Lemon juice has a pH of 2 and tomato juice has a pH of 4. This means that: lemon

Question

Lemon juice has a pH of 2 and tomato juice has a pH of 4. This means that: lemon juice is less acidic than tomato juice tomato juice has 100 times more H^+ ions than lemon juice lemon juice has 100 times more H^+ ions than tomato juice lemon juice has 4 times more H^+ ions than tomato juice both A and B You have a set from a vertebrate a Based on the dentition given below, to which of the following animals would the teeth most likely belong? Dentition: pointed incisors, enlarged canines, and sharp jagged premolars and pointed molars Horse Human Lion Rabbit Either B or C Glucose and amino acids are carried into the cell by means of facilitated diffusion active transport simple diffusion endocytosis exocytosis Which of these is most closely associated with the electron transport chain (ETC)? the outer membrane of the chloroplast the thylakoid membrane the stroma the stomata both A and C A reflex action: is an automatic, involuntary response does not require the central nervous system is normally controlled consciously is found only in humans all of the above The presence of antibodies in a newborn baby is most often due to: active immunity from the mother immunity developed after birth passive immunity from the mother exposure of the baby to antigens after birth Both A and B

Explanation / Answer

21. Option D. Lemon juice has 4 times more H+ ions than tomato juice.

Low ph means highly acidic and high acidity means more H+ ions.

22. Option E. Either B or C.

Sharp incissors, enlarged canines, jaggered molars help in flesh eating.

23. A. Facilitated diffusion.

Glucose and amini acids are large. Hence cant pass through easily.

24. B. Thylakoid membrane

25. A. Is an automatic involuntary action

26. C. Passive immunity from mother

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