Answer: Characteristics of viral particles from the options given are;
1. Parasitic obligate.
2. The centre layer is predominate protein.
3.Genome may be RNA exclusively.
The characteristics of living cells are:
1 . May have cell wall.
2. Contain ribosomes.
3. Always of plasma.
Explanation:
Living cells are the basic unit of life, that contain the fundamental molecules in which the living things are composed of. Living cells have plasma membrane, ribosomes, cytoplasm and DNA.
Viral particle is a structure or infectious agents that enter another cell and replicates itself in a living cell. The are obligates parasite, that have no cell wall, they have center layer of protein, the genome contain either DNA or RNA, they reproduce only in living cells, they lack cytoplasm and organelles.
Answer:
A. NADH and FADH2 both donate electrons at the same location.
Explanation:
In the respiratory chain, four large protein complexes inserted into the mitochondrial inner membrane transport NADH and FADH₂ electrons (formed in glycolysis and the Krebs cycle) to oxygen gas, reducing them to NAD⁺ and FAD, respectively.
These electrons have great affinity for oxygen gas and, when combined with it, reduce it to water molecules at the end of the reaction.
Oxygen gas effectively participates in cellular respiration at this stage, so its absence would imply interruption of the process.
NADH and FADH₂ electrons, when attracted to oxygen, travel a path through protein complexes, releasing energy in this process.
The energy released by the NADH and FADH₂ electrons in the respiratory chain in theory yields <u>34</u> <u>ATP</u>, however, under normal conditions an average of 26 ATP molecules is formed.
If we consider that these 26 molecules are added to the two ATP formed in glycolysis and two ATP formed in the Krebs cycle, it can be said that cellular respiration reaches a maximum yield of 30 ATP per glucose molecule, although theoretically this number was 38 ATP per glucose molecule.
It shouldn’t become cancerous if the cell cycle is not damaged. When changes in the chromosomes are detected by the cell, it will enter the G0 stage of interphase and will no longer divide.
independent variables = amount of compost
dependent variables = number of each type of sprout and average height of sprout
Explanation:
Variables are usually measured and changed during the process of an experiment. They often are classified into two part;
- Independent variables are the ones that are often intentionally manipulated in an experiment. They can be viewed as the cause of phenomenon in an experiment. Here, it is the amount of compost added.
- The dependent variables are the measure responses. They can be tagged as the effects produced by the independent variables. The average height of sprout and number of each type of sprout are dependent on the amount of compost applied to it.
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Answer:
The songs will become more similar to each other.
Explanation:
Speciation may be defined as the process of formation of new species by the external or internal force. Two main types of speciation are allopatric speciation and sympatric speciation.
Two frog population belongs to the same species that lives two neighboring lakes. The irrigation makes the pond wetter and connect the two species. The songs of the two species tends to be more similar in both species s singing is genetic basis and allows the mating between two species.
Thus, the correct answer is option (c).
