TEAS 7-Biology Questions and Answers
______ in DNA and RNA can lead to error in proteins. - ANSWER-Mutations
2 Types of nucleic acids: - ANSWER-1. DNA (deoxyribonucleic acid)
2. RNA (ribonucleic acid)
3 Primary types of chemical bonds: - ANSWER-1. Covalent
2. Ionic
3. Polar
4 Types of Macromolecules - ANSWER-carbohydrates, lipids, proteins, nucleic acids
A cell that secretes chemicals contain higher levels of what organelle? - ANSWER-Golgi
Apparatus
Adenine pairs with ______ in DNA, and with ______ in RNA - ANSWER-Thymine; uracil
Adipose Tissue - ANSWER-Connective tissue in the body that stores fat.
All proteins contain - ANSWER-C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Allele - ANSWER-Different types or versions of a gene
Amino acids are joined by what bond? - ANSWER-Peptide
At the molecular level, carbohydrates contain - ANSWER-Carbon, hydrogen, and
oxygen
Carbohydrate functions in living systems - ANSWER-1. storage
2. structure
3. communication/recognition
Carbohydrate monomers tend to end in - ANSWER--ose
Carbohydrate stored in the liver - ANSWER-glycogen
Carbohydrates that store energy - ANSWER-Glycogen (humans) Amylopectin and
Amylose (plants)
Carbohydrates used in cellular communication - ANSWER-Glycoprotein (immunity) &
Glycolipids (cell membrane)
, Centromere - ANSWER-Area where the chromatids of a chromosome are attached
chitin - ANSWER-carbohydrate used by fungi to add structure to their cell wall and by
insects/anthropods in their exoskeleton
Chromatid - ANSWER-one of two identical "sister" parts of a duplicated chromosome
joined at the centromere containing DNA + Protein.
Codon - ANSWER-three-nucleotide sequence on messenger RNA that codes for a
single amino acid
Combination Inheritance - ANSWER-Different alleles expressed at the same time (AB)
Dehydration Synthesis - ANSWER-A chemical reaction in which two molecules
covalently bond to each other with the removal of a water molecule (endothermic)- how
macromolecules form
DNA - ANSWER-Deoxyribonucleic acid that has a double helix structure, deoxyribose
sugar backbone, phosphate group, and nitrogenous bases
DNA contains the sugar ____________, while RNA contains the sugar ___________. -
ANSWER-deoxyribose; ribose
Endothermic Reaction - ANSWER-A reaction that ABSORBS energy in the form of heat
Enzyme - ANSWER-Protein that increases reaction rate in the body
Every monomer of nucleic acid contain 3 things: - ANSWER-1. sugar
2. phosphate group
3. nitrogen containing base
Examples of globular (hydrophilic proteins) - ANSWER-1. Enzymes
2. Antibodies
3. Hemoglobin
Fibrous, hydrophobic protein that is the main structural tissue in the body - ANSWER-
Collagen
Functions of proteins in the body - ANSWER-1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Gene - ANSWER-Group of DNA base pairs that encode a protein
Gene - ANSWER-Section of DNA that encodes a protein
______ in DNA and RNA can lead to error in proteins. - ANSWER-Mutations
2 Types of nucleic acids: - ANSWER-1. DNA (deoxyribonucleic acid)
2. RNA (ribonucleic acid)
3 Primary types of chemical bonds: - ANSWER-1. Covalent
2. Ionic
3. Polar
4 Types of Macromolecules - ANSWER-carbohydrates, lipids, proteins, nucleic acids
A cell that secretes chemicals contain higher levels of what organelle? - ANSWER-Golgi
Apparatus
Adenine pairs with ______ in DNA, and with ______ in RNA - ANSWER-Thymine; uracil
Adipose Tissue - ANSWER-Connective tissue in the body that stores fat.
All proteins contain - ANSWER-C, H, O and N (Nitrogen)
amine group (NH2) and carboxyl group (COOH)
Allele - ANSWER-Different types or versions of a gene
Amino acids are joined by what bond? - ANSWER-Peptide
At the molecular level, carbohydrates contain - ANSWER-Carbon, hydrogen, and
oxygen
Carbohydrate functions in living systems - ANSWER-1. storage
2. structure
3. communication/recognition
Carbohydrate monomers tend to end in - ANSWER--ose
Carbohydrate stored in the liver - ANSWER-glycogen
Carbohydrates that store energy - ANSWER-Glycogen (humans) Amylopectin and
Amylose (plants)
Carbohydrates used in cellular communication - ANSWER-Glycoprotein (immunity) &
Glycolipids (cell membrane)
, Centromere - ANSWER-Area where the chromatids of a chromosome are attached
chitin - ANSWER-carbohydrate used by fungi to add structure to their cell wall and by
insects/anthropods in their exoskeleton
Chromatid - ANSWER-one of two identical "sister" parts of a duplicated chromosome
joined at the centromere containing DNA + Protein.
Codon - ANSWER-three-nucleotide sequence on messenger RNA that codes for a
single amino acid
Combination Inheritance - ANSWER-Different alleles expressed at the same time (AB)
Dehydration Synthesis - ANSWER-A chemical reaction in which two molecules
covalently bond to each other with the removal of a water molecule (endothermic)- how
macromolecules form
DNA - ANSWER-Deoxyribonucleic acid that has a double helix structure, deoxyribose
sugar backbone, phosphate group, and nitrogenous bases
DNA contains the sugar ____________, while RNA contains the sugar ___________. -
ANSWER-deoxyribose; ribose
Endothermic Reaction - ANSWER-A reaction that ABSORBS energy in the form of heat
Enzyme - ANSWER-Protein that increases reaction rate in the body
Every monomer of nucleic acid contain 3 things: - ANSWER-1. sugar
2. phosphate group
3. nitrogen containing base
Examples of globular (hydrophilic proteins) - ANSWER-1. Enzymes
2. Antibodies
3. Hemoglobin
Fibrous, hydrophobic protein that is the main structural tissue in the body - ANSWER-
Collagen
Functions of proteins in the body - ANSWER-1. Provide structure
2. Provide immunity
3. Provide transport
4. Increase reaction rate (enzymes).
Gene - ANSWER-Group of DNA base pairs that encode a protein
Gene - ANSWER-Section of DNA that encodes a protein
