egg cell

What will be an ideal response?


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Biology & Microbiology

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Nearly all cells use ATP as their primary energy source. This is evidence that ___________________

A. life continues to evolve and use novel energy sources B. ATP evolved recently (in the last 100 years) as a potential source of energy C. the use of ATP by cells began eons ago and has been conserved D. only eukaryotic cells can produce ATP E. fossil fuels are composed of ATP

Biology & Microbiology

Diseases such as ulcers and cardiovascular disease

A. have been shown to be, or may be due to, a bacterial infection. B. are solely due to lifestyle. C. are solely due to genetics. D. are due to new mutations in bacteria.

Biology & Microbiology

How is the seed of an angiosperm different than the seed of a gymnosperm?

What will be an ideal response?

Biology & Microbiology

Which of these haploid strains produces ?-galactosidase constitutively but does not produce permease?

A) I – P+ O+ Z+ Y+ B) I+ P+ O+ Z – Y – C) I – P+ O+ Z – Y+ D) I+ P+ O – Z+ Y+ E) I – P+ O+ Z+ Y –

Biology & Microbiology