c) Some species are part of the human natural flora
Explanation:
Please refer to attachment for more information. I tried to write it here, but it was showing an error.
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Answer:
The nervous system releases neurotransmitters at synapses at specific target cells & The endocrine system reacts more slowly to stimuli, often taking seconds to days.
Explanation:
The nervous system is very specific with where the neurotransmitters go so they will affect target cells. The endocrine system is slower than the nervous system because the hormones travel through the blood so it takes much longer to reach the designated area.
Acini cells-water, electrolytes,mucus bile and enzymes
The study of earthquakes is seismology. Scientists (seismologists) use instruments to record the strength of earthquakes in an area. The instrument that is used to measure seismic waves is called seismograph. <span>It records the shaking of the Earth. </span>The size of an earthquake is measured with its magnitude and intensity.
Answer:
Human gametes should contain <u>23 </u>chromosomes each. This number would be considered the <u>haploid </u>number for humans. The symbol for this is <u>n</u>.
Explanation:
Gametes are an organism's reproductive cells. Female gametes are called egg cells, and male gametes are called sperm.
In most organisms, somatic cells (all cells except for gametes) are diploid, whereas the gametes tend to be haploid. Haploid cells have a single set of chromosomes, while diploid cells have two sets of chromosomes.
When it comes to human cells, somatic cells have 46 chromosomes. This means that each gamete has 23 chromosomes. This is called the haploid number and is marked by a lowercase <em>n</em>. This number refers to the total number of chromosomes found in a gamete (for human cells n=23).
