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2 years ago

7

Ecology if the study of how all of the living and nonliving factors in an environment interact. Put the following levels of ecol

ogy in order from the smallest level to the largest level.
Population

Community

Biosphere

Organism

Ecosystem

1 answer:

inna [77]2 years ago

4 0

Organism, population, community, ecosystem, biosphere

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DNA replication occurs prior to meiosis and _________. mitosis cytokinesis transcription 2. Adenine with Thymine and Cytosine wi

Thepotemich [5.8K]

Answer:

1. Mitosis

2. Bases

3. Hydrogen

Explanation:

1. DNA replication occurs prior to meiosis and <u>mitosis</u>.

<em>mitosis - cytokinesis - transcription</em>

In cell division, DNA synthesis and replication is carried out during the S phase, in the interphase, a stage that occurs before mitosis and meiosis.

2. Adenine with Thymine and Cytosine with Guanine are known as the nitrogen <u>bases</u> in DNA.

<em>bonds - bases - amino acids</em>

Nucleic acids (DNA and RNA) are composed of nucleotides that contain nitrogenous bases:

<em>DNA: adenine (A), guanine (G), thymine (T), and cytosine (C).</em>

RNA: <em>adenine (A), uracil (U), guanine (G), and cytosine (C).</em>

<em />

3. <u>Hydrogen</u> bonds form and hold the DNA together.

<em>hydrogen - peptide - polar</em>

The complementary nitrogen bases are held together by hydrogen bonds:

<em>A=T (adenine pairs with thymine)</em>

<em>C=G (cytosine pairs with guanine)</em>

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2 years ago

If a plant cell is given only sunlight and water, it cant make sugars through photosynthesis why

lakkis [162]

<span>C02 + H20 -> C6H12O6 + 02
theres no co2</span><span>Sugar is made through photosynthesis by a chemical reaction within the plant’s cell. Photosynthesis takes place in the chloroplast of a cell. Light is absorbed into the cell by chlorophyll which is located in the chloroplast (an organelle in a plant cell.). The chemical reaction that produces sugar is powered by the sun’s energy. Carbon Dioxide, CO2, is absorbed by the plant through the stomata (small openings on the underside of the plants leaves) and water, H20, which is absorbed through the root hairs are combined together in a chemical reaction, which produces glucose, or the sugar that plants use for energy. The chemical formula for the process is 6CO2 + 6H2O (+ light energy) =C6H12O6 + 6O2.</span>

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2 years ago

What energy roles do organisms play in an ecosystem?

Alexxx [7]

<span>The organisms in an ecosystem fills the energy role of producer, consumer, or decomposer.</span>

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2 years ago

Bacterial cells grow and divide rapidly. In order to do this, bacteria take in nutrients through their

nordsb [41]

Bacterial cells grow and divide rapidly. In order to do this, bacteria take in nutrients through their Cell Membranes.

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2 years ago

If one strand of the DNA reads:<br> ATCCGCAT<br> What will the complementary strand be?

quester [9]

Answer:

in rna the strand would be <u> UAGGCGUA</u>

G goes with C and A goes with U ( unless there is a T within the strand already then its an A that airs up with it )

Explanation:

but if its in DNA the strand will be <u>TAGGCGTA </u>

G goes with C T goes with A

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2 years ago

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