Which of the following statements concerning complex multicellular organisms is true? - plants and animals use bulk transport systems to move gases and nutrients, but fungi and algae do not.-bulk transport systems require specialized organs like a heart to pump nutrients and dissolved gases deep into tissues that are not in contact with the external environment.- bulk transport systems move substances faster than simple diffusion.
Answers: 3
Biology, 21.06.2019 20:40, jaycie16
Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling
Answers: 3
Biology, 22.06.2019 01:30, makennahudson94
All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.
Answers: 1
Biology, 22.06.2019 03:00, lanettejohnson355
Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
Answers: 1
Which of the following statements concerning complex multicellular organisms is true? - plants and a...
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