Answer:
D. as an arrangement of four chemical bases
Explanation:
Our DNA is made up of 4 chemical bases (adenine, thymine, guanine, cytosine).
Answer:
Sympathetic nervous system
Explanation:
The sympathetic nervous system of the autonomic division prepares the body for stress or emergency conditions by generating the “fight-or-flight” responses. The sympathetic nervous system triggers the release of stress hormones from the adrenal medulla to generate the set of physiological responses.
There is dilation of the pupil, and an increased rate of heartbeat and increased blood pressure. Other responses include dilation of airways and dilation of blood vessels that supply blood to skeletal muscles, heart muscles, liver, etc. Under the given emergency condition, the sympathetic nervous system of Meghan was activated to generate the fight or flight response.
Answer:
Green pigmented plastids that function in photosynthesis are called <u>Chloroplasts</u>
True, because atoms bonds together and form molecules in different sizes and shapes.
Answer:
The lag phase
Explanation:
The lag phase is the initial phase of bacterial growth curve where new bacterial cells are still adapting to their new environment and preparing themselves for the digestion of new medium (nutrient supply). They are metabolizing but not yet growing at this phase.
After the lag phase follows the log phase where bacteria starts to grow in logarithmic manner, releasing energy and waste as they start utilizing provided nutrients.