coordinating seminar exam

A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate? a. Centrasome b. Lysosome c. Golgi apparatus d. Enzymes

d. Enzymes

In normal sexual reproduction, two mature gametes fuse to form a(n) _____________. a. Gonad b. Ovary c. Embryogeny d. Zygote

d. Zygote

Which phylum do insects belong to in the animal kingdom classification? a. Mollusca b. Arthropoda c. Chordata d. Annelida

b. Arthropoda

There are two types of cells, eukaryotic and prokaryotic. Which of the following cellular structures are found in both types of cell? a. DNA b. Golgi apparatus c. Mitochondria d. Chloroplast

a. DNA

DNA exists in the form of __________ strands of DNA coiled about each other. a. Double b. Triple c. Quadruple d. Quintuple

a. Double

Which of the following organisms is a vertabrate? a. Frogs b. Insects c. Earthworms d. Sea stars

a. Frogs

The functional unit of heredity is the _____________. a. Gene b. Chromosome c. Protein d. Nucleus

a. Gene

Which of the following is an example of a monosaccharide? a. Glucose b. Sucrose c. Lactose d. Maltose

a. Glucose

___________ occurs when organisms of different species mate and form offspring. a. Hybridization b. Interference c. Speciation d. Polyploidy

a. Hybridization

Which of the following represents the largest group of biological classification? a. Kingdom b. Species c. Class d. Genus

a. Kingdom

Genes are located within the cytoplasm of the cell. a. Nucleus b. Mitochondria c. Cytoplasm d. Endoplasmic reticulum

a. Nucleus

What is the process by which plants lose water vapor through small openings in their leaves? a. Transpiration b. Photosynthesis c. Respiration d. Absorption

a. Transpiration

Which of the following is a greenhouse gas that plays a crucial role in regulating Earth's temperature? a. Oxygen b. Carbon dioxide c. Nitrogen d. Hydrogen

b. Carbon dioxide

Which organelle is responsible for breaking down and recycling cellular waste and debris? a. Mitochondria b. Lysosome c. Endoplasmic reticulum d. Vacuole

b. Lysosome

Locomotion in Metazoa is usually due to the contraction of what? a. Skeleton b. Muscle c. Skin d. Nerves

b. Muscle

In genetics, what term describes the expression of an individual's genetic makeup? a. Genotype b. Phenotype c. Allele d. Homozygous

b. Phenotype

During which phase of the cell cycle does DNA replication occur? a. G1 phase b. S phase c. G2 phase d. M phase

b. S phase

In which organ does the majority of nutrient absorption occur in the human digestive system? a. Stomach b. Small intestine c. Large intestine d. Liver

b. Small intestine

What is the primary function of the enzyme amylase? a. Breaks down lipids b. Breaks down proteins c. Breaks down carbohydrates d. Synthesizes nucleic acids

c. Breaks down carbohydrates

The net effect of photosynthesis, chemically, is reduction, leading to the formation of which products? a. Carbon dioxide and carbohydrates b. Carbon dioxide and protein c. Oxygen and carbohydrates d. Oxygen and ATP

c. Oxygen and carbohydrates

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? a. Phototaxis b. Photoperiodism c. Photosynthesis d. All of the above

c. Photosynthesis

All of the following are similarities between unicellular organisms and multicellular organisms, except _____________. a. Internal complexity b. Division of labor c. Size d. Ecological relationships

c. Size

A multicellular organism is: a. A group of differentiated eukaryotic cells that work together to support the function of an organism b. A colony of single-celled organisms c. The simplest form of life on Earth d. Only contains prokaryotic cells

a. A group of differentiated eukaryotic cells that work together to support the function of an organism

The phrase "survival of the fittest" is an alternate phrase expressing which of the following principles? a. Natural Selection b. Inheritance of Acquired Characteristics c. Mutation d. Mendelian Inheritance

a. Natural Selection

Which of the following is a function of the smooth endoplasmic reticulum? a. Protein synthesis b. Lipid synthesis and detoxification c. Ribosome production d. ATP synthesis

b. Lipid synthesis and detoxification

What is the primary function of the hormone insulin in the human body? a. Stimulates growth b. Regulates blood sugar levels c. Controls metabolism d. Enhances immune response

b. Regulates blood sugar levels

Which of the following are NOT organelles found in animal cells? a. Nucleus and golgi apparatus b. Cellular membrane and cytoplasm c. Mitochondria and ribosomes d. Chloroplast and central vacuole

d. Chloroplast and central vacuole

Which of the following directly (as opposed to indirectly) supports Charles Darwin's theory of evolution? a. Evidence from Paleontology b. Evidence from Geographical Distribution c. Evidence from Physiology d. Evidence from Genetics

d. Evidence from Genetics

In humans, how do the sex chromosomes differ between males and females? a. Males have two X chromosomes and females have two Y chromosomes b. Females have two X chromosomes and males have two Y chromosomes c. Males have two X chromosomes and females one X chromosome and one Y chromosome d. Females have two X chromosomes and males one X chromosome and one Y chromosome

d. Females have two X chromosomes and males one X chromosome and one Y chromosome

Changes in the genetic makeup of an organism may be due to which of the following? a. New combinations of chromosomes b. Chromosome mutation c. Gene mututation d. All of the above

d. All of the above

Which of the following is a characteristic feature of viruses? a. Single-celled organisms b. Lack of genetic material c. Ability to carry out metabolism d. Dependence on a host cell for replication

d. Dependence on a host cell for replication

Which cellular structure is responsible for producing ribosomal RNA and is often called the "factory" of the cell? a. Nucleus b. Endoplasmic reticulum c. Golgi apparatus d. Nucleolus

d. Nucleolus

What it is the name given to specialized structures within cells responsible for carrying out specific functions such as providing energy and producing hormones? a. Mitiosis b. Apoptosis c. Archaeans d. Organelles

d. Organelles

What is the term for the movement of molecules from an area of high concentration to an area of low concentration, without the use of energy? a. Active transport b. Osmosis c. Facilitated diffusion d. Passive diffusion

d. Passive diffusion

What is the role of the enzyme pepsin in the digestive system? a. Breakdown of carbohydrates b. Breakdown of proteins c. Breakdown of lipids d. Absorption of nutrients

b. Breakdown of proteins

What is the primary function of the kidneys in the human body? a. Regulation of body temperature b. Filtration of blood and excretion of waste products c. Production of red blood cells d. Digestion of food

b. Filtration of blood and excretion of waste products

A cell membrane is ______________? a. Permeable b. Semipermeable c. Nonpermeable d. None of the above.

b. Semipermeable

The bodies of all insects have _______ major divisions. a. 2 b. 3 c. 4 d. 5

b. 3

How many chromosomes does an individual human person have? a. 23 b. 46 c. 64 d. 82

b. 46

Single-celled protists with animal-like behavior belong to the phylum ______________. a. Metazoa b. Porifera c. Protozoa d. Mollusca

c. Protozoa

The term thallus refers to the plant-like structure of which of the following organisms? a. Brown algae b. Lichens c. Fungus d. Mold

a. Brown algae

Many animals protect themselves with an exoskeleton. Which of the following is an example of an animal with an exoskeleton? a. Mollusk b. Bird c. Turtle d. Snake

a. Mollusk

In the scientific classification of living organisms, which category is more specific than "phylum" but more general than "species"? a. Order b. Class c. Family d. Genus

b. Class

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 characteristic chromosome number. What is this process called? a. Osmosis b. Meiosis c. Anabolism d. Differentiation

b. Meiosis

Which of the following is a characteristic feature of prokaryotic cells? a. Presence of a nucleus b. Membrane-bound organelles c. Circular DNA d. Larger size

c. Circular DNA

In cellular respiration, which stage produces the majority of ATP (adenosine triphosphate)? a. Glycolysis b. Krebs cycle c. Electron transport chain d. Fermentation

c. Electron transport chain

Which organ system is responsible for producing hormones that regulate various body functions? a. Digestive system b. Nervous system c. Endocrine system d. Respiratory system

c. Endocrine system

.Genetic information is transferred from the nucleus to cytoplasm by way of _______________. a. Hydrochloric acid b. Deoxyribonucleic acid c. Ribonucleic acid d. Amino acid

c. Ribonucleic acid

Which of the following is a characteristic of asexual reproduction? a. Genetic variation b. Involves the union of gametes c. Results in offspring with traits from both parents d. Produces genetically identical offspring

d. Produces genetically identical offspring

Sterile female honey bees are called _________________. a. Drones b. Queen c. Guards d. Workers

d. Workers