Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology Genetics > Lecture 27 > Flashcards

Lecture 27 Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

Precambrian acritarch fossils

A

first known eukaryotic cells (1.3 - 2 BYO)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How did eukaryotic cells evolve?

A
  • Nuclear membrane (rough ER pressed up agains the DNA, gaps in the appressed pieces of ER form pores
  • Endomembrane system
  • Complexity of genome
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why did the nuclear envelope arise?

A
  • Shields excessively long DNA during cell division
  • Separates processes of transcription and translation
  • in combination with endomembrane system it allowed for larger cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Process

A

Conversion to linear chromosomes allowed genome expansion –> larger genomes allowed cell differentiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

Biology Genetics (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions