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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
cell membrane
B
tissue
C
living
D
cell wall
2) alive.
A
Cytoplasm
B
living
C
Cell Wall
D
Mitocondria
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
cell wall
B
organ
C
nonliving
D
tissue
4) any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
A
Stem cells
B
Organ system
C
Organism
D
Tissue
5) a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
A
Smooth/Rough Endoplasmic Reticulum
B
Lysosome
C
nucleus
D
Vacuole
6) special human cells that have the ability to develop into many different cell types, from muscle cells to brain cells
A
Stem cells
B
Differentiation
C
Eukaryotic
D
Prokaryotic
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
Nonliving
D
Living
8) a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates
A
salt
B
glucose
C
flour
D
peper
9) an individual animal, plant, or single-celled life form.
A
organism
B
Centriole
C
DNA
D
Chromosomes
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
Stomach
B
Bacteria
C
Nucleu
D
Nucleolus
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
Virus
C
centriole
D
Stem cells
12) a plastid that contains chlorophyll and in which photosynthesis takes place.
A
Stem cells
B
Organ system
C
chloroplast
D
Organism
13) the semipermeable membrane surrounding the cytoplasm of a cell.
A
Centriole
B
Ribosomes
C
cell
D
cell membrane
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
DNA
B
Chromosomes
C
cell theroy
D
Centriole
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
Ribosomes
C
Vacuole
D
virus
17) the action or process of differentiating
A
Ribosomes
B
Centriole
C
Chromosomes
D
Differentiation
18) a muscular organ located on the left side of the upper abdomen.
A
Mitocondria
B
stomach
C
Cytoplasm
D
Chloroplast
19) an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
A
Lysosomes
B
Prokaryotic
C
Cell Theory
D
Cells
20) deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes
A
Living
B
DNA
C
Unicellular
D
Nonliving
*select an answer for all questions
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