AQA Biology GCSE Student activity
B10.1
Name
Class
Date
4 You are now going to complete the table below to describe the pathway for the
control of the internal conditions in the human body you have listed in Question 1.
Write the four terms as headings in the correct sequence in the columns below.
b Complete the table by describing each step in the pathway in the correct column
for each internal condition.
a
(4 marks)
(12 marks)
Pathway of control system
Internal
condition

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

What is the next step in muscle contraction after the actin changes shape

The genetic code is essentially the same for all organisms. based on this information, one can logically assume which of the following statements to be correct? a. dna was the first genetic material. b. the same codons in different organisms translate into the different amino acids. c. different organisms have different numbers of different types of amino acids. d. a gene from an organism can theoretically be expressed by any other organism. e. all organisms have experienced convergent evolution.