Which sequence represents the most typical order of events in seed germination?
a. shoot cells divide and elongate ? root cells divide and elongate ? seed coat splits ? water imbibition
b. seed coat splits ? water imbibition ? root cells divide and elongate ? shoot cells divide and elongate
c. water imbibition ? seed coat splits ? root cells divide and elongate ? shoot cells divide and elongate
d. water imbibition ? root
Ans: c. water imbibition ? seed coat splits ? root cells divide and elongate ? shoot cells divide and elongate
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In what ways can biologists contribute to the challenges faced by humanity in the 21st century?
A. All of the answer options are correct. B. They can develop crops that yield more food in the face of changing environmental conditions. C. They can make predictions about how global change will impact species and communities. D. They can work with lawmakers to ensure that government policies are environmentally sound. E. They can develop new methods to fight diseases.
Newtons 1st law of motion
What will be an ideal response?
Which chemical carries the DNA's instructions for synthesizing a particular protein from the nucleus to the cytoplasm?
A) transfer RNA B) messenger RNA C) RNA transcriptase D) ribosomal RNA
One way embryonic cells can identify where they are within in an embryo is by engaging in the process of
A. cell differentiation or differential expansion B. cell proliferation C. programmed cell death D. induction from adjacent cells