Answer:
<em>The correct option is A) the cup to the saucer by conduction</em>
Explanation:
Conduction can be described as a process in which heat from an object that is warmer is transferred to an object which is cooler until both the objects have an equal amount of heat. When coffee is poured in a cup, the cup gets heat and its heat is greater than the saucer which is cooler. As a result of conduction, heat passed to the saucer from the cup until both have equal amounts of heat. Hence, the correct option is A.
Answer:
To eliminate the possibility of hidden or unknown variables, the scientist must run a Controlled experiment.
DNA is a double-stranded, helical molecule composed of nucleotides, each of which contains a phosphate group, a sugar molecule, and a nitrogenous base. ... As the DNA polymerase moves down the single-stranded DNA, it uses the sequence of nucleotides in that strand as a template for replication.
D. They convert glucose into another form of energy used by cells.
Answer:
A. The population of grasshoppers will be able to be sprayed with the pesticide and remain unaffected.
Explanation:
As mentioned in the question statement, scientist inserted a gene in a grasshopper population that encodes for immunity against a pesticide. Therefore, the grasshopper population would be able to survive well despite the pesticide is being sprayed. Principally, pesticide spray can kill the invertebrates such as grasshoppers. However, when the grasshopper has a gene that encodes for a protein that gives immunity against the pesticide, the effect of spray will be minimized. They will produce the immunity protein and this protein will help them survive in toxic conditions.
Other options are incorrect because:
- There is no need of training the grasshoppers to learn how to feed in areas where no pesticides are being used. In fact, insertion of gene that encodes for immunity would not help the grasshoper to get trained against the pesticide, rather, it will help providing immunity directly in the presence of pesticide.
- The gene provides immunity and has nothing to do against drought.
- It is not mentioned anywhere that gene is responsible for energy production and resistence against pesticide. Rather it is a gene that produces an immunity related protein.