Answer:
A gene is a section of a double-stranded molecule known as DNA. This molecule is found within the nucleus of the cell, contained in threadlike structures called chromatin. The two strands form a double helix linked by a series of paired bases. The base adenine is always linked to thymine and the base cytosine is always linked to guanine.
Answer:
False
Explanation:
Chronic fatigue syndrome refers to the condition of continuous or long term tiredness which is not corrected with the sleep.
There are many causes of such type of tiredness but the exact cause of the fatigue is not known as this symptom is common to many disorders. The main causes of chronic fatigue are the weak immune system, pathogens and the stress which is increasing with modernisation.
Since there are many causes of the fatigue syndrome therefore only repeated daily activities is not the only option and thus is false.
Thus, false is correct.
Answer:
Retraction.
Explanation:
When someone suffers from lower eyelid retraction, it means that their lower eyelid has actually been pulled downward which is an example of a scary face.
Another example is by grabbing your bottom lip with your top teeth. When you do this, your mandible moves in an anterior direction.
Answer:
Acinous secretory pancreatic cells.
Explanation:
Secretory pancreatic cells are organized in sac-shape structures called acini. These structures are conformed of acinous cells and center-acinous cells that secrete digestive enzymes into the intestine
Acinous cells are secretory pyramidal-shaped cells with a rouned and basal nucleus. Their cytoplasm is basophil and shows a high endoplasmic reticulum activity, as it is in charge of synthesizing the secretory enzymes.
Center-acinous cells collect secretions from acinous cells and conform ducts to where they vert all these secretions destined to be released into the intestine.
To keep people at bay and to make sure the rules and laws are followed
