VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas Logo

Questions in biology

[Terjawab] The incomplete layer of cells that covers all internal surfaces of the bone within the medullary cavity is called what?

[Terjawab] Which of the following is a feed additive? A. Corn B. Potassium C. Medicine D. Vitamin A

[Terjawab] Enzymes are A. monosaccharides B. proteins C. amino acids D. lipids

[Terjawab] Which of the following conditions would lead to a small population size? A. a low birth to death ratio B. a high birth to death ratio C. immigration D. large number of resources

[Terjawab] Thylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. What are saber teeth for these organisms? A. analogous structures B. homologous structures C. vestigial structures D. mutated structures

[Terjawab] True or False: As an animal grows, their nutrient needs stay the same.

[Terjawab] How many amino acids must be obtained in the diet because they cannot be made by the body? A. 2 B. 5 C. 9 D. 20

[Terjawab] The development and spread of a new gene for antibiotic-resistance in a population of bacteria that are exposed to that antibiotic would mean that trait is a(n) A. disruptive trait B. swapped gene C. consistent phenotype D. stabilizing trait E. adaptation

[Terjawab] What is the value of a transitional fossil? A. Transitional forms show the evolutionary steps between species. B. Transitional forms are analogous fossils. C. Transitional forms discredit the theory of evolution. D. Transitional forms are proof of punctuated equilibrium in evolution.

[Terjawab] The organic components of bone provide: A. inflexibility B. calcification C. resistance to stretching D. hardness