What role does the pancreas play in digestion within the small intestine?
What role does the pancreas play in digestion within the small intestine?
1 Answer
Ask a question
Questions and Answers
How do the contractions of circular and longitudinal muscles in the small intestine aid in digestion and movement of food?
How do the contractions of circular and longitudinal muscles in the small intestine aid in digestion and movement of food?
1 Answer
What role does falsification play in cladistics, and how has new evidence led to the reclassification of plant families?
What role does falsification play in cladistics, and how has new evidence led to the reclassification of plant families?
1 Answer
How can cladograms be analyzed to deduce evolutionary relationships between species?
How can cladograms be analyzed to deduce evolutionary relationships between species?
1 Answer
How has the figwort family been reclassified based on cladistic evidence?
How has the figwort family been reclassified based on cladistic evidence?
1 Answer
Can you describe a cladogram that includes humans and other primates? What evolutionary relationships does it illustrate?
Can you describe a cladogram that includes humans and other primates? What evolutionary relationships does it illustrate?
1 Answer
How has evidence from cladistics led to re-evaluations of traditional classifications based on structure?
How has evidence from cladistics led to re-evaluations of traditional classifications based on structure?
1 Answer
What is a cladogram, and what does it show about the sequence of divergence in clades?
What is a cladogram, and what does it show about the sequence of divergence in clades?
1 Answer
What is the difference between analogous and homologous traits, and how are they identified?
What is the difference between analogous and homologous traits, and how are they identified?
1 Answer
How does the gradual accumulation of sequence differences relate to the time since two species diverged from a common ancestor?
How does the gradual accumulation of sequence differences relate to the time since two species diverged from a common ancestor?
1 Answer
Quiz Leaderboard
1st
Sourav
Score: 90%
Questions: 20
2nd
Priyanka
Score: 90%
Questions: 10
3rd
Vesnce
Score: 45%
Questions: 20
4th
Hector
Score: 40%
Questions: 10
Total Questions 2747
Top Questions
-
Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Sourav
-
Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein
-
Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities
-
Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
-
Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products
-
Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein