Answers
Position P indicates the location of moon during a lunar eclipse. Hence, the correct statement is option B.
What is lunar eclipse?
A lunar eclipse is a celestial event that occurs during a full moon phase when the Earth passes between the Sun and the Moon, thereby, casting its shadow on the Moon which makes the moon a reddish-brown or coppery color, hence the moon is called "blood moon" during lunar eclipse.
A lunar eclipse only occurs when the Moon is in full phase and aligned with the Earth and Sun and can be visible from anywhere on the Earth. The lunar eclipse can last for several hours.
During a lunar eclipse, when Earth passes between the sun and the moon, it casts its shadow on the moon. The point at the moon's orbit where it is passing through the Earth's shadow is represented by position P which results in lunar eclipse.
Therefore, Position P indicates where the moon would be located during a lunar eclipse.
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Answer:
B. Position P
Explanation:
If it is at "Position P", the Earth blocks the moon from the light from the sun, creating an eclipse.
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Without bacteria in the environment a. adequate amounts of carbon would not be available to living organisms. b. plants would not be able to grow due to lack of nitrogen. c. bioremediation would have limited use as a tool to clean up pollutants. . d. there would be a shortage of decomposer organisms. e. All of the choices are correct.
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higher than
the normal healthy
body's result.
Why?
Answers
Athlete inhale high amount of energy s compared to normal healthy person.
The athlete's result will be higher than the normal healthy body's result for oxygen because athlete do hard activities which needs high amount of oxygen in order to release high amount of energy in the form of ATP. This energy is used by the body of athlete in their hard activities.
While on the other hand, the normal healthy person inhale less oxygen because he do normal activities and does not need high amount of energy for that activities so we can conclude that athlete inhale high amount of energy s compared to normal healthy person.
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Answer:
Explanation:Oxygen molecules absorbed by cells: The athlete's result will be
the normal healthy body's result.
b. X
c. Y
d. Z
e. A realistic substrate is not shown in the diagram.
Answers
Answer:
b.X is most likely to be the substrate
Answers
Answer:
The correct answer is B
Explanation:
Transposons need to regulate their copy number to avoid errors with chromosomal pairing during meiosis and mitosis such as unequal crossover.
A typical example of this error is called the Alu Sequence or Elements. Alu elements contain more than one million copies found everywhere in the genome of human beings.
Many inherited human diseases such as cancer are related to Alu insertions.
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Final answer:
To minimize their negative impact on a host cell's genome, transposons need to regulate their copy number. Unregulated replication could lead to harmful mutations.
Explanation:
Transposons, also known as jumping genes, are sequences of DNA that can move around to different positions within the genome of a single cell. Their movement can cause mutations, which can have negative impacts on the host cell. In order to limit their negative impact on the host cell's genome, transposons need to B. regulate their copy number. If they did not manage this, over-replication of transposons could overload the cell with unnecessary genetic material, leading to harmful mutations or even cancer.
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B) The enzymes of glycolysis are located in the cytosol of the cell.
C) Glycolysis can operate in the complete absence of O2.
D) The end products of glycolysis are CO2 and H20.
E) Glycolysis makes ATP exclusively through substrate-level phosphorylation.
Answers
Answer:
D
Explanation:
The end product of glycolysis is pyruvate. This process occurs in the cytosol of the cell in the absence of oxygen and has a net ATP production of 2 and 2 NADH. When there is no oxygen, the pyruvate is converted to lactic acid. When there is oxygen , the pyruvate is channeled to the Krebs cycle in the mitochondria where it is used to produce more ATP. The formation of ATP in glycolysis is powered by the energy in the bonds of the molecules (substrate-level phosphorylation). This is unlike in Krebs cycle where most of ATP are formed through oxidative phosphorylation. The end products of Krebs cycle is CO₂ and H₂O.
All of the following statements about glycolysis are true except the one that states- The end products of glycolysis are CO2 and H2O. So the correct option is option D.
The glycolysis process can take place when there is oxygen present (aerobic) or when there is no oxygen present (anaerobic). Pyruvate is transformed into lactic acid in anaerobic conditions. The fact that glycolysis occurs widely in other species suggests that it is an old metabolic pathway.
Glycolysis in most cells takes place in the cellular cytosol. The process of glycolysis can be divided into two stages: the investment stage, in which ATP is initially consumed, and the yield stage, in which more ATP is eventually produced.
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Jose: “Courtney I think the organisms that eat plants would just learn to eat other things. So initially they might decline in numbers but eventually, their numbers would increase back to their current amount.”
Raquan: “I have to disagree with both of you. I think that all of the organisms on the island would die, because at some point even the mammals who don’t eat plants directly would ultimately discover that what they usually ate has already died.”
Mike: “I kind of agree with Courtney, except I don’t think that all of the things that eat plants will die. I think the things that eat both plants and animals would live and only those that can’t or won’t eat animals will die.”
Keisha: “Mike is right. I would add that since there are fewer things for the larger mammals to eat that we would ultimately see fewer of them on the island.”
Alex: “I argue that organisms that eat plants would learn to swim so they can eat the seaweed and algae in the water.”
Plzz explain your reasoning!!
Answers
courtneys statement is right
Answers
Answer:
All of the above are true.
Explanation:
Microbial cells are surrounded by the plasma membrane or cytoplasmic membrane. It serves as a selective barrier allowing materials in and out of the cell e.g. allowing nutrients in and waste out.
Microbial cells grow independently, in that they are unicellular, and so do not depend on the other cells to carry out the process. However, they rely on nutrients, and in some environments, these may be nutrients produced by other organisms.
Microbial cells are unicellular, although some microorganisms are multi-cellular. Microorganisms such as bacteria are unicellular, that is, exist as single cells.
Bacteria and viruses are microorganisms.