The breakdown of antipodals
A. is a normal part of development in the ovule.
B. would result in a seed without a seed coat.
C. would produce an ovule with no egg cell.
D. would cause a failure in endosperm development.
A. is a normal part of development in the ovule.
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The amino acids in each molecule are linked by peptide bonds. What parts of the amino acids are involved in these bonds?
a. the carbon atom in one amino acid and the nitrogen atom in the second aminoacid b. the carbon atom in one amino acid and the sulfur atom in the second amino acid c. the carbon atom in one amino acid and another carbon atom in the secondamino acid d. the carbon atom in one amino acid and a phosphorus atom in the second aminoacid
in a hypotonic solution, the cell will ________ water
Fill in the blank(s) with the appropriate word(s).
A mutation of an autosomal recessive trait can remain undetected for generations
a. True b. False
Which of the following is true of embryonic stem cells but not of adult stem cells?
A) They normally differentiate into only eggs and sperm. B) They can give rise to all cell types in the organism. C) They can continue to reproduce for an indefinite period. D) One aim of using them is to provide cells for repair of diseased tissue.