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