How many chromosomes does a child inherit from his or her parents?
o 23 from the mother and 23 from the father
46 from the mother
46 from the father
o 46 from the mother and 46 from the father

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

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.

Which of the following structures is a double layer of phospholipids with proteins? a: cytoplasm b: cell membrane c: ribosome d: cell wall