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Questions in biology

[Done] Which statements describe organisms referred to as "colonial"? A. A multicellular organism B. Similar bacteria or protozoa which group together C. Tissue D. A group of multiple specialized cells

[Done] Why does photosynthesis require water? A. Because water provides oxygen atoms B. Because water provides electrons C. Because water accepts electrons D. Because water acts as a catalyst

[Done] Which one is an advantage of a multicellular organism? A. Specialized cells perform specific functions. B. Smaller cells operate more efficiently. C. Different types of cells do not need to communicate. D. The cells are simpler.

[Done] Which statement about the cell wall is true? A. It controls protein synthesis. B. It gives the animal cell its shape. C. It is surrounded by the cell membrane. D. It prevents a plant cell from bursting.

[Done] Which best describes genetic engineering? A. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host. B. All the DNA from a desired organism is isolated to form recombinant DNA for use in a host. C. Different sections of DNA from a desired organism are inserted into a host so that beneficial traits will be expressed. D. One strand of DNA is isolated and inserted into a host so recombinant DNA can be formed.

[Done] What is the term for the process of sensory organs detecting external stimuli and transmitting these to the brain? A. Sensation B. Perception C. Attention D. Cognition E. Signal detection

[Done] The accumulation of small changes in a gene pool over a relatively short period is called: A. anagenesis B. cladogenesis C. microevolution D. punctuated equilibrium

[Done] Which of the following cell organelles surrounds the nuclear membrane? A. Rough endoplasmic reticulum B. Smooth endoplasmic reticulum C. The Golgi apparatus

[Done] Diseases carried from person to person through other hosts, such as animals or insects, are known as _____

[Done] Both chloroplasts and mitochondria are alike in that they both have inner membranes and their own _____.