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Mariana [72]
3 years ago
8

Why does earth experience seasons

Biology
1 answer:
Nuetrik [128]3 years ago
8 0

Answer:

Explanation:

The Earth's axis is titlted so this means that it is pointing to one side of the Sun as it orbits it over a year-long period.

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Which one of the codons below would stop the translation of mRNA by ribosomal subunits?
Ostrovityanka [42]

Answer:

The correct option is D) UAG, UAA, UGA

Explanation:

The amino acid sequencing code or mRNA code contains specific codes which start and stop the process of translation at the right time. If the stop codon were not present then the ribosomal machinery would have made faulty proteins. If the stop codons are not at the right place, then it results in the production of faulty proteins. The stop codons which terminate the process of translation are UAG, UAA and UGA.

5 0
2 years ago
A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environment
Igoryamba

Answer:

The researcher's claim is in the same way of the observation made because from it it is inferred that in a population of bacteria with genetic variation, in which some of them have plasmids and others do not, the population survives because those bacteria with plasmids are resistant to antibiotics, if for example there were only bacteria without plasmids all bacteria would die when using antibiotics so this is an example that genetic diversity is an evolutionary advantage

5 0
2 years ago
Read 2 more answers
In this metabolic process, the enzyme RNA polymerase binds RNA nucleotides (the substrates) together by catalyzing the formation
stira [4]

Answer:

TRANSCRIPTION

Explanation:

Transcription is the first process that occurs in the expression of a gene. It involves the synthesis of a mRNA molecule from a DNA template. The DNA molecule, which is located in the nucleus of an eukaryotic cell, is bound to by an enzyme called RNA polymerase in order to synthesize an mRNA molecule/strand.

RNA polymerase synthesizes a mRNA molecule using complementary base pairing rule i.e. Uracil base (U) is synthesized when Adenine (A) is read, Adenine when Thymine (T) is read, Guanine (G) when cytosine (C) is read, Cytosine when guanine is read. These nucleotide bases are then joined together via chemical bonding.

In a nutshell, RNA polymerase catalyzes the formation of a bond between the backbone sugar of one nucleotide base to the backbone phosphate of another nucleotide base in the metabolic process of TRANSCRIPTION.

3 0
3 years ago
A human skin cell is observed. It is found to have two distinct nuclei each having 46 unreplicated chromosomes. These observatio
Andru [333]

Answer:

c

Explanation:

8 0
2 years ago
Compare and contrast natural selection and artificial selection. PLEASEEE THANKYOU!!!
Dmitrij [34]

Answer:

the favorable traits to be passed on to the next generation are chosen by the breeder.

Explanation:

i had this question before

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