An enzyme is a catalysts in living things.
A catalysts speeds up the process of breaking down molecules.
An example would be Lactose. It can be broken down by the enzyme Lactase.
Answer: unicellular organism with no nucleus
Explanation:
ovary
These oocytes are formed during the early development of the person, it is together formed in the embryonic stage of development.
In puberty, these oocytes have now been mature thus, the individual is ready for her first menstruation, it takes time before these oocytes are fully developed but they are formed as early as the state of the genitalia, brain, body was formed.
<span>Somehow, it is like the brain, the brain is slowly developing til the near age of puberty or late childhood. </span>
<span>Eyes are also an analogy to oocytes, during infancy these organs aren't developed yet and these years the child can only see vague and blurred vision and takes almost 2 years for the child to see clearly.</span>
Answer: a) relies on the uptake of an external signal molecule from the cell
Explanation: Signal transduction is known as the transmitting of any signal of a molecule from exterior of cell to interior of cell.This technique is termed as critical is taken care of successful transmission of signal effectively and positive result and reception is done by the cell surface receptors.It is also known as cell signalling. Thus,option(a) is the correct option of all.