<span>(b) they are ductless glands. The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol, found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla.</span>
Answer:
Option (3).
Explanation:
The action potential may be defined as the change in the electric potential of the cell that helps in the propagation of the nerve impulse. The resting membrane potential of the cell is -70mV.
Threshold potential may be defined as the minimum potential required to transmit the nerve impulse. If the difference between the excitatory signal and inhibitory signal exceeds the minimum intensity, known as threshold. The propagation of nerve impulse occurs.
Thus, the correct answer is option (3).
1. C
2. B
3. C
4. A
5. D
6. B
7. D
8. D
9. C
10. A
Answer:
Domain Bacteria, Kingdom (I'm not sure, the image is bad, srry).
Explanation:
We know the organism is not a eukaryote because it lacks a nucleus. However, it is photosynthetic. Cyanobacteria can perform photosynthesis.