question 11\nlactic acid is produced in muscles that has less or no oxygen.\ntrue\nfalse\nquestion 12\nwhich…

question 11\nlactic acid is produced in muscles that has less or no oxygen.\ntrue\nfalse\nquestion 12\nwhich molecule contains a binding site for crossbridge attachment?\nactin\ncalcium\nmyosin\natp

question 11\nlactic acid is produced in muscles that has less or no oxygen.\ntrue\nfalse\nquestion 12\nwhich molecule contains a binding site for crossbridge attachment?\nactin\ncalcium\nmyosin\natp

Answer

Brief Explanations:

For Question 11, during anaerobic respiration in muscles (when there is less or no oxygen), lactic - acid fermentation occurs and lactic acid is produced. For Question 12, in muscle contraction, myosin forms cross - bridges with actin, and actin has binding sites for crossbridge attachment.

Answer:

Question 11: True Question 12: Actin