Answer:
Chromosome are part of DNA cells and threads like structure which contains the human genetic coded information for the humans . humans have total 46 chromosomes .
Explanation:
Answer:
c. A chromosomal mutation can change the total number of chromosomes in the cell.
Explanation:
A gene mutation affects a single gene, and replication error is the main cause of gene mutation. A chromosomal mutation affects one part of chromosome or full chromosome. error in meiosis is the main cause of chromosomal mutation. Both mutations are responsible for a change in DNA. A chromosomal mutation leads to the change in total number of chromosomes in the cell.
When a cell needs energy it gets from the food that we eat and works like as usual.
Answer:
The dependent variable
Explanation:
The independent variable is always changed by the scientist, and what happens then is known as the dependent variable because it depends on the indépendant variable!
<span>Sixty percent of daily energy for the human body is determined by basal metabolism rate, or BMR. Basal metabolism rate is the minimum energy needed for a body to function (i.e. how many calories you would burn resting for an entire day and night).</span>