Answer:
C
Explanation:
The stages of replication is Attachment, Penetration and Replication
The following information should be considered:
The common steps in both cycles are given below:
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Answer:
Attachment, Penetration and Replication
Explanation:
A bacteriophage is a virus that attacks bacterial cells. The lytic and lysogenic cycles are two methods of viral replication. In the lytic cycle, the virions produced are released from the host cell whereas in the lysogenic cycle, viral nucleic material are incorporated into host nucleic material and are copied to daughter cells when the host cell reproduces. The common steps in both cycles are given below:
1 Attachment – in this step, the bacteriophage attaches itself to the surface of the host cell so as to insert its DNA into the host cell.
2. Penetration – the virus inserts its DNA into the host cell by penetrating the cell membrane of the host cell.
3. Replication – the viral nucleic material is replicated using the host cell's replication mechanism.
Sequence
Snow and ice
Global temperatures rise
Sea level rises
Sources emit greenhouse gases
Sources emit greenhouse gases.
Global temperature rises.
Snow and ice.
Sea level rises.
Climate change is the critical alteration in the measures ofclimate, such as temperature, rainfall, or wind lasting for an drawn-outperiod. It can result from factors morerecently from human exercises through greenhouse gas emissions. The"greenhouse effect" changes the composition of the atmosphere and trapsheat increasing the global average temperatures. Snow and ice, which helpsregulate the Earth's surface temperature, melts and fills reservoirs and otherbodies of water, causing a rise in sea level.
B. Thiamine pyrophosphate
C. Biotin
D. FAD
Answer: Option B.
Thiamine pyrophosphate.
Explanation:
Pyruvate dehydrogenase is an enzyme that catalyses the oxidative decarboxylation of pyruvate to acetyl coA , NADH and CO2. Pyruvate dehydrogenase uses NAD, biotin, FAD and lipoic acid.
Thiamine pyrophosphate is not a cofactor for pyruvate dehydrogenase . It is a cofactor in living systems. Thiamine pyrophosphate is a coenzyme that function in carbohydrates, Amino acids and lipids metabolism.
Biotin is not a cofactor in the reaction catalyzed by pyruvate dehydrogenase. NAD+, Thiamine pyrophosphate, and FAD do function as cofactors in this reaction.
The cofactors used in the reaction catalyzed by pyruvate dehydrogenase are NAD+, Thiamine pyrophosphate, and FAD. The compound that is not used as a cofactor in this reaction is Biotin. Biotin functions as a cofactor for carboxylase enzymes, and it is involved in fatty acid synthesis and gluconeogenesis but not in the process involving pyruvate dehydrogenase.
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Answer:
24 % Thymine (T)
Explanation:
Chargaff's rules indicate that in double-stranded DNA, the proportion of Adenine (A) is equal to the proportion of Thymine (T), while the proportion of Guanine (A) is equal to the proportion of Cytosine (C). Since double-stranded DNA has 24% A, it means there will be 24% T.
Moreover, in this case, the A + T content in the double-stranded DNA is 24 + 24 = 48%, while the G + C content is 48 - 100 = 52%, i.e. G = 26% and C = 26% (26 + 26 = 52).
In DNA, the amount of adenine is always equal to the amount of thymine due to the base pairing rules or Chargaff's rules. Therefore, if a DNA helix has 24% adenine, there would be 24% thymine as well.
In DNA, the amount of adenine (A) is always equal to the amount of thymine (T) due to the base pairing rules, a principle proposed by scientists James Watson and Francis Crick. This principle, often referred to as Chargaff's rules, states that DNA from any cell of all organisms should have a 1:1 ratio of pyrimidine and purine bases. Therefore, if a DNA helix has 24% adenine, there would be 24% thymine present as well.
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(b) Electrical-->Chemical-->Chemical
(c) Chemical-->Electrical-->Chemical
(d) Electrical-->Chemical-->Electrical
Answer:
(d) Electrical-->Chemical-->Electrical
Explanation:
A nerve impulse is the transmission of an electrical change along the neuron's membrane from the point at which it is stimulated (synapse). The normal direction of impulse in the body is from the cell body to the axon. This nerve impulse, or action potential, is a sudden and rapid change in the transmembrane potential difference.
Normally, the membrane of the neuron is polarized at rest, which means that the ionic constitution of the medium internal to the membrane is different from the external medium, which generates different electrical charges in one medium and the other, so this difference, ie , the potential during rest is negative (-70 mV). The action potential thus consists of a rapid reduction of membrane negativity to 0mV and inversion of this potential to about + 30mV, followed by a rapid return to values slightly more negative than the resting potential of -70mV.
Nervous impulse or action potential, therefore, is a phenomenon of an electrochemical nature and occurs due to changes in the permeability of the neuron membrane. These permeability modifications allow ions to pass across the membrane. Since ions are electrically charged particles, changes also occur in the electric field generated by these charges.
Thus, we can say that the correct answer to this question is: Electrical -> Chemistry -> Electrical
Answer:d
Explanation:
Answer: 3.88889 degrees Celsius
Explanation: 3.88889 degrees Celsius