teas - science practice questions
A student is conducting an experiment to determine how temperature affects chemical reactions. Four pieces of meat are subjected to different temperatures. At which of the following temperatures will the proteins in the meat denature the fastest 0C 20C 40C 80C
80C
corpus luteum
progesterone
Which of the following measurements has the same value as 1 kilometer 10^4 meters 10^-1 hectometers 10^9 micrometers 10^6 centimeters
10^9 micrometers
Which of the following orbitals is the last to fill 1s 3s 4p 6s
6s 1s2s2p3s4s3d4p5s4d5p6s4f5d6p7s5f6d7p
What is most likely the pH of a solution containing many hydroxide ions and few hydrogen ions 2 6 7 9
9 - a solution that contains more hydroxide ions than hydrogen ions is a base, and bases have a pH greater than 7
Which of the following anatomical terms is correctly matched with its meaning? inguinal/neck cranial/skull carpal/foot cervical/wrist
cranial/skull
where is the gastrocnemius vein in relation to the femoral vein later distal superior ventral
distal
Loss of the myelin sheath surrounding neurons results in which of the following neurons lose the ability to metabolize glucose the neurons die within a short period of time neurons replicate more rapidly electrical signaling downstream cells is disrupted
electrical signaling to downstream cells is disrupted
Which of the following types of tissues functions in the covering, lining, and protection of surfaces and body cavities? connective tissue epithelial tissue nerve tissue muscle tissue
epithelial tissue
A lipid or fat molecule can be broken down into fatty acids and __________.
glycerol
The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange? Tissue Organ Organelle Organ System
Organ System
The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange? Tissues Organelles Organ system organ
Organ system
Which is NOT a major type of carbohydrate Monosaccharides Disaccharides Pentasaccharides Polysaccharides
Pentasaccharides
What is the name for the physical presentation of an organisms genes? Phenotype Species Phylum Genotype
Phenotype
What anatomical structures are involved in the production of hormones
Pituitary, Pancreas
In which segment of the nephron is glucose reabsorbed? Collecting duct Distal convoluted tubule Proximal convoluted tubule Loop of henle
Proximal convoluted tubule
Which of these does NOT match the nitrogenous base to the nucleobase Purine : Adenine Purine : Thymine Pyrimidine: Uracil Pyrimidine: Cytosine
Purine : Thymine purine bases - 2 rings - adenine and guanine pyrimidine - 1 ring - thymine/uracil cytosine
Which structure of the nervous system carries action potential in the direction of a synapse cell body axon neuron myelin
axon
Where is the scapula in relation to the olecranon distal lateral ventral superior
superior scapula - shoulder blade olecranon - elbow
Which of the following are responsible for mechanical digestions? Salivary glands teeth small intestine cecum stomach peristalsis
teeth, stomach peristalsis
homeostasis is defined as ability of human beings to keep body weight within normal limits maintenance of a constant external temperature inside a room ingestion of enough food to keep hunger pains from developing tendency of the body to maintain a stable environment
tendency of the body to maintain a stable environment
which of the following is true regarding adipocytes they are involved in the secretion of glucose they are responsible for storing the fat that is found in adipose tissue they are critical in the digestive breakdown of fat They are the foundational elements of muscle
they are responsible for storing the fat that is found in adipose tissue
How many tissue layers does the uterus have one two three four
three
Which is NOT a type of protein fibrous membrane globular unsaturated
unsaturated
Which of the following is exchanged between two or more atoms that undergo ionic bonding neutrons transitory electrons valence electrons electrical charges
valence electrons
Which of the following is a carbohydrate Cellulose Hemoglobin Estrogen ATP
Cellulose
Glucose is a monomer that can link to make which of the following biological macromolecules Enzymes Glycogen Membrane phospholipids Ribonucleic acid
Glycogen
What is the typical way a solid would turn to a liquid and then to a gas Vaporizing, then melting Melting, then freezing Vaporizing, then freezing Melting, then vaporizing
Melting, then vaporizing
There are the insects that are being compared under a microscope. As a scientist you decide the measuring them would be an important part of recording their data. Which unit of measurement would best be for this situation? Centimeters Meter Micrometers Kilometers
Micrometers
Which of the following statements is FALSE? An organelle is a specialized structure in a cell, such as a ribosome An organ is made up of similar tissues that perform the same functions Organ systems are two or more organs performing similar functions A tissue contains a single cell type that works to perform a specific function
A tissue contains a single cell type that works to perform a specific function
Every child in a certain family has been diagnosed with autism spectrum disorder. Based on this evidence, what possible conclusion can be drawn about asd ASD may be lethal ASD may be genetic ASD is related to traditional nuclear family structures No conclusions can be drawn based on this evidence
ASD may be genetic
Balance the following chemical equation: CH4 + Cl2 → CCl4 + HCl 2 CH4 + Cl2 → 2 CCl4 + HCl CH4 + Cl2 → CCl4 + HCl CH4 + 4 Cl2 → CCl4 + 4 HCl 2 CH4 + 2 Cl2 → 2 CCl4 + 2 HCl
CH4 + 4 Cl2 → CCl4 + 4 HCl
Which of the following is the most accurate description of the link between chromosomes and DNA? Chromosomes include numerous genes, each of which is made up of a DNA sequence. The DNA sequence is made up of chromosomes, which include numerous genes. Chromosomes are the building blocks of DNA. Genes contain chromosomes that are made up of DNA.
Chromosomes include numerous genes, each of which is made up of a DNA sequence.
Which of the types of tissue is responsible for providing the matrix that supports and connects other tissues of the body? Connective tissue Nerve tissue Muscle tissue Epithelial tissue
Connective tissue
Which of the following is NOT true concerning correlation Correlation can show the relationship between variables Correlation can show cause and effect Correlation can show linear relationships Correlation can show nonlinear relationships
Correlation can show cause and effect
Which of the following statements about diffusion is true? Please select all that apply. Diffusion is an active process. Diffusion is the net movement of molecules or atoms from a region of lower concentration to a region of higher concentration. Diffusion is a passive process Gas exchange in tissues is an example of diffusion. Osmosis is an example of diffusion.
Diffusion is a passive process Osmosis is an example of diffusion. Diffusion is the net movement of molecules or atoms from a region of lower concentration to a region of higher concentration. Gas exchange in tissues is an example of diffusion.
Which of the following organ systems is not correctly paired with its function? Nervous/ collecting, analyzing and integrating information that regulates intrinsic body conditions and maintains behavioral patterns Circulatory/ transport of substance to all tissues of the body Digestive/ provide defense against infectious diseases Respiratory/ breathing and gas exchange
Digestive/ provide defense against infectious diseases
Which of the following organ systems is correctly paired with its function? Endocrine / regulation of homeostasis through hormone signaling Integumentary / obtaining nutrients necessary for growth, energy, and normal body processes Gastrointestinal / transport substances to all tissues of the body Cardiovascular / providing the first layer of protection from outside pathogens
Endocrine / regulation of homeostasis through hormone signaling
What is formed when the plasma membrane surrounds a particle outside of the cells? Golgi bodies Rough Endoplasmic Reticulum Secretory vesicles Endocytic vesicles
Endocytic vesicles Endocytosis - cells absorb larger molecules
Which of the following hormones is not increased in response to dehydration? Renin Erythropoietin Aldosterone Antidiuretic hormone
Erythropoietin
How many different types of nucleotides are there in DNA? One Two Four Eight
Four
Which of the following descriptions is correct? Gas: constant volume and a definite shape Solid: no constant volume and no constant shape Liquid: no definite volume and constant shape Gas: no definite volume and no definite shape
Gas: no definite volume and no definite shape
In cats, the gene for hair length and ear type each have two alleles. The dominant allele "H" codes for short hair while the recessive allele "h" codes for long hair. The dominant allele "E" codes for curled ears while the recessive allele "e" codes for straight ears. Which of the following represents the genotype of a cat with short hair and straight ears HhEe Hhee hhEE hhee
Hhee
Which of the following is a heterotrophic organism with a genome stored in DNA? Human Virus Algae Plants
Human - Humans are heterotrophic organisms, which means that they cannot make their own food. Instead, they rely on other sources of nutrition, such as plants and animals. Humans have their genome stored in DNA.
Which of these bonds would we see between nitrogenous bases? Polar bonds Sulphide bonds Ionic bonds Hydrogen bonds
Hydrogen bonds
Which of the following is a hypothesis? Five different breeds of dogs are at the dog park. One liter of water was added to a reaction. When I added fertilizer to my plants, they grew more quickly. If a student gets more sleep, they will get a higher test score.
If a student gets more sleep, they will get a higher test score.
Which of the following is reduced as a result of the removal of the thymus gland in a 6-year old child? Thyroxine levels Immune Response Appetite Musculo-skeletal growth
Immune Response (thymus gland is located in the neck where immune cells are)
Which of the following does not correctly describe a cell membrane? Fat soluble substances such as oxygen, carbon dioxide, and alcohol can easily pass through the membrane. It is composed of a single layer of lipids interspersed with proteins. It is composed primarily of proteins and lipids. The phospholipid component has hydrophilic heads and hydrophobic tails.
It is composed of a single layer of lipids interspersed with proteins.
Which of the following cell organelles is correctly paired with its function? Ribosome/ Protein synthesis Lysosomes/ ATP production Nucleus/ Intracellular digestion Mitochondria/ Cell division
Ribosome/ Protein synthesis
Which of the following prefixes would likely be the most appropriate for measuring the weight of a 2,500 g kitten? Kilo Nano Giga Pico
Kilo
Which of the following anatomical terms is NOT part of the knee Medial collateral ligament Patella Lateral Malleolus Lateral meniscus
Lateral Malleolus - ankle joint
Which of the following statements concerning the states of matter is NOT true Plasma are high temperature collections of ions and free electrons Solids are least compressible due to the more rigid positions of the particles Gases have no definite volume and expand to fill their containers Liquids have no definite shape and no definite volume
Liquids have no definite shape and no definite volume
Which of the following organelles is responsible for digesting damaged cellular structures, as well as macromolecules and bacteria ingested by the cell? Golgi Apparatus Mitochondria Lysosomes Endoplasmic Reticulum
Lysosomes
Which of the following organelles plays a vital role in the breaking down of macromolecules? Ribosomes Rough Endoplasmic Reticulum Golgi Apparatus Lysosomes
Lysosomes
Which of the following is the process by which gametes divide and produce half the number of chromosomes found in a somatic cell? Fertilization Meiosis Gametes Zygote
Meiosis
Which of the following is the correct order of structures from simple to most complex? Neurons, mitochondria, nerve tissues, brain Brain, neurons, mitochondria, nerve tissues Mitochondria, nerve tissues, neurons, brain Mitochondria, neurons, nerve tissues, brain
Mitochondria, neurons, nerve tissues, brain
Which of the following processes correctly describe the formation of new cells in order to replace worn-out and damaged cells during injury? Mitosis Exocytosis Endocytosis Meiosis
Mitosis
Which of the following structures is correctly paired with its function? Small intestine- formation of feces Colon- formation of chyme Mouth- mechanical digestion Stomach- absorption of nutrients
Mouth- mechanical digestion
Which of the following is an example of an ionic compound C6H12O6 NaCl P2O5 NH3
NaCl
Which of the following molecules exhibits ionic bonding? NaCl CO2 C6H12O6 H2O
NaCl
Which of these body parts does NOT produce melanin Hair Nails Skin Iris
Nails
What is the correct sequence in which inhaled air passes through the respiratory tract? Drag and drop tiles to reorder the sequence. Bronchioles Larynx Bronchi Pharynx Trachea Nasal cavity
Nasal cavity Pharynx Larynx Trachea Bronchi Bronchioles
When animals eat, insulin is released from the pancreas, stimulating glucose uptake by the liver. When glucose levels drop, the pancreas reduces insulin release. This is an example of which mechanism for maintaining homeostasis? Negative feedback Positive feedback Stress response parasympathetic regulation
Negative feedback - used to reverse or minimize changes in a system
HIV is a virus that destroys the body's defense against diseases by inserting itself into the host's DNA. In which part of the infected host cell will HIV virus be found? Lysosomes Ribosomes Nucleus Peroxisomes
Nucleus
Which organelle is responsible for storing DNA? Lysosomes Golgi Apparatus Nucleus Rough Endoplasmic Reticulum
Nucleus
Osteoblasts are specialized cells that secrete the protein collagen and other substances necessary for bone formation. Which of the following organelles is more likely to be predominant in osteoblasts? Lysosomes Ribosomes Nucleus Mitochondria
Ribosomes
Which of these is a function of a ribosome? Ribosomes can decode mRNA and assemble amino acids for protein synthesis. Ribosomes carry the codons required for protein synthesis. Ribosomes move along the length of the amino acid chain to introduce peptide bonds in between them. Ribosomes transfer mRNA from the nucleus to the cytoplasm.
Ribosomes can decode mRNA and assemble amino acids for protein synthesis.
Which of the following is the name of the imaginary vertical plane that divides the body into left and right? Sagittal Coronal Horizontal Transverse
Sagittal
Which of the following is the largest organ of the human body? Kidney Skin Pancreas Lung
Skin
Which of the following statements best defines an organelle? Layer of polysaccharides outside the plasma membrane of cells Abnormal infectious proteins Specialized structure within a cell Collection of tissues used to serve a specific functions
Specialized structure within a cell
Which of the following correctly describes the difference between compact bone and spongy bone? Compact bone has trabeculae that support the bone marrow Spongy bone has more osteons than compact bone Spongy bone is lighter than compact bone Compact bone is located more interior than spongy bone
Spongy bone is lighter than compact bone
The head is _________ to the neck. Superficial Superior Inferior Proximal
Superior
A patient lying flat on their back is in which of the following positions? Prone Supine Lateral Medial
Supine
Which of the following describes the function of Rough Endoplasmic Reticulum? Synthesis and transport of proteins Facilitates movement of substance in and out of the cell Intracellular digestion of damaged structures, macromolecules, and bacteria Conversion of nutrients to ATP
Synthesis and transport of proteins The Rough Endoplasmic Reticulum is studded with ribosomes and, as such, assists in the synthesis and transport of proteins.
Which of the following is NOT provided as a result of the valid research and observations recorded by scientists A better understanding of the physical world? The ability to predict possible outcomes affected by actions The ability to prevent earthquakes and other natural disasters The creation of various substances and technologies that enhance our world
The ability to prevent earthquakes and other natural disasters
The number of protons is the same as? The atomic number Number of isotopes for the element The nuclear force The angular momentum
The atomic number
A chemistry experiment is performed to determine the effect of nonvolatile solute on the boiling point of water. Three trials are performed in which 10mg, 20mg, and 30mg of salt are added to 500mL of distilled water. Each solution is heated on a hot plate, and the elevated boiling points are recorded. Which of the following correctly identifies the independent and dependent variables? The independent variable is the amount of salt and the dependent variable is the temperature at which the water boils The independent variable is the amount of water, and the dependent variable is the temperature at which the water boils The independent variable is the temperature at which the water boils, the dependent variable is the amount of salt The independent variable is the amount of salt and the dependent variable is the amount of water
The independent variable is the amount of salt and the dependent variable is the temperature at which the water boils
Which of the following statements is true about protons? The number of protons in the nucleus is the defining property of an element. They have more mass than a neutron. They have a negative charge. Some atoms have no protons.
The number of protons in the nucleus is the defining property of an element.
A doctor needs to convince his boss to approve a test for a patient. Which statement below best communicates a scientific argument that justifies the need for the test? The patient looks like he needs this test The doctor feels the patient needs this test The patient's symptoms and health history suggest that this test will enable the correct diagnosis to help the patient The patient has excellent insurance that will pay for several tests, and the doctor would like to run as many tests as possible
The patient's symptoms and health history suggest that this test will enable the correct diagnosis to help the patient
Which of the below is the best definition for the term circulation? The transport of oxygen and other nutrients to the tissues via the cardiovascular system The force exerted by blood against a unit area of the blood vessel walls The branching air passageways inside the lungs The process of breathing in
The transport of oxygen and other nutrients to the tissues via the cardiovascular system
Which of the following is NOT a characteristic of enzymes? They change shape when they bind their substrates They can catalyze reactions in both forward and reverse directions Their activity is sensitive to changes in temperature They are always active on more than one kind of substrate
They are always active on more than one kind of substrate
Which of the following steps of protein synthesis occurs in the nucleus? Replication Transcription to mRNA Translation to amino acid Elongation
Transcription to mRNA
Which of the following does NOT obey the law of independent assortment Two genes next to each other on a chromosome Two genes on opposite ends of a chromosome Flower color and height in snapdragons Seed color and flower color in peas
Two genes next to each other on a chromosome
Which of the following correctly describes anatomical position? Seated, arms at sides, palms facing posteriorly Upright, arms at sides, palms facing anteriorly Supine, arms at sides, palms facing posteriorly Prone, arms at sides, palms facing anteriorly
Upright, arms at sides, palms facing anteriorly
Which of the following is not located on the anterior region of the human body? Sternum Vertebral column Clavicle Mandible
Vertebral column
Which of the following statements is true about viruses? Viruses will have either DNA and RNA as their genetic material, but not both. Viruses have a mix of both DNA and RNA components. All viruses only have RNA as their genetic material. All viruses only have DNA as their genetic material
Viruses will have either DNA and RNA as their genetic material, but not both.
Two cups are filled with hot tea. One of the cups is wrapped with a piece of wool. After 10 minutes, the tea in the wrapped cup is found to be warmer than the cups that was left unwrapped. Which of the following is an explanation for this observation Wool absorbs heat into the cup from the surroundings Wool prevents heat in the cup from flowing to the surroundings Wool prevents cold from flowing into the cup from the surrounding Wool produces heat by chemically interacting with the surroundings
Wool prevents heat in the cup from flowing to the surroundings
In general, where in the periodic table of elements are the elements with the largest atomic radii located upper-right corner upper-left corner bottom-left corner bottom-right corner
bottom left corner
Peyers patches area type of which of the following Gut associated lymphatic tissue Mucosal- associated lymphatic tissue Bronchus associated lymphatic tissue skin-associated lymphoid tissue
gut associated lymphatic tissue
What is a hypothetical explanation for an occurrence that is based on prior knowledge called? Independent variable dependent variable trial hypothesis
hypothesis
Which of the following is an example of a chemical change releasing compressed gas to make a bottle-rocket launch adding water to clay to make slip crystalizing honey to make candy including baking soda in a recipe to make it less sour
including baking soda in a recipe to make it less sour A chemical change involves a chemical reaction and new substances are produced
Which of the following describes cellular respiration? it is a reductive catabolic activity it is an oxidative catabolic activity it is a oxidative anabolic activity it is a reductive anabolic activity
it is an oxidative catabolic activity
Which of the heart chambers is the largest left atrium right atrium left ventricle right ventricle
left ventricle
Enzymes catalyze biochemical reactions by lowering the potential energy of the products separating inhibitors from the products forming a complex with the products lowering the activation energy of the reactions
lowering the activation energy of the reactions
White blood cells contain many _________ because they need to dispose of harmful intruders such as bacteria and viruses. Which of the following options correctly completes the statement above? mitochondria ribosomes Golgi lysosomes
lysosomes
What is the role of ribosomes make proteins waste removal transport storage
make proteins
Which of the following is an example of sublimation a puddle of water dries up on a hot day fog hangs over a lake on a cold morning pellets of solid carbon dioxide dissipate into a gas ice turns to liquid water
pellets of solid carbon dioxide dissipate into a gas
Which of the following hormones does the corpus luteum produce Human chorionic gonadotropin follicle stimulating hormone luteinizing hormone progesterone
progesterone
The _________________ is the blood vessel that carries oxygen depleted blood away from the heart.
pulmonary artery
