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Life Science (morgan Monday)
Test Description: Life science
Instructions: Answer all questions to get your test result.
1) a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.
A
living
B
cell wall
C
cell membrane
D
tissue
2) alive.
A
Cell Wall
B
Cytoplasm
C
Mitocondria
D
living
3) a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
A
tissue
B
organ
C
cell wall
D
nonliving
4) any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
A
Organism
B
Tissue
C
Stem cells
D
Organ system
5) a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
A
nucleus
B
Lysosome
C
Vacuole
D
Smooth/Rough Endoplasmic Reticulum
6) special human cells that have the ability to develop into many different cell types, from muscle cells to brain cells
A
Differentiation
B
Eukaryotic
C
Prokaryotic
D
Stem cells
7) a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
A
Unicellular
B
Chromosomes
C
Living
D
Nonliving
8) a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates
A
flour
B
peper
C
salt
D
glucose
9) an individual animal, plant, or single-celled life form.
A
Centriole
B
DNA
C
Chromosomes
D
organism
10) a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some which can cause disease.
A
Nucleolus
B
Stomach
C
Bacteria
D
Nucleu
11) a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
A
Bacteria
B
Stem cells
C
Virus
D
centriole
12) a plastid that contains chlorophyll and in which photosynthesis takes place.
A
Organism
B
chloroplast
C
Stem cells
D
Organ system
13) the semipermeable membrane surrounding the cytoplasm of a cell.
A
Ribosomes
B
cell membrane
C
cell
D
Centriole
14) the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
A
Centriole
B
DNA
C
cell theroy
D
Chromosomes
15) a group of organs that work together as a biological system to perform one or more functions.
A
Mitocondria
B
Cytoplasm
C
organ system
D
Chloroplast
16) a biological agent that reproduces inside the cells of living hosts
A
Lysosome
B
virus
C
Vacuole
D
Ribosomes
17) the action or process of differentiating
A
Ribosomes
B
Chromosomes
C
Centriole
D
Differentiation
18) a muscular organ located on the left side of the upper abdomen.
A
Cytoplasm
B
stomach
C
Chloroplast
D
Mitocondria
19) an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
A
Cell Theory
B
Lysosomes
C
Prokaryotic
D
Cells
20) deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes
A
Nonliving
B
Living
C
DNA
D
Unicellular
*select an answer for all questions
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