BIOMOLECULES IN SOME CELL ORGANELLES

Question 1

contains the DNA in its chromosomes and serves as the cell’s control center

Answer 1

NUCLEUS

Question 2

granulated threads in the nuclear fluid

Answer 2

CHROMATIN;
consist of a combination of DNA and protein (histones)

Question 3

the powerhouse of the cells that appears oval or bean-shaped under the electron microscope. It may vary in size and shape.

Answer 3

MITOCHONDRION

Question 4

The inner membrane has many folds called ___————————————-_________________ which extend into the central (or matrix) of the mitochondrion.

Answer 4

CRISTAE

Question 5

small, spherical vesicles found within eukaryotic cell; contain powerful enzymes capable of digesting organic material brought into them

Answer 5

LYSOSOME

Question 6

can breakdown worn out organelles and ship their building blocks to the cytoplasm where they are used to construct new organelles

Answer 6

LYSOSOME

Question 7

act as “suicide bags” because a break in a membrane would release digestive enzymes that help recycle worn out cell parts so they can be continuously replaced

Answer 7

LYSOSOME

Question 8

because thousands of ribosomes are attached to the membrane’s surface making it appear rough under high-powered microscopes

Answer 8

RER (ROUGH ENDOPLASMIC RETICULUM)

Question 9

a ribosome-free structure serves as a site for enzyme reactions in steroid hormone production and inactivation, detoxifies poisonous chemicals and manufacturing lipids

Answer 9

SER (SMOOTH ENDOPLASMIC RETICULUM)