The DNA molecule is made of a double helix structure, of two strands wound against each other. The nitrogenous bases are found along the axes of the DNA strands. The basic unit of a DNA is the nucleotide,made up of: The nitrogenous bases(Adenine, Thyamine, Cytosine, Guanine), the deoxyribose sugar and a phosphate molecule. Several nucleotides make up a DNA molecule. The nitrogenous bases are connected by hydrogen bonds in the order A-C, T-G.
Chiry answered the question on November 12, 2017 at 16:32
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Describe the process involved in DNA coding to a protein molecule
(Solved)
Describe the process involved in DNA coding to a protein molecule
Date posted:
November 12, 2017
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Answers (1)
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Which type of muscles are found in mammalian heart?
(Solved)
Which type of muscles are found in mammalian heart?
Date posted:
November 12, 2017
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Name two digestive enzymes that work best at acidic conditions in human body.
(Solved)
Name two digestive enzymes that work best at acidic conditions in human body.
Date posted:
November 12, 2017
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Prevalence of helicobacter pylori among patients attending Kakamega county teaching and referral hospital
(Solved)
Prevalence of helicobacter pylori among patients attending Kakamega county teaching and referral hospital
Date posted:
November 11, 2017
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State the excretory products of plants and some of their economic importances
(Solved)
State the excretory products of plants and some of their economic importances.
Date posted:
November 10, 2017
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Answers (1)
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Describe the continuous process of water movement from the soil to the leaf of a plant.
(Solved)
Describe the continuous process of water movement from the soil to the leaf of a plant.
Date posted:
November 10, 2017
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Name the organelle in which synthesis and transport of lipids takes place.
(Solved)
Name the organelle in which synthesis and transport of lipids takes place.
Date posted:
November 10, 2017
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Name two classes of phylum Chordata whose members are endothermic.
(Solved)
Name two classes of phylum Chordata whose members are endothermic.
Date posted:
November 10, 2017
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Answers (1)
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What is the difference between exoskeleton and endoskeleton?
(Solved)
What is the difference between exoskeleton and endoskeleton?
Date posted:
November 9, 2017
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Answers (1)
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What is F.S.H in oestrus cycle?
(Solved)
What is F.S.H in oestrus cycle?
Date posted:
November 8, 2017
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Name one cell organelle found in the actively respiring tissues
(Solved)
Name one cell organelle found in the actively respiring tissues
Date posted:
November 8, 2017
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Answers (1)
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Explain how plants can eliminate metabolic waste products
(Solved)
Explain how plants can eliminate metabolic waste products
Date posted:
November 8, 2017
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State two roles of DNA
(Solved)
State two roles of DNA
Date posted:
November 8, 2017
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Answers (1)
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Give four features of movable joints
(Solved)
Give four features of movable joints
Date posted:
November 8, 2017
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Describe the structure and function of skeletal muscles
(Solved)
Describe the structure and function of skeletal muscles
Date posted:
November 8, 2017
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Explain how muscles cause movement of the human arm
(Solved)
Explain how muscles cause movement of the human arm
Date posted:
November 8, 2017
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In an experiment to investigate a factor affecting photosynthesis a potted plant was kept in the dark overnight and then exposed to sunlight with the...
(Solved)
In an experiment to investigate a factor affecting photosynthesis a potted plant was kept in the dark overnight and then exposed to sunlight with the leaf covered in a transparent flask containing sodium hydroxide pellets
a)Why was the potted plant kept in the dark?
b)State the factor being investigated in the experiment
c)State the results obtained in the leaf
d)Explain the results
Date posted:
November 7, 2017
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Answers (1)
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State the pH in the following parts of the digestive system (a)Mouth (b)Stomach (c)Duodenum
(Solved)
State the pH in the following parts of the digestive system
a)Mouth
b)Stomach
c)Duodenum
Date posted:
November 7, 2017
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Answers (1)
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State two disadvantages of using an electron microscope
(Solved)
State two disadvantages of using an electron microscope
Date posted:
November 7, 2017
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State the functions of the following organs in digestion: (a)Tongue (b)Oesophagus
(Solved)
State the functions of the following organs in digestion:
a)Tongue
b)Oesophagus
Date posted:
November 7, 2017
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Answers (1)