Answer:
A) repressors
Explanation:
A transcription factor is a protein that controls the rate of transcription of genetic information from DNA to messenger RNA, by binding to specific DNA sequence. The function of TFs is to regulate-turn on and off genes-In order to make sure that they are expressed in the right cell, at the right time and in the right amount throughout the life of the cell and the organism. Groups of TFs function in a coordinated fashion to direct cell division, cell growth and cell death throughout life.
Number 3, CA cannot be an element, because it has 2 capital letters, meaning it contains 2 elements
Carbohydrates
Explanation:
Judging by the content of her note, we can satisfactorily say that Nadia is taking notes on carbohydrates.
Carbohydrates are bifunctional families of organic compounds.
- Carbohydrates are naturally occurring organic compounds containing carbon, hydrogen and oxygen. The ratio of hydrogen to oxygen is 2:1.
- They are usually taken in as energy sources for the body.
- When reduced to simple sugars like glucose, they release their chemical energy.
- They are the main source of energy for the body.
There are two types of carbohydrates;
- Simple carbohydrates are made up of simple sugars like glucose.
- Complex carbohydrates are cellulose and glucose.
learn more:
Carbohydrate brainly.com/question/10744528
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B, of course! DNA is often referred to the ‘genetic code’ of the body and do regulate the production of genes.
