Globular proteins fold up into compact, spherical structures that have uneven surfaces. they tend to form multisubunit complexes, which also have a rounded shape. fibrous proteins, in contrast, span relatively large distances within the cell and in the extracellular space. which protein is not classified as a fibrous protein? (a)elastase (b)collagen (c)keratin (d)elastin

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Acquired mutations can result from radiation pollution toxins inheritence select all that apply