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?