Biology, 30.11.2020 21:00, mlstogsdill05
The contents of a cell can be chemically different from the
surrounding medium because
(1) the nuclear membrane has pores
(2) the cell membrane is semipermeable
(3) materials can enter the cell, but they cannot leave
(4) materials can leave the cell, but they cannot enter
Answers: 1
Biology, 22.06.2019 04:00, egr1387
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.
Answers: 3
Biology, 22.06.2019 21:20, saintsfan2004
Name three things that show evidence of evolution. write one sentence for each, explaining why it demonstrates evidence. (9 points)
Answers: 1
The contents of a cell can be chemically different from the
surrounding medium because
(1) t...
(1) t...
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