Answer:
A DNA marker
Explanation:
also known as a size standard or a DNA ladder) is loaded into the first well of the gel. The fragments in the marker are of a known length so can be used to help approximate the size of the fragments in the samples.
Answer is: wind will blow from the west to the east.
Wind<span>s blow across the </span>Earth<span> from </span>high pressure system<span>s to </span>low pressure system<span>s.
</span>Wind is <span>natural movement of the air. </span>Winds are classified according to their strengt and the direction from which the wind is blowing.
Carbohydrates are sugars.
Example : glucose
They break down to provide short term energy for cells.
Cellular respiration converts glucose into ATP by using oxygen.
Glucose+oxygen
Carbon dioxide +water + atp
Answer: D. Digestion increases as the volume of the enzyme increases.
Explanation:
Enzymes speed up reactions by reducing the activation time of a reaction. If there are more enzymes therefore, the reaction will move faster.
Pepsin is an enzyme that prefers acidic conditions so it can work with dilute HCL. It can also work in temperatures of 40 °C without getting denatured. As more Pepsin is added therefore, the reaction will move faster and digestion will increase.
Answer:
D) the cell appears to be in a rectangular shape and has a cell wall
Explanation:
animal cells don't have cell walls
