Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately.
Explanation:
Answer: A
Explanation:
The nucleus provides the instructions for making the proteins (the DNA) and the ribosomes are actually where the proteins are made.
Answer:
Explanation:The remaining air (air that does not descend at 30 degrees North or South latitude) continues toward the poles and is known as the westerly winds, or westerlies
Answer: False
Explanation:
The urethra is a tube which runs from the bladder to the end of the penis. It functions by carrying the urine and semen outside the male body.
Urethra is made of two components. Prostatic urethera is the part that runs from the bladder through the prostrate.
The penis is only organ which carries both the fluids out of the body.