Which is an endocrine gland that raises blood calcium levels?
A) parathyroid
B) thyroid gland
C) pituitary gland
D) testes
Answer: A
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Which of the following organisms are characterized by having glassy cell walls that contain silica?
A. diatoms B. amoebas C. slime molds D. dinoflagellates
The two domains of prokaryotes are Bacteria and Fungi
__________________ Indicate whether the statement is true or false.
Choose the organelle in column 2 that best matches the activity in column 1
A) mitochondria B) rough endoplasmic reticulum C) lysosome D) Golgi E) smooth endoplasmic reticulum F) peroxisomes G) plant vacuole 1) catalase 2) N-linked glycosylation 3) cytochrome P-450 4) glycosyl transferases 5) drug detoxification 6) acid hydrolases 7) turgor pressure
Isotopes of atoms ____.
A. have the same number of neutrons but a different number of protons B. behave the same chemically and biologically from other isotopes C. are the same physically and biologically but differ from other isotopes chemically D. have the same number of protons but a different number of electrons E. are produced when atoms lose electrons