Alginates are used in many everyday products, including toothpaste and soap. When added to water, they form a thick gel that binds or emulsifies liquids. Alginates come from a group of multicellular stramenopiles that have one pigment that masks all
others and therefore gives these organisms a distinctive, dark color. Alginates are derived from
A) green algae.
B) brown algae.
C) water molds.
D) dinoflagellates.
Answer: B
You might also like to view...
If you eliminated all sources of calcium (dairy products, some vegetables) from your diet, the level of
which of the following would rise in an attempt to supply calcium stored in your body to the tissues that need it? a. aldosterone b. calcitonin c. mineralocorticoids d. parathyroid hormone e. angiotensin
In ____ selection, individuals with a phenotype near the mean are favored over those at the phenotypic extremes
a. natural b. disruptive c. stabilizing d. directional e. frequency-dependent
Which of the following is a fungus that commonly lives in the large intestine?
A) Bacteroides B) Escherichia C) Campylobacter D) Candida E) Lactobacillus
Cell membranes are fluid, and thus proteins can diffuse laterally within the lipid bilayer. However, sometimes the cell needs to localize proteins to a particular membrane domain. Name three mechanisms that a cell can use to restrict a protein to a particular place in the cell membrane.
What will be an ideal response?