Cell 101
Life On Earth
Random
Animal Biology
True/False
100

Which part of the cell controls all activities and contains DNA?

Nucleus

100

All living things are made of what basic unit?

Cells

100

What are the three subatomic particles?

Protons, Neutrons, Electrons

100

What is the only mammal capable of true flight?

Bat

100

The nucleus controls most of the activities in a eukaryotic cell.

True

The nucleus acts like the control center of the cell, directing functions and storing DNA  

200

What green pigment lets plants capture sunlight for photosynthesis?

Chlorophyll

200

What term describes a group of the same species living together in one area?

Population

200

Which bones protect the lungs and heart?

Ribs

200

Which giant bird cannot fly but can run very fast?

Ostrich

200

Plants get their energy from eating soil nutrients.

False. 

Plants make their own food through photosynthesis using sunlight.

300

Name the small structures where proteins are made.

Ribosomes

300

On which islands did Charles Darwin study finches that inspired his theory of evolution?


Galapagos Islands

300

What type of cells help the body fight infections?

White blood cells

300

What land animal has the most powerful bite?

Hippopotamus

300

Enzymes are used up during chemical reactions and must be constantly replaced by the cell

False

Enzymes are not used up in reactions, they can be reused multiple times as catalysts.

400

What simple sugar is the cell’s main energy source?

Glucose

400

What do we call organisms that make their own food from sunlight?

Producers, or Autotrophs

400

What is the difference between dehydration synthesis and hydrolysis?

Dehydration synthesis combines molecules by the removal of H2O. Hydrolysis breaks apart molecules by adding H2O

400

Name one animal that can regrow an entire limb, including bone and nerves.

Salamander or Axolotl

400

During transcription, ribosomes read DNA and build proteins directly.

False

Transcription happens in the nucleus where RNA polymerase makes mRNA. Ribosomes are involved in translation, not transcription.

500

What is the process called when a cell divides to make two identical cells?

Mitosis

500

What kingdom includes organisms that absorb nutrients from decaying material

Fungi

500

What is the major enzyme involved in transcription called?

RNA Polymerase

500

What mammal has the thickest fur?

Sea Otters

500

In meiosis, the number of chromosomes is cut in half to produce gametes.

True