Astudent conducted an experiment on an unknown food to determine the presence of macromolecules. the results are as follows: benedict’s test= blue. iodine test= dark red. biuret test= violet, susan iv= dark red. using the indicator chart below and the information in the chart above, which macromolecules were present? select all that apply.
a. carbohydrates
b. lipids
c. nucleic acids
d. proteins

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?

What is the problem in this article? what solution does the article propose?