Answer:
Um how do you answer it ???
Answer a)
The students should only have changed one variable to test for germination of seeds. They should have just changed the seed types and rest all factors like temp, pH should be kept constant for all of them.
Answer b)
The procedure could be changed as follows. The students should place three of each types of seeds in the petri dish. They should keep all the conditions like nutrients, temperature, pH constant for all the three dishes. After this observations should be made to check which seed germinates faster.
Chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique. ... Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA)
Answer:
iron, nickel,cobalt &magnetic material
Explanation:
<span>The four ribonucleoside triphos phates: adenosine triphosphate (ATP), guanosine triphosphate (GTP), cytidine triphosphate (CTP), and uridine triphosphate (UTP).</span>
