Biology final exam Flashcards
Protein synthesis is ________________, meaning that it is a process that can reliably make the same protein from the same code again and again.
-Flexible
-Stable
-Complementary
Stable
Cellular ________________ refers to all the processes that get, save and spend energy in an organism.
-Conservation
-Anabolism
-Metabolism
Metabolism
The law of ________________ states that Energy cannot be created or destroyed, only changed from one form to another.
-Universal Gravitation
-Conservation of Energy
-Conservation of momentum
Conservation of Energy
The enzyme that aids in the replication of DNA is called ________________.
-RNA polymerase
-DNA polymerase
-Catalase
DNA polymerase
The structure of DNA can be described as:
-A single strand
-A double helix
-A globular protein
A double helix
Cell processes like photosynthesis that transform energy from radiant energy to stored chemical energy by building molecules are ________________.
-Anabolic
-Catabolic
-Systolic
Anabolic
During DNA replication, sometimes mistakes can occur in the genetic code such as insertions of extra bases, deletions or skipping nucleotides. These changes are called ________________.
-Transcripts
-Mutations
-Genes
Mutations
Transcription occurs in the ________________.
-Cytoplasm
-Nucleus
-Ribosome
Nucleus
The ATCG nitrogenous bases stand for:
-Adenine, thymine, guanine, cytoskeleton
-Adenine, thyroid, cytosine, guanine
-Adenine, thymine, cytosine, guanine
Adenine, thymine, cytosine, guanine
A(n) ________________ is an organism that gets it’s energy by making its own food, such as through photosynthesis.
-Autotroph
-Heterotroph
-Carnivore
Autotroph
The ________________ are the site of protein production in cells.
-Golgi apparati
-Nuclei
-Ribosomes
Ribosomes
Cells get ready to divide or to make proteins by copying DNA. this process is called ________________.
-Transcription
-Replication
-Translation
Replication
DNA is found in and stays in the ________________.
-Cytoplasm
-Nucleus
-Endoplasmic reticulum
Nucleus
The process of DNA being rewritten as mRNA is called ________________.
-Transcription
-Translation
-Replication
Transcription
The process of making amino acid chains from mRNA is called ________________.
-DNA replication
-Transcription
-Translation
Translation
The small usable unit of energy for the cell that is fully “charged” and is constantly used and reformed is called ________________.
-DNA -ATP
-RNA -ADP
ATP
What type of RNA molecule is found in the cytoplasm where they join up with amino acids and carry amino acids to the ribosome?
-messenger
-transfer
-ribosomal
transfer
The ________________ structure of proteins refers to the simple order of amino acids, not how they coil, fold or interact with other chains.
-Primary
-Secondary
-Tertiary
Primary
The chemical bonds between ________________ groups in ATP store energy that can be used to power cellular processes.
-Sugar
-Phosphate
-Base
Phosphate
The segment of DNA that codes for a protein is called a(n) ________________.
-Transcript
-ADP molecule
-Gene
Gene
The nucleic acid that is a chain of nucleotides that stores information, directs metabolic process of cells and is copied and transmitted is called ________________.
-DNA
-RNA
-ATP
DNA
In DNA to DNA complimentary base pairing:
-A pairs with U; C pairs with G
-A pairs with T; C pairs with G
-A pairs with C; T pairs with G
A pairs with T; C pairs with G
Reactions that build molecules and store energy
-anabolism -catabolism
-autotrophs -heterotrophs
anabolism
Organisms that depend on other organisms for food (consumers)
-anabolism -catabolism
-autotrophs -heterotrophs
heterotrophs
Organisms that make their own food (producers)
-anabolism -catabolism
-autotrophs -heterotrophs
autotrophs
Reactions that break things down and release energy
-anabolism -catabolism
-autotrophs -heterotrophs
catabolism
American researcher who proposed the double helix model of DNA.
-Mendel -Crick -Watson -Chargroff -Pauling
-Rosalin Franklin -Avery
Watson
Discovered that DNA is the factor that transmits traits, not proteins.
-Mendel -Crick -Watson -Chargroff -Pauling
-Rosalin Franklin -Avery
Avery
A physical chemist who lived in California and was very good at building molecular models.
-Mendel -Crick -Watson -Chargroff -Pauling -Rosalin Franklin -Avery
Pauling
Researcher who did x-ray crystallography, including photo 51.
-Mendel -Crick -Watson -Chargroff -Pauling
-Rosalin Franklin -Avery
Rosalin Franklin
A British researcher who proposed the double helix model of DNA.
-Mendel -Crick -Watson -Chargroff -Pauling -Rosalin Franklin -Avery
Crick
Discovered that across different species, DNA molecules have the same numbers of A’s as compared to T’s and C’s as compared to G’s.
-Mendel -Crick -Watson -Chargroff -Pauling -Rosalin Franklin -Avery
Chargroff
Considered the Father of genetics because he did early experiments in genetics with his pea plants.
-Mendel -Crick -Watson -Chargroff -Pauling -Rosalin Franklin -Avery
Mendel
Where does the Light-dependent phase of photosynthesis occur?
-Thylakoid disc membrane
-Stroma
-Mitochondria
Thylakoid disc membrane
Where does the light-independent phase of photosynthesis occur?
-Thylakoid disc membrane
-Stroma
-Mitochondria
Stroma
What is the main purpose of the Light-dependent phase of photosynthesis?
-To store energy in the chemical bonds of glucose
-To capture energy from the sunlight in a chemical form
-To break down glucose into a usable energy form
To capture energy from the sunlight in a chemical form
The cohesion-tension theory describes the movement of what necessary reactant in photosynthesis?
-Oxygen
-Carbon dioxide
-Water
Water
Chlorophyll pigment in the photosystems, embedded in the thylakoid disc membrane, reacts with light to split ________________ molecules, producing high energy electrons, H+ ions and oxygen gas.
-Glucose
-G3P
-Water
Water
The opening and closing of ________________ in leaves of green plants, regulates the entrance of gases, such as Carbon dioxide, and the loss of water to the surroundings.
-Stomata
-Xylem
-Phloem
Stomata
What enzyme helps to make ATP molecules in both the light phase of photosynthesis and cellular respiration? This enzyme looks like a “motor” that spins s it catalyzes the reaction.
-Rubisco
-ATP synthase
-RNA polymerase
ATP synthase
In photosynthesis, what enzyme links CO2 molecules together to make G3P in the Calvin cycle (Carbon fixation process)? It can bind both CO2 and O2, making it a key factor in whether cellular respiration or photorespiration will occur.
-Rubisco
-ATP synthase
-RNA polymerase
Rubisco
G3P can be joined to make a ________________ molecule or modified to make other energy storage compounds.
-Fat
-Glucose
-Oxygen
Glucose
Maintaining ________________ in plants, or a steady state, that allows for productive photosynthesis is dependent upon the presence of light, carbon dioxide and water.
-Temperature
-Homeostasis
-Metabolism
Homeostasis
________________ is a process in plants that occurs instead of photosynthesis that wastes energy and undoes the work of the Calvin cycle. It happens in many plants when there is a low ratio of CO2:O2.
-Photosynthesis
-Photorespiration
-Cellular respiration
Photorespiration
For plants, relatively low temperatures (but not freezing) and a high CO2:O2 ratio are considered:
-Stressful conditions
-Sketchy conditions
-Ideal conditions
Ideal conditions
________________ plants have a pathway to the Calvin cycle that temporarily (by time) separates the stages in photosynthesis to prevent the inefficient process of photorespiration in stressful conditions. Example: cactus or pinapple
-C3
-C4
-CAM
CAM
In some plants, such as corn and sugar cane, the stages of photosynthesis are spatially separated, to prevent the process of photorespiration in stressful conditions. These plants are called ________________ plants.
-C3
-C4
-CAM
C4
________________ respiration does not require oxygen.
-Aerobic
-Anaerobic
Anaerobic
The process in which food substances (cellular level) are broken down into usable energy in the form of ATP is called ________________.
-Photorespiration
-Cellular Respiration
-Photosynthesis
Cellular Respiration
________________ means “splitting sugars” and is the first step of cellular respiration but also part of anaerobic respiration.
-Glucose
-Glycogen
-Glycolysis
Glycolysis
Alcohol and Lactic acid are the products of ________________, which is also known as anaerobic respiration.
-Photosynthesis
-Fermentation
-Photosystem II
Fermentation
The Citric Acid Cycle harvests high energy electrons to feed into the Electron transport chain and occurs in the ________________.
-Cytoplasm
-Chloroplast
-Mitochondria
Mitochondria
________________ fermentation is used to make products like cheese and yogurt and is used by our muscles when vigorous exercise causes an oxygen debt (muscels run out of available oxygen).
-Alcohol
-Aerobic
-Lactic acid
Lactic acid
The electron transport chain in cellular respiration produces many ________________ energy packets perfectly usable by cells.
-ADP
-ATP
-NADPH
ATP
The study of heredity which is the passing on of traits from parent to child is called ________________.
-Homeostasis
-Genetics
-Interphase
Genetics
A “picture” of chromosomes is called a ________________.
-Haploid
-Mitosis
-Karyotype
Karyotype
The parts of DNA that code for proteins and can therefore cause a trait are called ________________.
-Genes
-Sister chromatids
-Proteins
Genes
In cells that are still in interphase, the genetic material looks fuzzy and messy, and is called ________________.
-Chromatin material
-Chromosomes
-Spindle fibers
Chromatin material
Proteins are made from long strings of amino acids and can be structural or ________________.
-Genetic
-Enzymatic
-Somatic
Enzymatic
Long strands of DNA that are complexed with proteins and condense as a cell begins the process of mitosis are called ________________.
-Chromatin
-Chromosomes
-Alleles
Chromosomes
Cells that are produced through ________________ have half the genetic information of normal body cells.
-Mitosis
-Meiosis
Meiosis
Different versions of the same gene are called ________________.
-Spindle fibers
-Centromeres
-Alleles
Alleles
The different observable physical characteristics in an organism are called the ________________.
-Phenotype
-Genotype
-Karyotype
Phenotype
Mitosis can be used as asexual reproduction, meaning that the offspring will be genetically ________________ to the parent. An example of this in budding in yeast.
-Different as compared
-Identical
Identical
________________ are a pair of chromosomes where both chromosomes have the same genes at the same locations, but can have different versions of those genes. One member of the pair is from your mom and the other is from your dad.
-Sister chromatids
-Homologous chromosomes
Homologous chromosomes
A ________________ of an organism refers to the combination of alleles in an organism, or the actual genetic code.
-Genotype
-Phenotype
Genotype
________________ are exact copies (duplicate of the chromosome) of each other and are held together at the centromere.
-Sister chromatids
-Homologous chromosomes
Sister chromatids
Cells that have homologous pairs of chromosomes are considered ________________, because they have two of each chromosome, like our normal body cells.
-Haploid
-Diploid
Diploid
The division of the cytoplasm of a dividing cell forming two new cells.
-Interphase
-Mitosis
-Cytokinesis
Cytokinesis
Separating a cell’s duplicated chromosomes.
-Interphase
-Mitosis
-Cytokinesis
Mitosis
Formation of a cell wall from the inside-out in plant cells.
-Interphase
-Mitosis
-Cytokinesis
Cytokinesis
“normal” cell life; the time between cell divisions.
-Interphase
-Mitosis
-Cytokinesis
Interphase
Two new nuclei form.
-Interphase
-Mitosis
-Cytokinesis
Mitosis
Building up supplies of cellular parts and copying chromosomes.
-Interphase
-Mitosis
-Cytokinesis
Interphase
The sister chromatids come undone at the centromere and are pulled to either end of the cell.
-Metaphase -Telophase
-Anaphase -Prophase
Anaphase
Chromosomes line up in the middle of the cell.
-Metaphase -Telophase
-Anaphase -Prophase
Metaphase
Centrioles divide and move to opposite ends of the cell and chromosomes condense.
-Metaphase -Telophase
-Anaphase -Prophase
Prophase
Two new nuclei begin to form.
-Metaphase -Telophase
-Anaphase -Prophase
Telophase
________________ are cells that have not yet differentiated into specialized cells.
-Stem cells
-Somatic cells
-Gametes
Stem cells
The process of cells taking on different characteristics and jobs is called ________________.
-Mitosis
-Meiosis
-Cell differentiation
Cell differentiation
Cells that have the potential to become many different types of cells during development , but not all types of cells are called ________________.
-Totipotent stem cells
-Pluripotent stem cells
-Somatic cells
Pluripotent stem cells
________________ genes are a special set of genes in a developing organism that act like a map determining embryonic development.
-Homeotic
-Co-dominant
-Autosomal
Homeotic
Cells that have the potential to become any kind of cell after differentiation are called ________________.
-Totipotent stem cells
-Pluripotent stem cells
-Somatic cells
Totipotent stem cells
The field of ________________ is mostly concerned with the moral principles that govern biological research and applications of that research.
-Epigenetics
-Bioethics
-Economics
Bioethics
The type of stem cells that are present in a zygote and throughout embryonic development are called ________________ stem cells.
-Somatic
-Embryonic
-Promoter
Embryonic
________________ is a general word that can refer to a Protozoa and Chromista.
-Food -Protist -Protozoa -Move -Eukaryotes
Protist
The Protozoa and Chromista are all ________________, which means that their cells have membrane bound nuclei and membrane bound nuclei and membrane enclosed organelles.
-Food -Protist -Protozoa -Move -Eukaryotes
Eukaryotes
The word ________________ means “first animals”.
-Food -Protist -Protozoa -Move -Eukaryotes
Protozoa
Protista are classified based on how they obtain ________________ and how they ________________.
-Food -Protist -Protozoa -Move -Eukaryotes
Food; Move
All of the following describe Protozoa except:
-Tend to be heterotrophic
-Tend to be motile
-Are autotrophic
Are autotrophic
Which statement describes Flagellates?
-Use cilia to move and absorb food across their membrane
-Have 1 or more flagella and absorb food across their membrane
-Have cilia and ingest their food through an oral groove and gullet
Have 1 or more flagella and absorb food across their membrane
The ________________ is able to both make its own food through photosynthesis and absorb food across its membrane.
-Paramecium
-Euglena
-Amoeba
Euglena
Sarcodines are known for ________________.
-Making spores at some point during their lifecycle
-Having pseudopodia
-Being covered in cilia
Having pseudopodia
The euglena uses ________________ to move.
-Pseudopodia
-Cilia
-Flagella
Flagella
Amoeba use ________________ to engulf food, then digest the food in a food vacuole that is created in the process.
-Contractile vacuole
-Pseudopodia
-2 Nuclei
Pseudopodia