Answer:
abiogenesis
Explanation:
Abiogenesis is the idea that supports the thought that the emergence of life is associated with the non-living things. It is believed that initially, the structure of the formation of life was simple. With further process, it turned to be complex. According to this hypothesis, the non-living matter of the Earth gave birth to the living matter.
In the given excerpt, the experiment performed by the evolutionists by using chemicals is an example of abiogenesis.
The statement above is TRUE.
The electrochemical gradient in the chloroplast is a gradient of electrochemical potential of ions which move across the membrane of the chloroplast during the photosynthesis process. The proton gradient across the thylakoid membrane drives the ATP synthesis during photosynthesis.
1- C ( this is an assumption; a hypothesis is always based on an assumption.
2- F ( this states to share the results with other classmates).
3- D (this is a description of an experiment you could conduct; you test a hypothesis (usually) by conducting an experiment.
4- A (this is something you could observe during the experiment, therefore it is an observation).
5- E (this sentence is a conclusion).
6- B (This is an actual question)
<h3>What is the hypothesis?</h3>
The hypothesis of most interest to the researcher is the alternative hypothesis.
For example: When we are talking about statistics, the alternative hypothesis is the one that proposes a new model or a new theory, in contrast to an old one, as in the case of the null hypothesis. Oftentimes alternative hypothesis has to be constant with the original research hypothesis in that it stems from previous research and investigation. In simple terms, the alternative hypothesis is in opposition or contrary to the null hypothesis.
Thus, this could be the answer.
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Answer:
It can lead to increased incidence of drug resistant bacteria.
Explanation:
Many farm animals used for meat are given antibiotics to promote their growth. They are also given these antibiotics to treat certain diseases caused by pathogenic microbes such as bacteria.
The continual use of antibiotics will however lead to increased incidence of drug resistant bacteria present in the world at large due to the exposure of the bacteria to these drugs resulting in the formation of resistant species of the bacteria with time .
Answer:
The correct answer is d. IgG
Explanation:
During pregnancy the fetus is attached to the mother body by placenta and IgG is the only antibody which can cross the placenta and reach the fetus. This antibody is very important for an infant to get protection from infections.
Measles is a viral disease that usually infects infants who are not vaccinated against it. Until the vaccination is done the infant is protected by the passive immunity given by his mother through passing the IgG antibody.
This maternal antibody is capable of protecting infants for the first six months of life after which vaccination is required to protect the infant from measles.