Parents arrive to the clinic with their 5-year-old child and inform the nurse the child has just been diagnosed with sickle cell disease. the parents ask the nurse how this could have happened and which one of them is the carrier. what is the best response by the nurse?

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

Resperation is a way to release carbon back into the atmosphere