Individuals who have achieved a high level of cardiorespiratory fitness are capable of performing 30-60 minutes of vigorous activity without undue fatigue.
a. true
b. false
a. true
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Anchoring organs in plants that absorb water and nutrients are referred to as ____
a. stems b. leaves c. roots d. thalli e. tracheids
Briefly describe the structure of an insect society. What are the benefits associated with this
organization? What will be an ideal response?
A type of asexual reproduction in angiosperms involving meiosis with no chromosome pairing and meiosis II does not occur is called
a. apomixis b. syngamy c. apogamy d. meiogenesis e. parthenogamy
Which of the following is NOT part of the structure of the nucleosome core particle?
A. It is composed of an octamer of proteins. B. There is a linker region between two nucleosomes of about 200 base pairs. C. There are two copies each of H2A, H2B, H3 and H4. D. The DNA is wrapped around the core slightly over two complete turns E. The DNA wrapped around the core contains 146-147 base pairs.