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Questions in biology

[Homework Help] The main difference between a taproot system and a fibrous root system is that: a. Taproots can store a lot of food, while fibrous roots do not. b. Taproots absorb water, while fibrous roots do not. c. Fibrous roots can access water sources deep under the ground, while taproots cannot. d. Fibrous roots have an epidermal cell layer, while taproots do not.

[Homework Help] What structure is common to all five kingdoms of living organisms? A. DNA B. Nucleus C. Cell Wall D. Mitochondria

[Homework Help] Spawning is when a A. large group of adults release their gametes into the water at the same time. B. male and female fish release their gametes together. C. male fertilizes the female's eggs. D. group of eggs develops into larvae.

[Homework Help] What are the advantages for plants having a vascular system?

[Homework Help] Which of the following is correct concerning the Km of an enzyme? A. It depends on the dissociation constant for the product of the reaction. B. It defines the Vmax of the enzyme-catalyzed reaction. C. It is a measure of the number of substrate molecules converted to product in a specific unit of time. D. It is the substrate concentration at which the velocity of the reaction is equal to 1/2 Vmax. E. It is measured in units of moles per minute.

[Homework Help] What type of biome is located near the equator? Why?

[Homework Help] Amino acids link together by peptide bonds to form proteins. In which cellular organelle does this process occur?

[Homework Help] When carbohydrate monomers are joined together, the process is identified as ___________ ______________, and when they are broken apart again it is called ___________. A. hydrolytic bonding; degradation B. hydrogen bonding; depletion C. condensation synthesis; hydrolysis D. polar synthesis; hydrolysis E. condensation synthesis; anabolism

[Homework Help] The loss of chloroplasts would have a direct impact on a green plant's ability to ___________.

[Homework Help] What process adds oxygen to the atmosphere?