Which molecule is considered the major energy carrier molecule for all cells? Se
ID: 99945 • Letter: W
Question
Which molecule is considered the major energy carrier molecule for all cells? Select one: a. NAD b. FAD c. DNA d. ATP e. Water Which of the following reactions requires oxygen? Select one: a. Gycolysis b. Fermentation c. Cellular respiration d. Photosynthesis e. All of them do Which of the following sources could be used for DNA forensic analysis to determine the like hood of a particular person being present at a crime scene? Select one: a. Skin cells b. Blood c. Hair follicle d. Saliva e. a of the above Which of the following statements about genetically modified organisms (GMOs) is INCORRECT? Select one: a. Bacteria are often genetically modified in nature by other bacteria or viruses b. Genetically modifying agricultural food crops is not allowed in the United States c. Over 90% of corn and soybeans have been genetically modified d. Pollen from a genetically modified plant could pollinate a wild plant and potentially create a 'super weed' e. Some genetically modified crops are resistant to herbicides Which of the following statements about water is a false statement? Select one: a. Polar and ionic molecules dissolve in it b. It is part of a living organisms c. It has low specific heat, so a small amount of heat will increase its temperature d. It can be acidic, basic or neutral in pH e. The atoms comprising water do not equally share electronsExplanation / Answer
1.Answer is d.ATP
ATP molecule is considered as the major energy carrier molecule for all the cells.
ATP is adenosine 5- tri phosphate and it contains the 3 phosphate groups, nitrogen base adenine and a ribose sugars.
Energy is released in the form of ATP during biosynthesis of metabolic pathways.
2.Answer is c. cellular respiration.
Cellular respiration is a type of aerobic respiration that means the reaction in which oxygen is involved.
Cellular respiration is break down of organic molecule and producing ATP molecules.
3. Answer is E. all the above.
Skin cells, blood, hair follicles,saliva,urine,semen, bone,tissue are the sources that could be used in DNA forensic analysis to determine the likelihood of the person present at the crime scene.
DNA profiling is the technique of DNA forensics that can be used to identify the individuals by characteristic of DNA.
4.Answer is E.some genetically modified crops are resistant to herbicides.
Transfer of genes are used to make herbicide resistant crops.
Genetically modified plants are the plants in which DNA is modified by genetically engineered methods.
Farmers who adopted genetically modified crops gain 69 profits.
5. Answer is C. It has low specific heat so as small amount of heat will increase its temperature.
Water has very high specific heat and by this we can say that it needs more energy to absorb before it temperature changes.
Reason for having high specific heat is it is having its low molar mass.
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