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The sensory nervous system transmits information from receptors to the CNS, while the motor nervous system transmits information from the CNS to the rest of the body.
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Answer:
C: 35
Explanation:
if DNA molecule contains 15% adenine then C and G will constitute 70%,of which guanine will be 35%
Answer:
1.3
2.6
3.7
4.3ksmxndndffmfmfmmfjfifof
Answer:
EARLY ANAPHASE
Explanation:
A cleavage furrow is a division which occurs in a cell's surface before cell division. It begins with cell's “pinching” its cell membrane and cytoplasm down the middle resulting in formation of two daughter cells.
Animal cell cleavage furrow is as a result of a ring of actin microfilaments known as the contractile ring, formed during EARLY ANAPHASE. The resultant bridge is divided and rearranged to yield two identical daughter cells when cytokinesis is occurring.
Technically, enzymes are specialized proteins that help cells do some chemical reactions. Most chemical reactions don't start spontaneously, even if they are energetically favored. For example, take a paper that burns (combustion). This reaction gives off energy but one does not see paper combusting without outside intervention; one needs to put in some energy for the reaction to start. This energy is called activation energy. The role of the enzymes is to reduce the activation energy of a specific reaction (or at most some reactions). Thus, reactions that would not take place without an enzyme or would be very slow, are accelerated a lot since the activation barrier goes down. Hence, the correct statements are that enzymes speed up reactions, enzymes are biological catalysts (anything that speeds up a reaction is a catalyst to that reaction; enzymes are also biological in nature), their reactions are referred to as catalyzed (since there is a catalyst present).
The last sentence is false since enzymes decrease the energy of activation for the reaction they are catalyzing (if they increased it, this would make the reaction harder and slower).
