Answer:
The correct answer is option - B. proteins.
Explanation:
The muscle contraction needs two protein that is essential in contraction. The muscle has motor protein myosin and spherical protein actin that are slide on one other in contraction that helps in muscle to contraction.
In the contraction, these protein filaments help to change in length and shape of the muscles. Thin filaments involve actin and thick filament in is myosin filaments.
Thus, the correct answer is option - b. proteins.
Answer:
It is possible since a receptor can activate different signaling pathways in different cell types
Explanation:
In a cell, a receptor bind to a specific ligand to activate a signaling pathway, while the same receptor may bind either with the same or another ligand in another cell type and thus activate another signaling pathway
It’s D. The heart beats faster to match the rise in breathing rate
gene for temperature regulation, gene for production of nails, gene for production of fur. these should be the answer because the chart shows them as having the same size and color alleles, which should make them homozygous and dominant.
Answer: C. higher
Neurological and perceptual speeds are generally higher in individuals with <u>higher</u> intelligence.