Sebaceous glands secret a oily fluid called sebum that keeps the skin soft and kills bacteria that may penetrate the skin. Sebum also keeps the skin hairs erect.
prince the mathematics expert answered the question on January 11, 2020 at 17:54
- Describe the role of the liver in the process of thermal regulation.(Solved)
The question is from the topic of excretion and homeostasis, subtopic; thermal regulation.
Date posted: January 11, 2020. Answers (1)
- Describe the process of Amino acid breakdown(Solved)
Describe the process of Amino acid breakdown.
The question is from the topic of excretion and homeostasis; subtopic detoxification.
Date posted: January 11, 2020. Answers (1)
- Describe the process of photolysis of water(Solved)
Describe the process of photolysis of water.
The question is from the topic of nutrition in plants and animals; subtopic photosynthesis in plants.
Date posted: January 11, 2020. Answers (1)
- Can a leaf be tested directly for the presence of starch?(Solved)
Can a leaf be tested directly for the presence of starch?
Date posted: January 11, 2020. Answers (1)
- Name the two bile salts produced by the liver.(Solved)
This question is from the topic of nutrition in form one. It's from the subtopic; digestion in animals
Date posted: January 11, 2020. Answers (1)
- Differentiate between discontinuous and continuous variations as witnessed in human beings (Solved)
The question requires the student to tell the difference in genetic variations observed in humans.
Date posted: December 27, 2019. Answers (1)
- Distinguish between haemolysis and plasmolysis (Solved)
You are required to give a differences between haemolysis and plasmolysis which occurs within the cells of living organisms
Date posted: December 26, 2019. Answers (1)
- Discuss the composition of innate immunity(Solved)
Discuss the composition of innate immunity
Date posted: November 13, 2019. Answers (1)
- In details, discuss the production of mRNA in prokaryotes(Solved)
In details, discuss the production of mRNA in prokaryotes
Date posted: November 13, 2019. Answers (1)
- Discuss three RNA polymerases that are required for transcription to take place citing their functions.(Solved)
Discuss three RNA polymerases that are required for transcription to take place citing their functions.
Date posted: November 13, 2019. Answers (1)
- Identify the major processes involved during the transcription process of DNA to mRNA.(Solved)
Identify the major processes involved during the transcription process of DNA to mRNA.
Date posted: November 13, 2019. Answers (1)
- Discuss the dogma of molecular biology(Solved)
Discuss the dogma of molecular biology
Date posted: November 13, 2019. Answers (1)
- Explain why transcription and translation occurs simultaneously in prokaryotic cells (Solved)
Explain why transcription and translation occurs simultaneously in prokaryotic cells
Date posted: November 13, 2019. Answers (1)
- Define the following terms used in genetics:
a. Replication
b. Translation
c. Transcription(Solved)
Define the following terms used in genetics:
a. Replication
b. Translation
c. Transcription
Date posted: November 13, 2019. Answers (1)
- i) In fruit flies, the gene for red eyes (R) is dominant over the gene for white eyes (r). If a true breeding red eyed...(Solved)
i) In fruit flies, the gene for red eyes (R) is dominant over the gene for white eyes (r). If a true breeding red eyed female is mated with a true breeding white eyed male, all the offspring are red eyed. However, if a true breeding white eye female is mated with a red eyed male, all the female offspring will be red eyed and the male offspring will be white eyed. Explain this apparent contradiction using genetic crosses.
ii) Work out the ratio of the expected phenotypes of a red eyed female offspring from
the above crosses and a red eyed male.
Date posted: November 13, 2019. Answers (1)
- Distinguish between the terms; homozygous and homozygote.(Solved)
Distinguish between the terms; homozygous and homozygote.
Date posted: November 13, 2019. Answers (1)
- Explain how the mammalian eye performs each of the following:-
i) Focusing far objects.
ii) Adjustment of the amount of light entering the eye in dim light...(Solved)
Explain how the mammalian eye performs each of the following:-
i) Focusing far objects.
ii) Adjustment of the amount of light entering the eye in dim light conditions.
Date posted: November 13, 2019. Answers (1)
- In which part of the retina is the image formed mostly sharply during conditions of high light intensity.
(Solved)
In which part of the retina is the image formed mostly sharply during conditions of high light intensity.
Date posted: November 13, 2019. Answers (1)
- Name four strengthening tissues in woody stems.(Solved)
Name four strengthening tissues in woody stems.
Date posted: November 13, 2019. Answers (1)
- Below is a diagram showing the fore arm bones and muscles covering them.(Solved)
Below is a diagram showing the fore arm bones and muscles covering them.
a) Name the bones represented by; T X Y Z
b) Name the joints formed between;
i) T and X
ii) Y and X
c) Name the muscles labeled P and R.
d) What happens to each muscle as the arm is straightened.
P...................
R..................
Date posted: November 13, 2019. Answers (1)