All of the following are functions of the cell membrane EXCEPT:a
transmitting signals.
b. participating in energy transfer.
c. being freely permeable to all substances.
d. regulating the passage of materials.
e. participating in chemical reactions.
C
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What is thought to be the origin of mitochondria and chloroplasts?
A. Cyanobacteria for mitochondria, purple bacteria for chloroplasts B. Purple bacteria for mitochondria, fungi for chloroplasts C. Purple bacteria for mitochondria, cyanobacteria for chloroplasts D. Algae for mitochondria, cyanobacteria for chloroplasts
Which statement regarding fungal reproduction is true?
A. Fungi do not produce spores. B. Fungi can only reproduce sexually. C. Many fungi can reproduce either sexually or asexually. D. All fungi can only reproduce asexually.
When a cell undergoes mitosis,
a. the daughter cells have identical genes. b. the daughter cells have genes identical to those of the "parent" cell that produced it. c. the amount of cytoplasm in the "parent" cell and in each daughter cell is equal. d. there is an exact duplication and division of all of the organelles between daughter cells. e. the daughter cells have identical genes, and these genes are identical to those of the "parent" cells that produced them.
Which of the following is true of monocot leaves?
a. Many monocots have a distinct palisade layer. b. Many monocots lack a petiole. c. Many monocots have a distinct spongy layer. d. Many monocot leaves are broad. e. Many monocot leaves have netted venation.