Cellular Foundations in Biochemistry Exam Questions and Answers 100% Solved

Cellular Foundations in Biochemistry

Exam Questions and Answers 100%

Solved


The simplest elements ______________were formed. - ✔✔(hydrogen and

helium)

What happened 15-20 billion years ago? - ✔✔There was a cataclysmic

eruption of hot, energy rich subatomic particles.

It is called the dying star. - ✔✔Supernova

Supernovae (Plural Form)

How many years ago when the earth was formed? - ✔✔4.6 Billion years

ago

What is the early earth called? - ✔✔Dynamic

Chemical formed except oxygen: - ✔✔• Nitrogen

• Nitrogen

oxides

• Carbon

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, dioxide

• Methane

• Ammonia

• Hydrogen

• Hydrogen

Sulfide

A collection of chemicals trapped within membranes. - ✔✔PROTOBIONT

-the first living things

- arose between 3.9

and 3.5 billion years

ago - ✔✔PROKARYOTES

Earth's first photosynthesizers - ✔✔The cyanobacteria: appeared 2.4 billion

years ago, set the

stage for a remarkable transformation

Eukaryotes probably evolved by a

process called _________________ A symbiotic relationship where one

organism lives inside the other. - ✔✔Endosymbiosis

First eukaryotic cell called________. - ✔✔Algae

The start of the multicellular life: - ✔✔EUKARYOTES


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