Which of the following form chains with overlapping ends to form a system of water-carrying tubes, and are dead when mature?
A) collenchyma cells
B) sclerenchyma cells
C) water-conducting cells
D) food-conducting cells
C
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Dinoflagellates became photosynthetic via secondary endosymbiosis
Indicate whether the statement is true or false.
Lakes that receive large amounts of organic matter from surrounding land, particularly in the form of humic materials that stain the water brown, are called ________ lakes
Fill in the blank(s) with correct word
Explain how genetic mutations that cause neurodegenerative disorders such as Huntington disease and Alzheimer disease can also cause abnormal behavior
What will be an ideal response?
Which characteristic of a chloroplast makes it appear green?
a. The outer membrane b. The inner membrane c. The stroma d. The plastid e. The chlorophyll