Answer:
The correct answer is option 3. a nucleus.
Explanation:
The first genetic material present in the early organisms were RNA which was present in the microscopic organisms back then 3.5 billion years ago which means it is normal to have RNA in such microfossils chemical analysis.
Since, the nucleus was not present in early life forms of prokaryotes like bacteria. so, it is unusual to find nucleus in the fossils of stromatolite rocks.
Thus, option III is the correct answer.
Answer:
RNA
Explanation:
Transcription is the second stage of central dogma of life (1. replication, 2. <u>transcription</u>, 3. translation).
During transcription, DNA (which is already replicated) is transcribed to RNA. This is because, the genetic information is present within nucleus and thus it is required to be transported outside the nucleus in order to perform key enzymatic functions. Therefore, transcription takes place and the genetic information travels outside in the form of RNA, where ribosomes decode this message to form proteins. The ribosomes make proteins (translation) required for enzymatic functions.
Answer:
the most random changes of mutation is mainly an organisms physical appearance
B) 25 %,
free earlobes are dominant so they are more likely, this meaning that attached is less likely, so the only thing not 50% or above is 25%
Answer:
unidentified organism: Algae
Kingdom: Protista
Explanation:
Protista is any of the eukaryotic (membrane-bound nucleus) unicellular organisms including protozoans, slime molds and some ALGAE.
ALGAE is a AQUATIC, PHOTOSYNTHETIC organism. It can either be EUKARYOTIC or prokaryotic. a good example is seaweed.