Chapter 4 (bio) inside the cell
chloroplasts and mitochondria are both
involved in energy transformations in the cell
what is the function of the centrosome?
it oversees the building and dismantling of microtubules
in mitochondria, the enzyme-filled cavity that is surrounded by the inner membrane is called the ______
matrix
the process of cellular respiration occurs in the ______ of a eukaryotic cell.
mitochondria
the __________ are associated with the cytoskeleton and allow movements of organelles within cells, among other types of movements.
motor proteins
the type of protein that interacts with actin to produce movement is called ________
myosin
where in the eukaryotic cell are the subunits of ribosomes produced?
nucleolus
what organelle consists of saccules and vesicles that process, package, and distribute molecules about or from the cell
golgi apparatus
what is an accurate description of the structure of a chloroplast?
double smooth membranes surrounding a highly folded third membrane and a fluid called the stroma
name some motor proteins
dynein, myosin and kinesin
items leaving the nucleus through the nuclear pores would enter what component of the endomembrane system?
endoplasmic reticulum
this organelle is part of the endomembrane system and is connected directly to the outer membrane of the nuclear envelope
endoplasmic reticulum
the outer barrier of the nucleus is called the nuclear ______
envelope
true or false: chromatin is the highly condensed DNA and protein that becomes visible just prior to cell division in eukaryotic cells.
false
true or false: chromosomes are rod-like structures that consist only of DNA
false
the openings in the nuclear envelope that permit the passage of mRNA into the cytoplasm are called nuclear ______
pores
the liquid found in the chloroplast is called the
stroma
the network of interconnected protein tubules and filaments running from the nucleus to the plasma membrane is called_____
the cytoskeleton
the site of the capture of solar energy in plants is the ___
thylakoid
a large, membrane-bound sac found in plant cells that may contain water, plant pigments, or fat is a _________
vacuole