IdeasCuriosas - Every Question Deserves an Answer Logo

Questions in biology

[Answered] A quaternary consumer species would be expected to have a smaller population than a secondary consumer species. True or False?

[Answered] What is sexual reproduction? A. When a male sex cell unites with a female sex cell to create a zygote. B. When plants develop buds. C. When a male sex cell splits into smaller parts. D. When plants develop spores to reproduce.

[Answered] Alteration in the DNA of a muscle cell of a mouse by substituting one base pair with another could likely: 1. Change all DNA sequences in the mouse. 2. Change one amino acid in a protein a muscle cell produces. 3. Alter the carbohydrates that the muscle cells ribosomes produce. 4. Alter the DNA of the offspring of the mouse.

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

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

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

[Answered] 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

[Answered] 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

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

[Answered] 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