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pshichka [43]
3 years ago
10

In bacteria, the antibiotic chloramphenicol prevents amino acids from bonding. The MOST likely reason that bacteria die from tre

atment with chloramphenicol is because the antibiotic
Biology
1 answer:
iris [78.8K]3 years ago
8 0

Answer& explanation:

The mechanism of action of chloramphenicol can be explained as follows:

Chloramphenicol binds to the 50S subunit of the ribosome, inhibiting the protein synthesis of the bacteria, thus having bacteriostatic action (inhibiting the growth of bacteria, preventing their proliferation).

In addition, chloramphenicol can be bactericidal (destroys bacteria) when in high concentrations, or when used against highly sensitive microorganisms, such as <em>Haemophilus influenzae</em> and <em>Streptococcus pneumoniae</em>. The mechanism of action for these bacteria, however, is not yet elucidated.

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Eukartyotic cell are more complex than prokaryotic cell
Elis [28]

Answer:

Eukaryotic cells are generally larger and more complex than prokaryotic cells. They also contain a variety of cellular bodies called organelles. The organelles function in the activities of the cell and are compartments for localizing metabolic function.

Explanation:

8 0
1 year ago
Explain how meiosis promotes variation in a species.
SCORPION-xisa [38]
In meiosis, the chromosome pairs do the crossing over where there is an exchange of genetic material between them and because of it the chromatids held together by the centromere are no longer the same.
7 0
3 years ago
A biologist at World University used Procedure IV to conduct an additional study and found the sequence following below. Using y
Nady [450]

Answer:

Valine-Leucine-Proline-Lysine-Histidine

Explanation:

The central dogma of biology is the process by which DNA is used to synthesize RNA and subsequently amino acid sequence (PROTEIN). The processes of transcription and translation is used in gene expression. Transcription is the process whereby the information encoded in a DNA molecule is used to synthesize a mRNA molecule. Transcription is catalyzed by RNA polymerase enzyme, which uses complementary base pairing rule i.e Adenine(A)-Thymine(T), Guanine(G)-Cytosine(C) pairing.

N.B: Thymine is replaced by Uracil in the mRNA

For the above DNA sequence: CAC GAC GGA TTC GTA, the mRNA sequence will be: GUG CUG CCU AAG CAU

Translation is the second process of gene expression which involves the synthesis of an amino acid sequence from an mRNA molecule. The mRNA is read in a group of three nucleotides called CODON. Each codon specifies an amino acid (see attached image for genetic code)

Based on the attached genetic code, an mRNA sequence: GUG CUG CCU AAG CAU will encode an amino acid sequence: Valine(Val) - Leucine (Leu) -Proline (Pro) -Lysine (Lys) - Histidine (His).

GUG specifies Valine amino acid

CUG specifies Leucine amino acid

CCU specifies Proline amino acid

AAG specifies Lysine amino acid

CAU specifies Histidine amino acid

5 0
3 years ago
7. The energy of carbohydrates is stored in
LuckyWell [14K]

Answer: D. Peptides

Explanation:

6 0
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As a result of worldwide human population growth, many countries are exploring the use of alternative energy sources. One
kaheart [24]

Answer:

A.  Nuclear reactors increase thermal pollution

Explanation:

From the analogy provided in this context, we can vividly see that the author is suggesting that the use of nuclear energy causes thermal pollution.

  • Nuclear energy is an alternate energy source as identified in the text.
  • Since a huge amount of heat energy is generated and they are not all used up, they are released into the ecosystem.
  • The earth is usually depicted as heat reservoir.
  • Increased release of heat to the environment will cause thermal pollution.
  • This increases the ambient temperature of water and degrades it.
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3 years ago
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