<span>Carbon has four valance electrons.
Carbon forms the backbone of all organic molecules.
Carbon can form bonds with four different atoms.
Carbon can from four covalent bonds with another carbon atom.</span>
Answer:
The correct answer is A.
Explanation:
A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.
So the answer is A.
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Answer:
Roses are very adaptable and can be grown in almost any soil type given it is well drained, deep and full of humus (decayed organic matter).
However, the best soils are those of a medium to heavy loam to a minimum of 35cm, over a good clay sub-soil.
Explanation:
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Answer:
The correct answer D.
Explanation:
The professional psychological association established some ethical regulation known as The APA ethics code that is an essential ethic code for psychological researchers to work.
It has many standards related to the clinical practice of psychology but main concerned ethical standard are taking consent, no use of non-primates and cat or dogs as animal subject and other like debriefing, deception and many other. It allows subjects like rats or mice for clinical purposes.
Thus, the correct answer is an option - D.
Answer:
Glucose is a substrate in glycolysis phase.
Explanation:
Cellular respiration is metabolic process which take place in cells of organism to convert energy from nutrients like glucose to Adenosine triphosphate(ATP) and release some waste substances.
Glucose is used in glycolysis phase as substrate and it is converted to ATP and pyruvate. Pyruvate is the utilised in keep cycle to produce energy.
Glucose is majorly used in cell to produce energy.
