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Which one of the following statements about human sperm is correct?
1. Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation
2. The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
3. Acrosome serves as a sensory structure leading the sperm towards the ovum
4. Acrosome serves no particular function.
The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation
What is the difference among smooth and rough endoplasmic reticulum? Ans) The endoplasmic reticulum is a fine membranous structure contiguous to the nuclear membrane and p
What are the main cytoplasmic structures present in animal cells? Ans) The major cytoplasmic structures of the cell are the centrioles, the cytoskeleton, lysosomes, mitochondria
Determine the architecture of cell There are over 200 types of cells in the human body, which are assembled into a variety of tissues, such as, the epithelia, connective tissue
Protozoa general characters and classification
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State the list of Behavioural Observations A typical list of domains would include the following: Mood and affect Motivation and cooperation Social interaction
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