Which of the following statements characterize euphylls?
_____ They differ from lycophylls by having a single, unbranched vein rather than a branched vascular system.
_____ They are believed to have evolved from a branch that flattened and developed photosynthetic tissue between the branches.
_____ They are also called microphylls because they tend to be much smaller than lycophylls.
_____ They are the leaf-like photosynthetic structures found among bryophytes.
_____ They allow increased photosynthetic ability when compared to lycophylls.
_____ They differ from lycophylls by having a single, unbranched vein rather than a branched vascular system.
__X__ They are believed to have evolved from a branch that flattened and developed photosynthetic tissue between the branches.
_____ They are also called microphylls because they tend to be much smaller than lycophylls.
_____ They are the leaf-like photosynthetic structures found among bryophytes.
__X__ They allow increased photosynthetic ability when compared to lycophylls.
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The actual transport of protons by the proton pump is mediated by a transmembrane protein which undergoes a change in its
A. conformation. B. amino acid sequence. C. net charge. D. solubility. E. immunity.
What best explains why some organisms
‘breed true” for certain traits?
a. they have identical alleles for these traits b. their parents had the same phenotype c. both alleles for the trait are on the same chromosome d. their genotypes match their phenotypes e. they are heterozygous for these traits
A condition in which the bone is broken down faster than it is built is known as ________
Fill in the blank(s) with correct word
Denaturation disrupts the secondary and tertiary structure of proteins. However, denaturation is not strong enough to disrupt what interaction that is relevant to protein structure?
A. van der Waals attraction B. hydrophobic exclusion C. hydrogen bonds D. peptide bonds E. ionic bonds