Are gender traits completely a result of societal expectations? Are there any parts of the human body that get oxygen directly from the air and not from the blood?

PLZ HELP WILL GIVE BRAINLIEST

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now