Answer the following statements true (T) or false (F)
1. The nucleolus is the “brain” of the cell; it directs all cell activity.
2. The flagella are the “tail” of the sperm cell and act to propel it.
3. Ribosomes are the “protein factories” of the cells.
4. The things that make rough endoplasmic reticulum rough are ribosomes.
5. The nucleolus plays an important role in the formation of ribosomes.
1. FALSE
2. TRUE
3. TRUE
4. TRUE
5. TRUE
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Which of the following is the main factor that determines body fluid volume?
a) Thirst center b) Fluid balance c) Urinary salt loss d) Compartmentalizing e) None of these choices
The parasympathetic innervation from the pelvic splanchnic nerves is responsible for erection of the female clitoris and the male penis
Indicate whether this statement is true or false.
During development in __________, the blastopore develops into the anus and the mouth is secondarily derived
A) Molluscs B) Annelids C) Arthropods D) Echinoderms Fill in the blank with the correct answer.
Which of the following is a bony feature of the lower torso?
A. Umbilicus B. Linea alba C. Serratus anterior D. Rectus abdominis E. Iliac crest