Questions and Answers 100% Pass
What is a cell? - ✔✔The basic unit of all living things. The smallest unit of life
What is the cell theory? - ✔✔All living things are made up of cells, cells are the basic
units of structure and function in living things, new cells are produced from existing
cells
What is a prokaryotic cell? - ✔✔cell that does not have a nucleus or organelles. But they
do contain DNA and are the oldest cell type. EX: Bacteria and archaea
What is a eukaryotic cell? - ✔✔Cell with a nucleus and membrane bound organelles.
They are larger and more complex, with many internal parts including a nucleus and
other membranous organelles.
EX:Protists, fungi, plants, and animals
plant cells - ✔✔1) have cell wall 2) have chlorophyll/chloroplasts 3) large central
vacuole
extra support from vacuoles
animal cells - ✔✔1) lacks cell wall 2) lacks chloroplasts 3) lacks large central vacuole
Define cytoplasm - ✔✔A jellylike fluid inside the cell in which the organelles are
suspended
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, what is purpose of the nucleus - ✔✔Houses genetic material (DNA) as instructions for
creating new cells
Chromatin - ✔✔Clusters of DNA, RNA, and proteins in the nucleus of a cell
Chromosomes - ✔✔threadlike structures made of DNA molecules that contain the
genes
purpose of nuclear pores - ✔✔Is to allow material to enter or exit the nucleus
protein in, ribosomal subunits out
where are ribosomes assembled - ✔✔nucleolus of the nucleus
purpose of the ribosome - ✔✔protein synthesis
what is the purpose and location of lysosomes - ✔✔found in eukaryotic animal cells
responsible for breaking down cellular debris
In plants, the role of lysosomes is undertaken by the vacuoles as traditional cell biology
dictates.
Golgi apparatus - ✔✔stack of membranes in the cell that modifies, sorts, and packages
proteins from the endoplasmic reticulum
Smooth Endoplasmic Reticulum - ✔✔An endomembrane system where lipids are
synthesized, calcium levels are regulated, and toxic substances are broken down.
Chloroplasts are - ✔✔the site of photosynthesis and found mostly in the interior cells of
leaves
•Microfilaments - ✔✔are composed of actin proteins.
needed for cell contraction and changes in cell shape
Intermediate filaments - ✔✔have varied protein composition
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