Heritable units of information about traits are called __________. What will be an ideal response?
ANSWER: genes
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Which of the following basic features of transcription is NOT shared by both prokaryotes and eukaryotes?
A. Both prokaryotic and eukaryotic genes have a promoter site. B. RNA polymerase transcribes genes in both prokaryotes and eukaryotes. C. Gene transcription involves initiation, elongation, and termination in both prokaryotes and eukaryotes. D. The complexity of protein components involved in transcription is similar for both prokaryotes and eukaryotes. E. The initiation of transcription in both prokaryotes and eukaryotes involves the interactions of more than one protein.
The specialized male gametophyte of seed plants, such as gymnosperms, is called a(n) ____
a. sporopollenin b. ovule c. seed d. strobilus e. pollen grain
Cancers that arise in epithelial tissue are termed
A. carcinomas. B. leukemias. C. sarcomas. D. hybridomas. E. lymphomas.
One of two genetically identical chromosomal units that are the result of DNA replication and are attached to each other at the centromere.
What will be an ideal response?