Answer: a. Intervention study
Explanation:
In an interventional research study the participants receive an intervention as they are given a new item or commodity to use and the results of use are evaluated on the basis of change made by the commodity on the participant. Such studies are used for the purpose of clinical trails.
The given research design is the example of interventional study. As the margarine is a new commodity the ingredients of which are claimed to lower down the blood cholesterol levels which can tested by comparing the cholesterol levels in people.
Answer:
Denatured (unfolded) proteins do not function normally.
Explanation:
Proteins are the polymers made of the alpha amino acids that are linked through the peptide bond. Protein is one of the most important biomolecule acts as the main building block of the body.
Protein are specific in functions and works only when they have correct three dimensional structure. The denaturation of protein causes the change in its structure, makes the protein less folded and the protein is unable to perform its function after the denaturation.
Thus, the correct answer is option (2).
Answer:
a. blue and featherless
Explanation:
- Feathers (F) are dominant to no feathers (f)
- Blue body (B) is dominant to white body (b)
If we testcross a dihybrid, we are crossing a homozygous recessive individual with a heterozygous individual.
Recombination is a rare event in meiosis, so the more abundant offspring are always the parentals, and the less abundant offspring are the recombinant ones.
In this case, bf/bf and BF/bf are the parentals and Bf/bf and bF/bf are the recombinants.
The option a. Blue and featherless (Bf/bf) offspring are the recombinant babies.
The part of the Intravenous infusion that the nurse should manually regulate for the desired infusion rate is the roller clamp connected to the IV tubing and drip chamber.
Answer: The answer is rock.
Explanation: A rock is a a solid substance in which it is composed of large quantities of one mineral, or contains 2 or more minerals.