Answer:
There are four steps in solving a stoichiometry problem:
Write the balanced chemical equation.
Convert the units of the given substance (A) to moles.
Use the mole ratio to calculate the moles of wanted substance (B).
Convert moles of the wanted substance to the desired units.
Explanation:
(https://socratic.org/questions/how-to-solve-the-problems-of-stiohiomerty-what-is-the-formula-of-stiohiomerty) This site will give you all the info you need on how to solve it! Gives examples too!
DNA ligase connects the base pairs together by catylizing the formation of phosphodiester bonds
Climate change, habitat destruction, extinctions — thousands of years ago. And humans may have been partly to blame for many of those changes in nature, too. with a changing climate, led to the extinction of many species of megafauna about 12,000 years ago in the southern portion of what is now South America.
Answer:
D. The Lac operon
Explanation:
The Lac operon is comprised of 3 genes <em>lac</em>A, <em>lac</em>Y and <em>lac</em>Z which regulate the hydrolysis of Lactose in bacteria. <em>Lac</em>Z in particular causes the hydrolysis of the lactose into simple sugars.
Answer:
The finger like projections of the small intestines are called villi.
Explanation:
The structure of villi is just like human finger. Villi increases the surface area of small intestine which increases the absorption. Villi is a part of small intestine which is responsible for the absorption of nutrients that are present in the food particles. These nutrients are again combined with the blood and used by the body. Villi do not helps in the digestion of food substances, they can only absorb.
