vascular bundles
Biology, 14.04.2021 14:00 jackolantern1437
The epidermis of a leaf contains which of the following structures
stroma
vascular bundles
stoma
chloroplasts
Answers: 2
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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
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Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.
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Archaebacteria use for movement. celia flagella pili cell walls
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The epidermis of a leaf contains which of the following structures
stroma
vascular bundles
vascular bundles
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