HW 08 ?'s

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plant cells and some protists

Chloroplasts are found in __________.

on the rough endoplasmic reticulum

Digestive cells produce and secrete many enzymes that break down ingested food. These cells have a large number of ribosomes __________.

The protein is folded, then packaged for transport to the Golgi apparatus.

How are cell surface proteins exported out of the cell?

the endoplasmic reticulum

Membrane proteins are synthesized by ribosomes that are attached to _____.

integrin

Signals are transmitted between the extracellular matrix to the cytoskeleton through __________ proteins.

convert light energy to chemical energy

The function of the chloroplast is to _____.

microtubules, intermediate filaments, and microfilaments

The internal skeleton of a cell is composed of _____.

ATP

The purpose of cellular respiration is the production of __________.

They are constructed of interrelated membranes.

What do the rough endoplasmic reticulum, Golgi apparatus, and lysosomes have in common?

The finished products of the Golgi apparatus may leave the cell through vesicles that fuse with the plasma membrane.

What is the relationship between the Golgi apparatus and the plasma membrane?

extracellular matrix

Which of the following components is external to the plasma membrane?

microtubules

Which of the following cytoplasmic structures functions in the transport of vesicles from the endoplasmic reticulum to the Golgi apparatus?

transport vesicles

Which of the following structures is essential for the successful operation of the endomembrane system?

plasmodesmata

Which plant structure is most like gap junctions in animal cells?

Both mitochondria and chloroplasts descended from free-living prokaryotes engulfed and maintained by early eukaryotic cells.

Why do both mitochondria and chloroplasts possess circular chromosomes?

The intestinal cells are bound together by tight junctions.

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?

dynein arms

a special motor protein that can harvest energy from ATP.

lysosomes

breaks down macromolecules using digestive enzymes

Mitochondria

converts chemical fuel into packets of chemical energy that can power the cells

synthesizing receptor proteins

function of the rough endoplasmic reticulum?

smooth ER

site of lipid synthesis

nucleus

stores the genetic information of the cell

breaking down of damaged organelles, such as mitochondria

typical function of lysosomes?

ribosome

works with mRNA to synthesize proteins


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