Before your food passes from the mouth and down your esophagus, salivary amylase, an enzyme in saliva, begins to digest the starch in your bread. That is the start of chemical digestion. ... The passage of the bolus through the esophagus to the stomach occurs by peristalsis, a series of wave-like muscle contractions.
The temperature and salinity affect deep water current since
The water density depends on temperature and salinity . The deep currents from where the density of ocean water increases. The decrease of the temperature of water led to increase in water salinity while the density of water also increases.
Answer:
1. Aqueous solutions of acids are electrolytes, meaning that they conduct an electrical current.
2. Acids have a sour taste.
3. Acids change the color of certain acid-base indicators.
4. Acids react with active metals to yield hydrogen gas.
Explanation:
I looked it up.
The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall serving to protect the bacteria and which is not easily washed off.
<h3>What is the bacterial capsule?</h3>
The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall and which is not easily washed off.
The bacterial capsule is a layer of polysaccharides which are found outside the cell envelope, therefore, it is regarded as being part of the outer envelope of a bacterial cell.
The bacterial capsule is associated with being the cause of various bacterial diseases.
Learn more about bacterial capsule at: brainly.com/question/6009824
Answer:
B
Explanation:
A child needs a beating heart to live, if not they cam't develop.