What are the two regulatory mechanisms that govern the replicative capacity of cells growing in vitro and in vivo?

a) b) c) d) Spongebob's dream is to become like Larry the lobster, a strong, handsome bodybuilder. He tries going to the gym but only ends up breaking his whole upper limb. After healing, he decides to start taking steroids. His muscles increase proportionately in size to the point of him dying. How do steroids bind and signal and what could be a reason he died? Surface; transcription of wrong gene expression Surface; Altering function of proteins for the worse Intracellular; Altering function of proteins for the worse Intracellular; transcription of wrong gene expression

In Griffith’s experiment, the harmless “rough” bacteria mixed with dead “smooth” bacteria were able to kill the mouse. The bacteria recovered from the dead mouse were all “smooth”, even though only the “rough” bacteria were viable. What happened?

SLI Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a) contains the TATA binding protein a b b) binds first to a promoter for RNA pol I c) bind the upstream control element in promoters for RNA polI d) none of the above

What event is common to ALL signal transduction pathways?     A)  Calcium ions bind to/ activate proteins.     B)  Cyclic nucleotides are formed.     C)  Proteins change in shape.     D)  Phosphates are transferred between molecules.     E)  Protons are transferred between molecules.

Explain the concept of rate coding.

How can the same modification of the standard genetic code happen in two organelle genomes (chloroplasts and mitochondria) and in the same organism?

How does DNA encode the instructions to make us? Select all the true statements. Group of answer choices ( select all the true answers) a) DNA encodes the heritable instructions to make proteins b) DNA is directly translated into proteins c) DNA is first transcribed into mRNA, then the mRNA is translated into protein d) RNA is first transcribed into DNA, which is then translated into protein e) Each of our cells contains the same DNA, but different genes are transcribed and translated in different cell types.

General transcription factors Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a) act at every gene for a given RNA pol b b) act only at specific genes for under specific conditions c) must be very close to the promoter C d) none of the above

Give typing answer with explanation and conclusion  What is the transcription product of the DNA templa GCTAGCGATGAC-5'? OA) CAGTAGCGATCG OB) CGAUCGCUACUG OC) CGATCGCTACUG OD) CGUTCGCUTCUG