8. In rabbits, coat color is governed by four alleles that constitute a multiple allelic series: C = agouti; cch chinchilla; ch = Himalayan; c = albino. The dominant hierarchy is as follows: C> cc>ch > c. Determine the phenotypic ratios of the progeny from the following crosses: a. Cech x Cc b. Cch x Cch

9 12 15 Which of the following is the voltage sensor that most directly leads to an increase in cytoplasmic Ca++ in skeletal muscle? оо DHP/Ryanodine receptor, Ca++ pump in sarcoplasmic reticulum Ca++ pump in plasma membrane K+ channel Both B and C

Question Completion Status O myosin filament O myofibril QUESTION 5 Identify the structure of the muscle fiber as indicated by the arrow in the image. O myofibril O muscle fiber O fascicle O myofilament Click Save and Submit to save and submit. Click Save All Answers to save all answers.

Q1 - A/ What are lever classes in the body, give me schematic examples of each. B/ m-10N, W=12N ; between N and F the distance 15 cm; Find the distance between W and F.

What is Myesin?

please answer 18-21

12:30 Synapses 2 Question 9 Unanswered Choose the signal transduction mechanism used by acetylcholine to initiate skeletal muscle contraction. A lonotropic receptor Tyrosine kinase receptor C G-protein receptor D JAK kinase receptor E Gene activation A Submit B

I need help with #20