Answer:
Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. One moves with the concentration gradient (high to low) which powers the movement of the other against the gradient (low to high).
Answer:
The correct answer is option 3. "secondary structure".
Explanation:
The secondary structure of polypeptide and proteins refers to the second order of folding, including common structures such as beta sheets, alpha helix, as well as turns and loops. The hydrogen bonds between the oxygen and nitrogen atoms of the peptide bonds are crucial to secondary structures, as these hydrogen bonds form and stabilize the aforementioned common structures.
Answer;
Light microscope
Explanation;
-A light microscope is an instrument that uses visible light and magnifying lenses to examine small objects not visible to the naked eye, or in finer detail than the naked eye allows.
-Light microscopes use a single lens to magnify an object and cannot reach high magnification. Illuminator is the light source for a microscope, typically located in the base of the microscope.
Females who lift weights are not going to develop large, bulky muscles because they have lower testosterone levels than men.
<h3>What is testosterone?</h3>
Testosterone is defined as the main sex hormone of the males that are produced in the testicles.
The functions of Testosterone include
- muscle mass and strength, and
- the production of red blood cells and sperm.
This hormone is produced in small quantities in females therefore, females who lift weights are not going to develop large, bulky muscles.
Learn more about hormones here:
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