Answer:
Enzymes are the bio-catalyst produced by the body.
They increases the rate of bio-chemicals reaction taking inside the body.
They form enzyme-substrate complex in order to increase the rate of the reaction.
They are highly specific in nature.
Example:
- Hexokinase catalyses the conversion of glucose to glucose-6-phosphate.
- Salivary amylase catalyses the breakdown of starch into maltose (simpler sachharides).
- Protein kinase is an enzyme used to activate or deactivate other by adding phosphate group to them.
Answer:
Earth takes in thermal energy from the Sun in a process called THERMAL RADIATION.
Sunlight strikes Earth's surface at different angles. This angle is called the angle of INCIDENCE.
Explanation:
It is thermal radiation because thermal radiation refer to process where electromagnetic waves are emitted from a body or matter whose temperature is higher than zero. The Earth take in thermal energy from the sun as a result of thermal radiation.
Angle of incidence is the angle between a ray of light and the surface of it's perpendicular direction. The sunlight strike the Earth surface at an angle called angle of incidence.
The option that is not an important er-resident enzyme that modifies proteins in the secretory pathway is D) Sec61.
<h3>What are the ER enzymes?</h3>
The smooth ERare those enzymes that take part in the synthesis of lipids as well as the phospholipids, and they carry out important role in the formation of new cellular membrane.
Some important er-resident enzyme are:
- oligosaccharyl transferase
- protein disulfide isomerase
Therefore , option D is correct.
The options for the question are:
A) oligosaccharyl transferase
B) BiP
C) protein disulfide isomerase
D) Sec61
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C. in the nucleus, because this is where the DNA is located.