to split up water molecules to oxygen atoms and hydrogen ions, a process called photolysis.

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3 years ago
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Climate zone have different climates mostly because
attashe74 [19]
There different places so when the earth is spinning around the sun it doesn't hit everything <span />
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3 years ago
Is Hemoglobin built by carbohydrates, lipids, proteins or nucleic acids?
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Lipids? I think? Don't trust me on this one. That's my guess.

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3 years ago
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The base pairing rule for DNA is adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C).
Novosadov [1.4K]

Answer:

Uracil

Explanation:

DNA molecule is made up of monomeric nucleotides, which are of four different types viz: Adenine, Guanine, Cytosine, and Thymine. According to the COMPLEMENTARY BASE PAIRING RULE as proposed by Chargaff, these nucleotides pair in the DNA as follows: Adenine to Thymine (A-T), Guanine to Cytosine (G-C).

However, in the RNA molecule (second nucleic acid), a fifth nucleotide called URACIL is found. This URACIL replaces thymine because thymine is only found in DNA while Uracil is only found in RNA. When DNA is transcribed into mRNA, Adenine nucleotide gets transcribed into Uracil in the RNA instead of thymine i.e A to U.

6 0
2 years ago
What’s the difference between meiosis 1 and 2?
Brut [27]

Meiosis is a cellular division that produces four haploid daughter cells from a parent cell. It is observed in gametes/sex cells. The process of meiosis undergoes two consecutive divisions. Each division has five phases: prophase, metaphase, anaphase, telophase, and cytokinesis.

In Meiosis I, the chromosomes of the parent cells are multiplied. Each chromatid of the chromosomes exchanges genetic information, or <em>recombination</em>. The number of chromosomes at the end of Meiosis I is haploid but the chromatids of the chromosomes are still attached to each other. Due to recombination, the sister chromatids may not be identical to each other.

In Meiosis II, the chromosomes are separated and produce four daughter cells. It is shorter compared to Meiosis I because it no longer replicates the DNA or exchanges genetic information, and just separates the prepared chromatids from Meiosis I. It is similar to mitosis since it begins with a haploid cell and ends with a haploid cell.

8 0
1 year ago
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