Placebo-controlled<span> studies is one of the ways testing a medical research in which, in addition to a </span>group<span> of subjects that receives the treatment to be evaluated, a separate </span>control group<span> receives a sham "</span>placebo<span>" treatment which is specifically designed to have no real effect. So, the answer for this question is letter D. Those placebo doses are for used as a control group in an experiment.</span>
Answer:
<h2>Homozygous recessive individual
</h2>
Explanation:
1. Test cross is done To identify whether an organism exhibiting a dominant trait is either homozygous or heterozygous for a specific allele, a scientist can perform a test cross.
2. The organism which we want to check is crossed with an organism that is homozygous for the recessive trait, and the offspring of the test cross are examined.
3. Performed with an unknown dominant phenotype and homozygous recessive.
Answer:
And a phosphate.
Explanation:
Energy is used to make the ADP back to ATP. So when ATP is broken down to ADP, the energy used to add the phosphate is released.
Answer:difference:
1)mango root system
Mango is having a well-defined Tap root system which can extend up to 20 feet (6 meters ). Taproots are the roots consists of one thick, cylindrical main root, known as the primary root, from which further branches of roots arises known as the secondary and the tertiary roots.
2)maize root system
Maize forms a complex root system comprising embryonic and post‐embryonic roots. Later in development the post‐embryonic shoot‐borne root system becomes dominant and is responsible together with its lateral roots for the major portion of water and nutrient uptake.