Answer:
The correct answer is option B) "Normal vaginal pH is acidic (4 to 5), which protects from infection".
Explanation:
Vaginal flora, or vaginal microbiota, is defined as the group of microorganisms that a healthy vagina normally has. At normal conditions, vaginal pH is acidic, which functions as a protective mechanisms because vaginal flora prosper at this condition and avoids unwanted bacteria to growth. A pH above 5, is an non healthy environment and could cause vaginal infections such as bacterial vaginosis.
Answer:
D. a vestigal structure
Explanation:
<em>The type of evidence for common descent that would include the whale's pelvic girdle is </em><em>vestigeal structure.</em>
<u>Vestigeal structures are small, degenerated and non-functional organs found in organisms which are believed to have been well developed and functional in their ancestors.</u>
The pelvic girdle in whales are considered to be vestigeal organs because they serve no known purpose and looks degenerated. Hence, they serve as evidence for common descent of mammals from the same ancestors.
The correct option is D.
Eukaryotic cells is the answer. Prokaryotic DO NOT have a nucleus
Answer:
One of the main differences between plants and fungi is that fungi have chitin as a component of their cell walls instead of cellulose.
Explanation:
Both chitin and cellulose are comprised of polysaccharide chains. ... Another contrast between plants and fungi is the presence of chlorophyll in plants and not in fung
Answer:
c
Explanation:
C)only one parent and results in offspring that are identical to the parent.