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3 years ago

Answe me if you can, thank you

Biology

1 answer:

NikAS [45]3 years ago

3 0

<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2>

Chloroplasts are found in Eukaryotic Autotrophs i.e. those who can make their own food with the help of sunlight using carbon dioxide and water. Eukaryotes are Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope.

<h2>_____________________________________</h2><h3>Example:</h3>

The Example of Eukaryotic Autotrophs are Plants and Algae. They are the producers in the food chain also the main source of the oxygen, as they use Carbon Dioxide for a glucose's carbon structure and releases oxygen as By-Product.

<h2>_____________________________________</h2><h3>Why are they green?</h3>

Chloroplasts get their green color by the presence of chlorophyll, which is the main site for the process of photosynthesis. It is a green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll absorbs mostly in the blue and all the other colors to the lesser extent while reflecting green. They are present in leaves, and as the chlorophyll reflect green color, Thus the leaves look green to us.

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />

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Novosadov [1.4K]

Answer:

occurs in metaphase I - is random chromosome alignment resulting in variation.

occurs during sexual reproduction - fuses gametes to form offspring with genes from each parent

occurs in prophase I - exchanges genetic information between non-sister chromatids

Metaphase I is a stage of meiosis I during which chromosomes are randomly aligned at the metaphase plate. The chromosomes are randomly distributed into two daughter cells after meiosis I. Random segregation of chromosomes adds genetic variation in a population.

Sexual reproduction involves the formation and fusion of gametes. Each gamete is contributed by each parent. The fusion of these gametes results in the formation of a new combination of genes which are different from either parent.

Prophase I is the first stage of meiosis I during which the event of crossing over takes place. Crossing refers to the exchange of genetic material between non-sister chromatids of homologous chromosomes.

4 0

3 years ago

Although the proteins that cause the E. coli chromosome to coil are not histones, what property would you expect them to share w

oksano4ka [1.4K]

Answer:

Positively charged ions

Explanation:

Histones are a group of proteins with a N-terminal end of an amino acid, that binds to the DNA in the nucleus helping it to condense into Chromatin. DNA wraps around a core of proteins to initially form the NUCLEOSO ME structure, which is the basic subunit of Chromatin. Each nucleosome is made up of DNA coiled around two copies (2) of proteins- H2A, H2B, H3 and H4, to form a set of eight proteins called histone octamer.

Due to the phosphate group (PO4-) embedded in the DNA molecule, they assume a negative charge. The positively charged ions of the N(C) terminal end of histones which arise from the amino acid group they contain allows it to bind tightly to negatively charged DNA i.e. the more positively and negatively charged the histone and DNA are respectively, the tighter the binding.

Due to this property, the proteins that binds to DNA in E.coli, should possess a positive charge in similarity to histones in eukaryotes.

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4 years ago

An important piece of information for meteorologists is the ratio of the amount of water vapor in the air to the amount of water

aleksandrvk [35]

Answer:

Explanation:

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3 years ago

The photograph shows rock weed which feature allows rock weed

Sidana [21]

Answer:

Rock weeds are the weeds which are grown in the surface of the rock which has a lot of moisture in around it and also may be affected by a lot.

Explanation:

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3 years ago

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MrRa [10]

Answer:

I think your answer is D.

6 0

3 years ago