Stomata. Abscisic acud is releases in exrreme conditions when water conservation is more important that water loss amd so stomatal pore closes when ABA gets attached to receptors on membrane of guard cells
Answer:
A. broad spectrum
Explanation:
An antibiotic is a substance that has the capability to inhibit the growth of or kill bacteria.
A broad spectrum antibiotic has the capability to be inhibit or kill a wide range of bacteria species while a narrow spectrum can only operate within a narrow range of bacteria species.
<em>Hence, in a situation where the the causative organism of the disease (the pathogen) is not known, it is better to use a broad spectrum antibiotic because such antibiotic has a higher chance of eliminating the pathogen.</em>
Answer:
The answer is 1) a chromosome
Explanation:
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.
Active transport<span> is the </span>movement<span> of dissolved </span>molecules<span> into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. The </span>particles<span> move against the concentration gradient, using energy released during respiration.</span>
