A (Coulter counter/cytometer/spectrophotometer) can measure changes in the turbidity of a bacterial culture
What will be an ideal response?
spectrophotometer
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Photoperiodism in Arabidopsis thaliana depends on which of the following factors? Select all correct choices
A. the activation of photoreceptors B. daily fluctuations of CONSTANSmRNA C. daily fluctuations of AUXIN mRNA D. the accumulation and stabilization of CONSTANS E. the accumulation and stabilization of AUXIN F. the inhibition of phytochrome
The development of multicellular organisms likely originated from ____
a. colonies of unicellular organisms of the same species b. endocytosis of other cells followed by mitosis c. cooperation between different species of cells d. colonies of numerous species of cells e. endosymbiotic eukaryotes
This stage follows Telophase I
What will be an ideal response?
Being a heterotroph means ________
A) making your own food from the sun B) making your own food from oxygen C) obtaining your food by eating other organisms D) obtaining your food by photosynthesis