Answer:
1. deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
2.the material or protoplasm within a living cell, excluding the nucleus.
3.a microscopic network of protein filaments and tubules in the cytoplasm of many living cells, giving them shape and coherence.
Explanation:
The correct answer is A. Recording the sounds of a test tube breaking
Answer:
The liver stores glucose to power the cells during periods of low blood sugar. Skipping meals and poor nutrition can lower blood sugar. By storing glucose, the liver makes sure that blood glucose levels remain steady between meals and during sleep. When blood glucose falls, cells in the pancreas secrete glucagon.
<h2>Have a nice day!!</h2>
Answer:
The area under a speed-time graph represents the distance travelled.
Explanation:
The valence electrons determine the group the elements belong in the periodic table. For example, the element sodium, Na, has a valence electron of one and so it belongs to Group 1 in the periodic table. Another example is Aluminium, Al, which has a valence electron of three and therefore it belongs to Group 3 in the periodic table.
