Biology, 28.07.2019 05:00 andrewmena05
Can someone me with these? 1. plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell x: has chloroplastcell y: does not have a cell wallwhich statement about the two cells is correct? a. cell x has a cell membrane. b. cell x has a small vacuole. c. cell y has a large vacuole. d. cell y has chloroplast.2. which type of molecule provides cells with energy? a. carbohydrateb. nucleic acidc. proteind. water3. which of the following levels is lower than cells in the hierarchy of organization of living things? a. moleculesb. organsc. organ systemsd. tissues
Answers: 1
Biology, 22.06.2019 08:00
Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
Answers: 1
Biology, 22.06.2019 14:30
Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
Answers: 1
Can someone me with these? 1. plant cells and animal cells were observed under a microscope. the c...
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