The steroid hormone is secreted by three glands- adrenal cortex, ovaries, testes.it is derived from cholesterol
Answer:
D) reveal details that are otherwise not easily seen
Explanation:
The most common reason for staining a specimen is reveal details that are otherwise not easily seen.
Some details might not easily be visible when using the microscope without staining the specimen in view. The color added to the specimen help to bring out otherwise hidden parts of the specimen in full view.
Stains helps to highlight the features of the specimen and bring them into full view.
Answer:
Part A
Part B =
Explanation:
A)
B) Many humans are omnivores. They consume both plant and animal material. Thus, they may be on the third or even fourth trophic level. (For example, if you consume beef (cows are herbivores), you are a part of the third trophic level)
Answer:
a. antigen
Explanation:
The Immune system is composed of immune cells that defend the body against foreign substances such as bacteria or virus. Lymphocytes (B and T cells) are one of the main immune cells
Lymphocytes have the ability to recognize and bind to antigens, wich are substances foreign to the body ( i.e bacterial or virus elements) that evokes an immune response.
Answer:
oxygen, co2, sunlight, water, chlorophyll
