Sebum is odorless, but its breakdown by bacteria can produce strong odors. Sex steroids are known to affect the rate of sebum secretion; androgens such as testosterone have been shown to stimulate secretion, and estrogens have been shown to inhibit secretion.:
Explanation:
Number 17 is C
Number 18 is A. -I am not to sure on this one.
Number 19- I feel like the answer should be metaphase, however that is not one of the choices.
Number 20- I feel like this one is C as well.
I hope this helped and please rate this as the brainliest answer.
When an athlete eats more protein or amino acids than he or she needs, the extra amino acids are either used in building the muscle tissues or are used in energy expenditure.
Proteins are the macromolecules composed of amino acid as polymers. Protein is an essential food component because it helps in the synthesis and repair of body parts, it help in growth and development, and also provides fuel to the body.
Muscle tissues are the ones responsible for the movement of the complete body. The tissues are rich in blood supply. They are of three categories: skeletal, cardiac and smooth. Any movement in body is possible only because of the contractions and relaxations of muscles.
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C. I think so, it seems like it
Answer:
C. a dog buries a bone in the backyard
Explanation:
A dog burying a bone in the backyard is not an observation in terms of scientific methods.
Observation is the process of acquiring data about a phenomenon under study.
Most times, senses are used in making observations. Our sense of taste, hearing, sight etc. comes handy when making observation.
Also, we can use some specialized equipment to make observations.
- A dog burying a bone in the backyard is not an observation. None of the senses nor instruments are used to gather any relevant information.