Body Plan Development (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How many bases does a homeobox sequence contain?
How many bases does a homeobox sequence contain?
180 bases
What is the primary function of transcription factors?
What is the primary function of transcription factors?
Bind DNA & control gene transcription
Why are homeobox sequences similar across different species?
Why are homeobox sequences similar across different species?
They code for DNA-binding domains
What occurs in the Antennapedia mutation in Drosophila?
What occurs in the Antennapedia mutation in Drosophila?
Legs grow in place of antennae
How do Hox genes control body structures?
How do Hox genes control body structures?
They regulate other genes
How many Hox clusters do vertebrates have?
How many Hox clusters do vertebrates have?
4 clusters
What does the linear order of Hox genes correspond to?
What does the linear order of Hox genes correspond to?
Order of body regions they control
In Stage 4 of apoptosis, what happens to the cell?
In Stage 4 of apoptosis, what happens to the cell?
Phagocytes engulf & destroy debris
What is the function of proto-oncogenes?
What is the function of proto-oncogenes?
Stimulate cell division
What roles do cyclins and CDKs play in the cell cycle?
What roles do cyclins and CDKs play in the cell cycle?
Cyclins regulate, CDKs catalyze