Cell Processes Part 1 Question Preview (ID: 27494)
PART 1.
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Proteins are made up of smaller units called______.
a) amino acids
b) enzymes
c) nucleic acids
d) sugars
_________ is an inorganic compound?
a) DNA
b) Oxygen
c) Starch
d) Water
______ is the main method by which small molecules move across the cell membrane.
a) Active Transport
b) Diffusion
c) Engulfing
d) Osmosis
Plants use sunlight to make food in a process called ______.
a) fermentation
b) mitosis
c) photosynthesis
d) respiration
The first stage of respiration takes place in the ______.
a) chloroplasts
b) cytoplasm
c) mitochondria
d) nucleus
One product of fermentation in yeast cells is ______.
a) alcohol
b) glucose
c) lactic acid
d) oxygen
DNA replication occurs during ____.
a) cytokinesis
b) interphase
c) metaphase
d) prophase
The final stage of the cell cycle is called _____.
a) cytokinesis
b) interphase
c) mitosis
d) telophase
During DNA replication, adenine pairs only with _______.
a) cytosine
b) guanine
c) latic acid
d) thymine
The cell grows to its mature size during _________.
a) interphase
b) mitosis
c) prophase
d) telophase
Most______in cells could not take place without water.
a) active transport
b) chemical reations
c) osmosis
d) passive transport
_____________ is the diffusion of water molecules through a selectively permeable membrane.
a) Active transport
b) Chemical Reactions
c) Osmosis
d) Passive Transport
The pigment in green plants that captures the energy in sunlight is called ______.
a) chlorophyll
b) chromatin
c) mitochondria
d) ribosomes
Most of the energy that is released during respiration is produced in the _______.
a) chloroplasts
b) lysosomes
c) mitochondria
d) ribosomes
Each identical rod in a chromosome is called a(n) ________.
a) chromatid
b) cholorphyll
c) mitochondria
d) ribosome
A(n)_______ is a pure substance that cannot be broken down into simpler substances.
a) compound
b) element
c) glucose
d) molecule
Carbon dioxide enters leaves through _______.
a) bark
b) roots
c) stomata
d) veins
The raw materials of photosynthesis are ______and ______.
a) carbon dioxide and oxygen
b) carbon dioxide and water
c) oxygen and sugar
d) oxygen and water
The main difference between respiration and fermentation is that fermentation does not use _____.
a) carbon dioxide
b) energy
c) oxygen
d) water
During the ______ stage of the cell cycle, the cell’s nucleus divides into two new nuclei.
a) cytokineses
b) interphase
c) mitosis
d) prophase
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