Its C, as in active transport the substance tends to move from a reigon of high concentration to a reigon of lower concentration, against the concentration gradient. for example: mineral salts from soil move by active transport to the root hair cell.
D is not the answer as water always moves by the process of osmosis.
i hope that helped (:
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: to best help them aid in what the need to live like the small and thin beak is good for digging in small and thin holes for worms
Explanation:
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Other Info That Might Help:
In contrast, in eukaryotes, all of the cell's chromosomes are stored inside a structure called the nucleus. Each eukaryotic chromosome is composed of DNA coiled and condensed around nuclear proteins called histones. Humans inherit one set of chromosomes from their mother and a second set from their father.
The correct answer is inference