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Questions in biology

[Terjawab] In reference to the movement of molecules across a membrane, what is the difference between diffusion and passive transport?

[Terjawab] Which of the following provides a genomic-based, probabilistic assessment of identity? A. None of the answers is correct. B. biometrics C. DNA phenotyping D. dactylography

[Terjawab] Which substance carries energy to the Calvin cycle? A. NADPH B. ADP C. 02 D. H₂O

[Terjawab] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Terjawab] (b) (i) Explain the term ruminant as used in animal production. (ii) State one function each of the following organs in the digestive system of ruminants: (a) rumen (B) omasum (y) abomasum (c) (i) Distinguish between potential energy and kinetic energy. (ii) Calculate the kinetic energy of a car of mass 1.0×103kg moving with a velocity of 108.0km/h. (d). (i) Mention two greenhouse gases (ii) state three effects of greenhouse gases on climate

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

[Terjawab] Which form of energy is an input for photosynthesis? A. Nuclear energy B. Mechanical energy C. Light energy D. Electrical energy

[Terjawab] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Terjawab] Which equation shows how cells use the energy stored in an energy carrier? A. [tex]$NADPH \rightarrow NADP ^{+}+ H ^{+}$[/tex] B. [tex]$NADP ^{+}+ P \rightarrow$ ATP[/tex] C. [tex]$ATP \rightarrow ADP + NADPH$[/tex] D. [tex]$ADP + H ^{+} \rightarrow ATP$[/tex]

[Terjawab] Elevated portions of the cerebral cortex are called a. sulci b. plexuses c. gyri d. ventricles