<u>Answer:</u>
<em>16 kinds of gametes can be expected from an individual with the genotype ppccttrr. </em>
<u>Explanation:</u>
<em>Gametes are the haploid mature germ cells which can be both male and female.</em> They have the ability to unite to opposite sex in the reproduction phase to form a zygote.
<em>The example of gamete is the sperm that is ready to fertilize the egg during reproduction. </em>so there will be 16 types of reproductive cell with single <em>set of unpaired chromosomes with the genotype ppccttrr.</em>
The answer is D. An anion is a negatively charged ion, which means it has accepted an extra electron (s) from a donor ion (cation). To add an electron, energy has to be released so that the electron can be less excited and go back to its orbital level. The released energy is equivalent to the energy required to remove the electron from its orbital level.
When an organism reproduces they pass on their genetic information in the DNA to their<span> offspring.
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1. Action potential reaches the axon terminal and depolarizes it.
2. Depolarization opens voltage-gated calcium channels, enabling influx of Ca into the neuron.
3. Calcium binds to specialized proteins on vesicles (containing pre-made acetylcholine) and triggers them to fuse with the neuron membrane at the synapse.
4. Exocytosis of acetylcholine into the synaptic cleft occurs.
5. Acetylcholine diffuses across the synapse and binds to nicotinic receptors on the end plate of the myocyte.
6. Activated nicotinic receptors, themselves ion channels, cause cation influx into the myocyte and generate an end plate potential. This eventually gives rise to the full depolarization within the myocyte that enables contraction.
