Which enzyme in

e. coli is responsible for relieving the tension ahead of the fork that results when the dna unwinds to form the replication "bubble" or "eye"?

The strongly acidic nature of DNA poses a problem. Why do Watson and Crick think that the DNA "dyad", formed by hybridization of two negatively charged molecules, is stable?

Which of these structures is found in the dermis? a. Sweat and oil glands b. Keratin and melanin c. Primarily dead cell d. Insulating fat layers

The terms aerobic fitness and cardiorespiratory fitness mean the same thing True or false?

Which statements are true for chloroplasts? select the three that apply?

How do scientists know what the surface of venus looks like?

Suppose that the accepted anatomical position is to have the palm facing backward. and how would this new position change your descrition of the palm and thumps

Which of the following cells or structures are associated with asexual reproduction in fungi? a. ascospores c. zygosporangia b. basidiospores d. condiophores

A molecule is involved in a chemical reaction causing the arrangement of it atoms to change. What is the result of this process?

What is an adaptation? why must organisms adapt? why are there different adaptations? Use and example to explain all your answers

An annual plant bears fruit or flowers every year. a. True b. False