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ad-work [718]
3 years ago
8

Which best describes a difference between transcription and dna replication

Biology
2 answers:
Naily [24]3 years ago
7 0
DNA replication involves synthesis of DNA molecules, while transcription is a process that involves synthesis of RNA molecules. In both processes, DNA acts as template and provides information for synthesis of new daughter DNA or RNA strand.
aleksley [76]3 years ago
4 0
Transcription makes the dna , dna replication doesn’t
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Clostridium, Lactobacillus, and Propionibacterium all A. use sulfur compounds as terminal electron acceptors.B. oxidize inorgani
Ira Lisetskai [31]

Answer:

Oxidize organic compounds AND use organic compounds as terminal electron acceptors. (Ans. E)

Explanation:

Anaerobes are the organism that does not require oxygen for their growth. The anaerobes are subdivided into three main classes:

1) Obligate anaerobes: These organisms use anaerobic metabolism to grow and killed in the presence of oxygen. Obligate anaerobe examples are Clostridium and Propionibacterium.

2) Facultative anaerobes: These organisms prefer to grow using aerobic metabolism processes and switch to anaerobic metabolism in the absence of oxygen. An example of facultative anaerobic bacteria is Lactobacillus.

3) Aerotolerent anaerobes: These organisms use anaerobic metabolism to grow and can survive in both conditions (oxygen and oxygen-free environment).

Anaerobic bacteria, oxidize organic compounds rather than oxygen & use organic compounds as terminal electron acceptors. Anaerobic bacteria release hydrogen sulfide gas as they decompose algae in the water. This process is also known as Anaerobic Respiration, in which formation of ATP without oxygen.

3 0
3 years ago
Compare the energy flow in photosynthesis to the energy flow in cellular respiration.
lord [1]
Cellular respiration<span> enables the cell to produce 34 ATP molecules per glucose molecule in addition to the 2 ATP molecules obtained from glycolysis. ... </span>Compare the energy flow in photosynthesis to the energy flow in cellular respiration<span>.</span>
3 0
3 years ago
Which of the following is NOT a way that genetic variability can be introduced into sexually reproducing organisms?
mariarad [96]

Answer: A.Independent assortment

Explanation:

The other three can be introduced into sexually reproducing organisms.

6 0
3 years ago
Degeneration of the dopamine-releasing neurons of the ________ is the ultimate cause of Parkinson's disease. Degeneration of the
slavikrds [6]

Answer:

a. substantia nigra

b. substantia nigra (it is repeated)

Explanation:

Parkinson's disease is a neurodegenerative disease that is caused by the death of neurons that release the neurotransmitter dopamine in the <u>substantia nigra</u>, or locus niger, -a region of the brain that regulates brain circuits that give the 'orders' to initiate voluntary movements- .

The lack of this neurotransmitter leads to the occurrence of the main symptoms suffered by patients: decreased movements, muscle stiffness, postural instability and tremor. These failures are generated by the abnormal way in which neurons work in the absence of dopamine through a mechanism that is not known in depth.

It is the second most frequent neurodegenerative disease, after Alzheimer's disease, with a prevalence of 2% in people over 65 years. The characteristic symptoms of stiffness, bradykinesia and tremor are associated with losses of neurons in the substantia nigra and dopamine depletion in the striatum. There are large cytoplasmic inclusions, called Lewy bodies, which are the pathological mark of the disease and appear predominantly in neurons that contain melanin of the nigra substance. Genetic studies in a subgroup of families with Parkinson's disease with autosomal dominant inheritance found a locus on chromosome 4q-21 23 and a mutation in the gene that encodes a synaptic protein, α-synuclein.

7 0
3 years ago
An immune system cell called the plasma cell produces thousands of antibodies (a type of protein) per second for release into th
Olenka [21]

Answer:

a. the rough endoplasmic reticulum

Because it is the site of protein synthesis.  

and all of the other organelles have no relation to protein and handling especially peroxisomes which detoxifies h202 and helps with intracellular digestion similar to the lysosomes and microtubules only function is for locomotion of prokaryotic cells and some eukaryotic cells like the sperm cell also they make up spindle fibers used to bind and separate chromosomes/chromatids in mitosis and meiosis.

5 0
3 years ago
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