(a)(i)Have numerous mitochondria and produce energy(ATP).
(ii)To allow ATP produced to diffuse into sieve tube;for use in active transport of food substances/translocation.
Belan answered the question on March 6, 2019 at 11:19
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(a)Tissue.
(b)Organ system.(Solved)
Define the following terms:
(a)Tissue.
(b)Organ system.
Date posted: March 6, 2019. Answers (1)
- State the method of dispersal for each of the following fruits:
(i)Orange.
(ii)Sonchus.
(iii)Coconut.
(b)Name the agent of dispersal for the following fruits:
(i)Orange.
(ii)Coconut.
(c)Name a seed dispersed by:
(i)wind.
(ii)Censor mechanism.(Solved)
(a)State the method of dispersal for each of the following:
(i)Orange.
(ii)Sonchus.
(iii)Coconut.
(b)Name the agent of dispersal for each of the following fruits:
(i)Orange.
(ii)Coconut.
(c)Name a seed dispersed by:
(i)Wind.
(ii)Censor mechanism.
Date posted: March 2, 2019. Answers (1)
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-2cm³of egg white suspension was placed in each test tubes labelled A,B,C and D.
-Three drops of hydrochloric acid(HCI)was added...(Solved)
An experiment was carried out as follows:
-2cm³of egg white suspension was placed in each of the test tubes labelled A,B,C and D.
-Three drops of hydrochloric acid (HCI) was added to each of test tubes labelled B,C and D.
-1cm³pepsin was added to each of test tubes labelled A, and C 1cm³ boiled pepsin to test tube labelled D.
All the test tubes were placed in a water bath at 35°C for 15 minutes.
(a)State the observations made in each of the test tubes labelled A,B,C and D.
(b)Account for the observations made in(a) above for test tubes labelled A,B,C and D.
(c)What was the role of HCI?
Date posted: March 2, 2019. Answers (1)
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Date posted: March 2, 2019. Answers (1)
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State two artificial ways of breaking seed dormancy.
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(i)Lysosomes.
(ii)Ribosome.(Solved)
State one function of each of the following organelles:
(i)Lysosomes.
(ii)Ribosome.
Date posted: March 2, 2019. Answers (1)
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(i)Name the causative agent of pulmonary tuberculosis.
(ii)How is the disease prevented?
Date posted: March 2, 2019. Answers (1)
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(i)Peristalsis.
(ii)Emulsification.(Solved)
Define the following terms:
(i)Peristalsis.
(ii)Emulsification.
Date posted: March 2, 2019. Answers (1)
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Name two substances that are not filtered out of the blood in the glomerulus.
Date posted: March 2, 2019. Answers (1)
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State two physiological processes by which humans lose heat.
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