In which of the following cells can more than one nucleus be found?
a. an unfertilized egg
b. neuron
c. sertoli cell
d. muscle fibre

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

You see a white marker with an orange circle and black lettering. what does this marker tell you

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.