During exercise, which of the following contract for active exhalation? rectus abdominis and internal intercostal muscles pectoralis major and serratus anterior muscles diaphragm and internal intercostal muscles diaphragm and external intercostal muscles rectus abdominis and diaphragm muscles

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.