The predominant cell type in connective tissue is the ____, which secretes components of the _____
a. neuroglia; nerve fiber sheath
b. fibroblast; extracellular matrix
c. cartilage; extracellular matrix
d. melanocytes; melanin
e. bone; skeleton
ANSWER: b
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When a plant reaches sexual maturity, the genes that control the production of __________
are inactivated and the genes that control __________ are activated.
a. flowers; leaves b. flowers; roots c. leaves; flowers d. leaves; roots
Which of the following is not used as an antiseptic?
A. Chlorhexidine B. 3% hydrogen peroxide C. Aqueous glutaraldehyde D. Iodophor E. Merthiolate
The offspring generation that resulted from crossing the true breeding plants was called the first _____ or ___ generation. He allowed the F1 generation to self-fertilize and observe the offspring. This generation was called the ____ _____ or ____- generation.
Fill in the blank(s) with the appropriate word(s).
Identify the labeled structures on the human skeleton in the picture. 
A: ________B: ________C: ________D: ________E: ________F: ________G: ________H: ________I: ________J: ________K: ________L: ________M: ________N: ________O: ________P: ________Q: ________R: ________S: ________
What will be an ideal response?