missed questions Flashcards
Why does the presence of extinct forms and transitional features in the fossil record support evolution by natural selection?
supports the hypothesis that individuals change over time
The driving force behind natural selection is:
Which of the pairs of plant structures listed below are examples of structural homology?
rose bush leaf and oaktree leaf
Why does the presence of extinct forms and transitional features in the fossil record support the theory of evolution by natural selection?
True or False? Methylation of DNA makes chromatin more “loose” or less condensed.
false
The model below shows Darwin’s four postulates. Evaluate this model of Darwin’s postulate.
If the lac repressor were altered so it could not release lactose once lactose was bound to it, then you would predict that
Match the level of control to the cell type in which it occurs.
Question Selected Match
translational control
[None Given]
mRNA processing
[None Given]
post-translational modification
[None Given]
chromatin remodeling
[None Given]
RNAi
[None Given]
transcriptional control
[None Given]
How can one eukaryotic gene lead to the production of multiple different proteins?
True or False? If both glucose and lactose are found in the environment of a E. coli cell, lactose only will be used in the bacterium’s metabolism.
fals
Which of the following statements about the DNA in one of your brain cells is TRUE?
The following DNA sequence is from the coding strand. If it were mutated such that a base were inserted after the first G and the third T were deleted, how many amino acids would be changed in the mutant protein?
How does the presence of glucose in an E. coli’s environment affect the transcription of the lac operon? Select all that apply.
Which of the following are different between prokaryotic and eukaryotic transcription? Select all that apply.
