I think the correct answer from the choices listed above is option B. During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will <span>stop moving across the membrane. This is because equilibrium has already been achieved and there is no more driving force which is the concentration gradient present.</span>
Answer:
A response is a _reaction to a stimulus. • A stimulus is anything that can cause an individual to respond or react. • Stimuli can be _internal or external.
Explanation:
A change in the cellular make up of an organisms due to response or reaction to a stimulus is called a response. This response can be due to a stimulus inside the body , or due to effect of an external ( stimulus) object on the body-stepping on a sharp pin.
In either cases, the stimulus is receive by the receptors, which transfer the stimulus through the sensory neuron to the inter neuron in the CNS, for the motor neuron to bring an effective response at the effectors.
Answer:
S phase of the cell cycle
Explanation:
During Mitosis, DNA is replicated during the S phase (Synthesis phase) of Interphase.
The correct answer is option D, They both lack nuclear membrane
Both Archaea and Bacteria belongs to the prokaryotic and thus have no cell nucleus or any other membrane-bound organelles in their cells. These two are single celled and reproduce through binary fission.
The skull is the large opening in the base of the occipital bone where the brain connects to the spinal cord
