Which of the following statements about the nucleus is not true?

a.)the nucleus stores the coded instructions for making the cell’s proteins.
b.)the nucleus usually contains a nucleolus region which is where ribosome assembly begins.
c.)the nucleus is the site of protein assembly.
d.)the nucleus is surrounded by a nuclear envelope that lets materials in and out.

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun