Life Science (morgan Monday) Question Preview (ID: 49564)
Life Science.
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a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.
a) tissue
b) cell wall
c) cell membrane
d) living
alive.
a) Cell Wall
b) Cytoplasm
c) Mitocondria
d) living
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) nonliving
b) cell wall
c) organ
d) tissue
any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
a) Tissue
b) Organ system
c) Organism
d) Stem cells
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) Smooth/Rough Endoplasmic Reticulum
c) Lysosome
d) Vacuole
special human cells that have the ability to develop into many different cell types, from muscle cells to brain cells
a) Prokaryotic
b) Eukaryotic
c) Differentiation
d) Stem cells
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) Chromosomes
b) Living
c) Unicellular
d) Nonliving
a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates
a) glucose
b) peper
c) salt
d) flour
an individual animal, plant, or single-celled life form.
a) Centriole
b) DNA
c) organism
d) Chromosomes
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
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) Stem cells
b) Virus
c) Bacteria
d) centriole
a plastid that contains chlorophyll and in which photosynthesis takes place.
a) chloroplast
b) Organ system
c) Organism
d) Stem cells
the semipermeable membrane surrounding the cytoplasm of a cell.
a) cell
b) Centriole
c) cell membrane
d) Ribosomes
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) cell theroy
b) Chromosomes
c) Centriole
d) DNA
a group of organs that work together as a biological system to perform one or more functions.
a) Chloroplast
b) Cytoplasm
c) Mitocondria
d) organ system
a biological agent that reproduces inside the cells of living hosts
a) Vacuole
b) virus
c) Lysosome
d) Ribosomes
the action or process of differentiating
a) Chromosomes
b) Differentiation
c) Ribosomes
d) Centriole
a muscular organ located on the left side of the upper abdomen.
a) stomach
b) Cytoplasm
c) Mitocondria
d) Chloroplast
an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
a) Cells
b) Cell Theory
c) Prokaryotic
d) Lysosomes
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
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