Answer:
<em>DNA </em><em>can </em><em>be </em><em>used</em><em> </em><em>to </em><em>tell </em><em>people</em><em> </em><em>apart </em><em>because</em><em> </em><em>humans </em><em>differ </em><em>from </em><em>each</em><em> </em><em>other</em><em> </em><em>based </em><em>on </em><em>either</em><em> </em><em>their</em><em> </em><em>DNA </em><em>sequences</em><em> </em><em>or </em><em>the </em><em>lengths </em><em>of </em><em>repeated</em><em> </em><em>regions </em><em>of </em><em>DNA.</em><em> </em><em>Length</em><em> </em><em>difference</em><em> </em><em>are </em><em>typically</em><em> </em><em>used </em><em>in </em><em>forensics </em><em>and </em><em>paternity </em><em>testing</em><em>.</em>
Answer:
Cellulose
Explanation:
trunk is the main axis of a tree that supports the branches and is supported by roots. Cellulose makes it sturdy. Cellulose is the main substance in the walls of plant cells, helping them to remain stiff and upright.
Answer:
option D
Explanation:
Negative feedback is a mechanism in which function of a cell or an organ is decreased. It lessened the output of a system and maintain system function which is known as homeostasis. It is a regulatory mechanism of normal physiology. Some of examples are
blood sugar level regulation, regulation of blood pressure, thermoregulation and many more.
The ATP molecule act as a power source for a cell. it is someone's compared to a battery.
Answer:You may feel hungry frequently if your diet lacks protein, fiber, or fat, all of which promote fullness and reduce appetite. Extreme hunger is also a sign of inadequate sleep and chronic stress. Additionally, certain medications and illnesses are known to cause frequent hunger.
Explanation:
"Hunger hormones" (ghrelin) in your blood and an empty stomach signal the brain when you're hungry. Nerves in the stomach send signals to the brain that you're full, but these signals can take up to 20 minutes to communicate -- and by that time, you may have already eaten too much.
