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iren2701 [21]
3 years ago
10

Which statement accurately describes the outer planets

Biology
1 answer:
lilavasa [31]3 years ago
5 0

Answer:

the outer planet have thin atmosphere

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Describe the difference between a food chain and a food web. Which most resembles what is found in an ecosystem?
Leto [7]
"A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. ... Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems."
6 0
3 years ago
A science researcher has developed a computer model of the process of DNA replication in a eukaryotic cell. The model includes t
wel

Answer:  Identify the promoter and the stop signal (terminator).

Explanation:

DNA is a molecule that contains the genetic information in all living things. This information is used for the synthesis of proteins that make up the body and carry out vital functions of the organism.

The DNA molecule consists of two strands that wind around each other to form a double helix structure, where each strand has a central part formed by sugars (deoxyribose in the case of DNA) and phosphate groups. The four basic components of DNA are nucleotides: adenine (A), thymine (T), guanine (G) and cytosine (C). The nucleotides are joined together (A to T and G to C) by chemical bonds and form base pairs that connect the two strands of DNA. Depending on the sequence of nucleotides (which have different bases), different proteins are synthesized.

<u>DNA replication consists of synthesizing another identical DNA molecule, using enzymes called polymerases, which are molecules specifically dedicated only to copy DNA. Transcription, on the other hand, is the process by which a copy of messenger RNA (mRNA) is generated from the sequence of a gene in the DNA. </u>This RNA molecule leaves the cell nucleus and enters the cytoplasm, where it directs protein synthesis (a polymer made up of many amino acids).

<u>Protein synthesis, or translation, involves translating the sequence of an mRNA molecule into an amino acid sequence during protein synthesis.</u> The genetic code describes the relationship between the sequence of base pairs in a gene and the corresponding sequence of amino acids it encodes. To begin translation, a start codon (set of 3 bases) must first be identified, which is usually AUG that also codes for the amino acid methionine. Then, the codons that follow are read and the corresponding amino acids are added according to the genetic code. The transfer RNA (tRNA) is complementary to the anticodon at specific codons in the messenger RNA and carries the amino acid coding for the codon. In addition, ribosomal RNA (rRNA) is an RNA that is part of ribosomes and is essential for protein synthesis in all living things. rRNAs form the framework of ribosomes and associate with specific proteins to form ribosomal pre-subunits. To finish the translation, a termination codon has to be read, which can be UGA, UAG or UAA.

To revise the model to show transcription to form mRNA, the research should identify the promoter and the stop signal. The promoter is a DNA sequence required to turn a gene on or off. The transcription process starts at the promoter which is usually located near the beginning of a gene and has a binding site for the enzyme that is used to make a messenger RNA (mRNA) molecule. The enzyme RNA polymerase will keep doing the transcription until it reaches a sequence of DNA that is signal which indicates it should stop. This process is called termination, and it happens once the enzyme reaches this sequence, called terminator.

8 0
3 years ago
How is an individual palm tree growing in a tropical forest called
castortr0y [4]

Answer:

Organism

Explanation:

An individual palm tree grown in a tropical forest is regarded as an organism. This answer is gotten from the definition of an organism. An organism is defined as an individual living thing, which could be an animal, a plant, or a one celled creature. An individual palm tree is an organism because individually bit has all properties of life and can respond to stimulus.

6 0
3 years ago
Things of the same species have similar morphology and can ____
STALIN [3.7K]
Things of the same species have similar morphology and can INTERBREED
6 0
3 years ago
Name two rocks that would react to hydrochloric acid and why?
Vadim26 [7]

Answer:

Azurite and Magnesite react with hydrochloric acid.

Explanation:

These 2 rocks contain the carbonate mineral calcite dolomite. Carbonate minerals are unstable in contact with hydrochloric acid. When acid begins to effervesce (fizz) on a specimen, a reaction takes place and bubbles of carbon dioxide evolve, thus indicating the presence of minerals like calcite dolomite.

Hope my answer is correct and helpful :)

8 0
3 years ago
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