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Retest 1st 3 weeks exam

Authored by Stacy Weaver

Biology

9th Grade

Used 1+ times

Retest 1st 3 weeks exam
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 7 pts

Which of the following biological molecules is correctly paired with one of the functions it primarily serves in living cells?

nucleic acids - store genetic information

lipids - catalyze chemical reactions

carbohydrates - component of cytoskeleton

proteins - long term energy storage

2.

MULTIPLE CHOICE QUESTION

30 sec • 7 pts

Which statement describes the major role of lipids within a cell?

They cause DNA to replicate.

They move RNA in the cytoplasm.

They catalyze chemical reactions in the cell.

They are the main components of membranes.

3.

MULTIPLE CHOICE QUESTION

30 sec • 7 pts

Which of the following characteristics is a similarity between all four major classes of biomolecules?

They are all made of nucleotides

They are all made of amino acids

They are all organic compounds

They all store energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 6 pts

What level of organization encompasses an entire, complete living thing?

Organ system

Organism

Organelle

Organ

5.

MULTIPLE CHOICE QUESTION

30 sec • 7 pts

What is the simplest level of organization that can be classified as living?

tissue

molecule

cell

organ

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which structure is not present in a Prokaryotic Cell?

DNA

Nuclear Membrane

Phospholipid Membrane

Cytoplasm

Answer explanation

Prokaryotic Cells DO have DNA/RNA, have a cell membrane, and have cytoplasm, but DO NOT have a Nucleus. The DNA/RNA is just floating around in the cell.

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following is arranged in the order of INCREASING levels of organization?

Molecule, atom, cell

Cell, atom, molecule

Atom, molecule, cell

Cell, molecule, atom

Answer explanation

Atom is the fundamental unit of all matter. Molecule is a combination of 2 or more atoms bonded together. A cell is comprised of a complex combination of molecules, atoms, ions, and compounds.

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