In order for multicellular organisms to maintain homeostasis B. their organ systems must work together. So the answer is letter B. This is because in order for the body to maintain hemostasis, it has to maintain the body temperaturw in any weather and climate it will experience.
Various cicada species erupt to reproduce at various times. A prime example of temporal isolation is this. The frog species Rana aurora and Rana boylii exhibit temporal isolation as a result of variations in seasonal breeding. Although both species live in the same geographic areas, their mating seasons are different.
<h3>What is temporal isolation ?</h3>
When many species reproduce at various periods, there is a condition known as temporal isolation. Three different orchid species, for instance, coexist in the same rain forest. Every species contains flowers that only bloom for a single day and need to be pollinated on that day in order to generate seeds.
- Due to differences in fertility or mating timing, such as having various mating seasons, species cannot interbreed due to temporal isolation. Due to different mating practises or rituals, behavioural isolation prevents species from interbreeding.
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Water.
Osmosis is the movement of water.
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Answer:
In an experiment, the researcher needs to have a control group with an experimental group where both groups are identical in every way except that the controlled group does not gets the experimental treatment.
Sometimes, it is not possible to do a test or the experiment utilizing a controlled trial (due to ethical reasons or no practical method available). All things considered, a researcher may test a theory by making predictions about outcomes or patterns that ought to be found in nature if the hypothesis is right.
Answer:
Bacteria do not possess the tendency to withdraw sequences of introns from a gene, thus, if the gene for the human growth hormone were transcribed, it would translate into a non-functional protein.
When the expression of a gene takes place in eukaryotes, the budding mRNA comprising introns are removed consequently at the time of post-translational processing to produce mature mRNA. Also, the human growth hormone is produced by the pituitary gland in the form of a pre-hormone comprising a leader peptide of about 20 amino acids in length, which need to get removed post-translationally to produce a mature functional protein.
Bacteria do not possess the biochemical machinery either to effectively withdraw the leader peptide after translation or to splice out the introns. Thus, when an unchanged human growth hormone is cloned, the bacteria cannot produce the functional human growth hormone.
