BIOLOGY
semipermeable
A cell membrane is
False
A multicellular organism is a colony of indepdendant cells
Thalllophyta
Algea and fungi, without specialized organs such as leaves, stems and roots, are considered types of
False
Genes are located within the cytoplasm of the cell.
46
How many chromosomes does an individual human person have?
True
In homo sapiens, the constitution of cells of the chromosome differs between the sexes, with females having two X chromosomes and males having one X chromosome and one Y chromosome.
zygote
In normal sexual reproduction, two mature germ cells fuse to form a
Muscle
Locomotion in Metazoa is usually due to the contraction of what?
Bird
Many animals protect themselves with an exoskeleton. Which of the following is not such an animal?
3
The bodies of all insects have _______ major divisions.
True
There are two types of cells, eukaryotic and prokaryotic.
meiosis
When sexual reproduction occurs in multicellular organisms, a process takes place before cells fuse whereby a cell is left with half of its chromosomes, enabling the creation of a cell with a charactteristic chromosome number. What is this process called?
Evidence from genetics
Which of the following directly (as opposed to indirectly) supports Charles Darwin's theory of evolution?
The major parts of a cell are the
surrounding membrane, cytoplasm and nucleus
Enzymes
A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate?
double
DNA exists in the form of __________ strands of DNA coiled about each other
Ribonucleic Acid
DNA functions in the transfer of information from nucleus to cytoplasm by way of
Hydoplasm
Which of the following is not part of the metabolic sequence?
size
All of the following are similarities between unicellular organisms and multicellular organisms, except
Organelles
Cells contain which of the following to carry out specific functions like providing energy and producing hormones?
New combinations of chromosomes Chromosome mutation Gene mututation
Changes in the genetic constitution of an organism may be due to which of the following?
False
Hybridization of animals from different species cannot occur
Phototaxis Photoperiodism Photosynthesis
Light initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into a gain of potential energy?
Protozoa
One celled animals are of the phyla
workers
Sterile female honey bees are called
True
The frog is a vertebrate
gene
The functional unit of heredity is the
TRUE
The net effect of photosynthesis, chemically, is reduction, leading to the formation of simple carbohydrates and accompanied by a release of oxygen.
Natural Selection
The phrase "survival of the fittest" is an alternate phrase expressing which of the following principles?
Kingdom
Which of the following represents the largest group of biological classification?