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Archy [21]
2 years ago
5

Which of the following is not an example of lipids?

Biology
1 answer:
hodyreva [135]2 years ago
5 0
Hey I’m gonna is the day you can go sit back and watch the science and go sit on the
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What is a biome? View available hint(s) what is a biome? A specific set of abiotic factors a major type of ecosystem a set of si
IceJOKER [234]
A large and naturally occurring community of flora and fauna occupying a major habitat
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3 years ago
A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily.
aalyn [17]

your answers are b., travel, & E., loosely packed soil

6 0
3 years ago
Viral DNA makes mRNA by the process of _____. Viral DNA makes mRNA by the process of _____. replication infection translation ly
Pachacha [2.7K]
<h2>The correct answer is: Transcription.</h2>

Explanation:

  • Viruses do not possess any machinery necessary for the purpose of their reproduction.
  • They only possess their genetic material enclosed within a capsid structure.
  • The capsid is constituted of glycoproteins.
  • They completely depend upon the components and organelles of the host cells whom they infect to help them carry out their reproduction process.
  • After infecting a host cell, the viruses hijack all the machinery and components of the host cell and use them for the purpose of transcribing their genetic material (DNA or deoxyribonucleic acid) to produce the virus-specific mRNAs (messenger Ribonucleic Acid).
  • These mRNAs are further translated into virus-specific proteins using the host-specific Ribosomes. These virus-specific proteins are required for replicating the viral genetic material and producing the capsid structure.
  • The virus-specific proteins and glycoproteins are synthesized by utilizing the raw materials from the host cells.
  • Transcription is the process by which an enzyme called RNA polymerase or DNA dependent RNA polymerase copies the protein coding region of the DNA (gene) in the form of an RNA sequence (mRNA).
  • The synthesis of the mRNA happens in the 5' to 3' direction. This mRNA is further recognized and converted into the amino acid sequence with the help of the Ribosome.
  • The amino acid sequence folds to give rise to the protein.
3 0
2 years ago
If a radioactive substance's half-life is 20 years, how much of a 40-gram sample will be left after 60 years? A. 5 grams B. 10 g
tatiyna
60 years is three half life for the substance, so 40*1/2^3=5
6 0
3 years ago
Read 2 more answers
Beriberi is caused by a deficiency of thiamine in the diet.
denis23 [38]

Answer:

Thiamine pyrophosphate  (derived from vitamin B1) is a coenzyme required for the activity of pyruvate dehydrogenase enzyme complex.

Explanation:

Pyruvate is the end product of glycolysis. During aerobic cellular respiration, pyruvate is oxidatively decarboxylated into acetyl CoA which in turn enters the Kreb's cycle. Oxidative decarboxylation of pyruvate is carried out by enzyme complex pyruvate dehydrogenase (PDH). The first step is simple decarboxylation and is catalyzed by pyruvate decarboxylase of the PDH complex.

The enzyme pyruvate decarboxylase and has a tightly bound coenzyme, thiamine pyrophosphate. Thiamine pyrophosphate is derived from vitamin B1. Lack of vitamin B1 in the human diet leads to beriberi that is characterized by an increased concentration of pyruvate in blood urine since oxidative decarboxylation cannot occur due to lack of the coenzyme thiamine pyrophosphate.

3 0
3 years ago
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