It is 4. the reproductive cycles of males and females are regulated by hormones
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
Alleles that are masked by others are called recessive alleles.
Answer:
The calcium concentration must be greater OUTSIDE
the cell than INSIDE the cell.
Explanation:
Calcium has a vital role in the body, it is necessary for:
- exocytosis
- muscle contraction
- normal excitability of neurons
- blood coagulation
- building and maintaining bones and teeth
- enzymatic activity
The correct answer is B. Tan was proud of her mother who had a unique way of communicating in English language that is why in her book she chooses to discuss about her mother.
Tan and her mother they had a close relationship because,
1. Tan's mother used to attend tans lectures.
2. Her mother trusts and relies on her to talk to doctors about the scan of CAT.
Tan is the author of this essay which is entitled as the" mother tongue". The message of Tan's essay is that communication is more about intent and not specific word and words usage.
