The plasma membrane regulates the transport of molecules into and out of the cell by allowing only certain substances to pass; thus it is said to be ________
Fill in the blank(s) with correct word
selectively permeable
Biology & Microbiology
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What is the relationship between DNA, chromosomes, genes, RNA, proteins, transcription, and translation?
What will be an ideal response?
Biology & Microbiology
What feature is common to all cells?
a. Plasma membrane b. Chloroplast c. Nucleus d. Flagella e. Mitochondria
Biology & Microbiology
What is the function of companion cells?
a. These cells provide metabolic support to vessel elements. b. These cells provide metabolic support to sieve elements. c. These cells provide metabolic support to tracheids. d. These cells prevent water from entering the endodermis. e. These cells control the opening and closing of stomata.
Biology & Microbiology
The rate of fertilization increases with the time that a male spends mating.
a. true b. false
Biology & Microbiology