Answer:
B. Deoxyribose
Explanation:
RNA is very similar to DNA, but differs in a few important structural details: RNA is single stranded, while DNA is double stranded. Also, RNA nucleotides contain ribose sugars while DNA contains deoxyribose and RNA uses predominantly uracil instead of thymine present in DNA.
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Answer:
They are classified into three orders: frogs and toads, salamanders and newts, and caecilians.
Answer:
All energy in the system are either potential or kinetic.
Option A to D are true
Explanation:
Kinetic Energy is the energy in a body when the body is not at rest (i.e. when it is in motion)
Whole
The potential energy of an object is energy of the body in a stored form. This means that when the body is at rest (not moving but waiting to do work). This is seen in Option A where the ball is held motionless above the floor.
The potential energy of a body decreases when the body moves downward and the kinetic energy increases. This is seen in Option B and C.
The last option D is supported by the first law of thermodynamics, also known as Law of Conservation of Energy, which states that energy can neither be created nor destroyed; energy can only be transferred or changed from one form to another. The potential e ergy of the body when held motionless above the floor is equal to the kinetic energy of the body when it hits the floor.
actually the answer is D. I put a and got it wrong then it showed me the answer.
