Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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the membrane - bound organelles of eukaryotic cells are contained in a …
cytoplasm
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1. define the following terms: a. genetics - b. heredity - c. trait - d…
a. The study of genes, heredity, and variation in living organisms. b. The passing - on of traits from parents to offspring. c. A characteristic or feature of an organism. d. One …
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where is the nucleolus located within an eukaryotic cell? o in the cyto…
In the nucleus
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1. what are homologous chromosomes? 2. what are gametes? are they haplo…
1. Homologous chromosomes are pairs of chromosomes, one from each parent, with the same length, centromere position, and gene - loci. 2. Gametes are reproductive cells. They are h…
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which of the following eukaryotes are multicellular animals? o amoebas …
Helminths
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the most prominent organelle in a eukaryotic cell is the
Nucleus
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1. what are the 3 main stages of the cell cycle? 2. explain what happen…
1. Interphase, Mitosis, Cytokinesis 2. In interphase, the cell grows, replicates DNA and prepares for division. The phases are G1, S, G2. 3. Interphase. It needs time for growth, …
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which of the following structures is principally composed of phospholip…
A. Cell membrane
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photosynthesis and cellular respiration photosynthesis: 1. what is the …
1. Symbols: $6CO_2 + 6H_2O\xrightarrow{light\ energy, chlorophyll}C_6H_{12}O_6+6O_2$. Words: Carbon - dioxide and water, in the presence of light energy and chlorophyll, produce g…
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which of the following eukaryotic cells move by using flagella or cilia…
B. protozoans, C. some animal cells
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compare/contrast the kinds of transport is the following solution hyper…
| Transport Type | Active or Passive | Does it need energy? | Do the molecules move down or against the concentration gradient? | Is solution hypertonic, hypotonic, or isotonic (g…
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which of the following structures separates dna from the cytoplasm in e…
C. Nuclear envelope
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active transport 1. does active transport move molecules down the conce…
1. Against the concentration gradient 2. Yes 3. Facilitated diffusion; Exocytosis 4. Endocytosis takes substances into the cell, exocytosis releases substances out of the cell.
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many eukaryotic cells have a glycocalyx. true false need help? review t…
True
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the entire contents inside a eukaryotic cell, including all of the orga…
cytoplasm
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1. when molecules diffuse across the cell membrane, do they move down t…
1. Molecules move down the concentration gradient during diffusion and it does not need energy. 2. Arrows should be drawn from inside the box (higher molecule concentration) to ou…
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1. what are the 2 main functions of the plasma membrane? 2. the plasma …
1. Structure support and regulate substance movement. 2. Allows certain substances to pass while restricting others. 3. Draw a structure with a hydrophilic head and two hydrophobi…
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select all that apply. identify the characteristics of helminths. □ mul…
Multicellular adult form, Eukaryotic
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1. compare and contrast plant and animal cells in the table below. writ…
Plant Cells: Cell wall, Chloroplasts, Large central vacuole Animal Cells: Centrioles
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multiple choice question the cytoplasmic membrane is a bilayer of in wh…
phospholipids; proteins
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2. match the organelles with their functions: 1. _____ lysosome 2. ____…
1. Lysosome - e 2. Nucleus - f 3. Cytoplasm - o 4. Golgi - n 5. Ribosomes - d 6. Centrioles - l 7. Chloroplasts - c 8. Cell Membrane - b 9. Cell Wall - a 10. Mitochondria - g 11. …
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the parts of a cell (organelles) label the organelles of a plant and an…
A. Cell - membrane: Controls substance entry and exit. B. Cytoplasm: Holds organelles, site of reactions. C. Golgi - apparatus: Modifies, sorts, packages proteins/lipids. D. Nucle…
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which of the following eukaryotes are traditionally studied by microbio…
Microscopic algae, Microscopic fungi, Protozoa, Helminths
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macromolecules 1. which special element are all living things made of? …
1. Carbon 2. It can form four - covalent bonds for complex structures. 3. Carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), sulfur (S) 4. CHONPS 5. Proteins - me…
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helminths move by using flagella. true false need help? review these co…
O False
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question 2 1 pts complex traits: are typically controlled by a single g…
are often influenced by environmental factors like nutrition.
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for a eukaryotic cell having all of the following structures, which wou…
glycocalyx
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ecosystem: biotic vs. abiotic factors 1. what is a habitat? 2. tell me …
1. A habitat is the natural place where an organism or group of organisms live, providing necessary resources for survival. 2. Organism: B, Soil: A, Sun: A, Grass: B, Ocean: A, Sn…
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3. which characteristics of living things does soil have? 4. is soil al…
3. Soil has some aspects like responding to environmental changes (in a broad non - biological sense), but lacks most key characteristics of living things such as cells, reproduct…
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step 1: transcribe the information in dna to mrna dna strands direction…
Adenine (A)
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ecosystem: biotic vs. abiotic factors 1. what is a habitat? 2. tell me …
1. A habitat is the natural place where an organism lives, providing food, water, shelter and space. 2. Organism: B, Sun: A, Soil: A, Ocean: A, Grass: B, Snail: B, Precipitation: …
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source: the bloody massacre perpetrated in king street boston on march …
B. causes of the American Revolution
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identify a few benefits of cells being motile. attraction to nutrients,…
Attraction to nutrients, Chemical avoidance, Predator avoidance
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1. what is a species? 2. an ecosystem contains all different species of…
1. A group of organisms that can interbreed and produce fertile offspring. 2. Non - living factors (abiotic factors) 3. Cell: basic unit of life; Tissue: group of similar cells; O…
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3. which characteristics of living things does soil have? 4. is soil al…
3. Soil has some characteristics like containing cells (micro - organisms) and response to stimuli, but lacks others like reproduction and unified growth. 4. Soil is not alive as …
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which of the following are boundary structures for a eukaryotic cell? m…
cytoplasmic membrane, cell wall
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which organelles are not found in plant cells? vacuoles mitochondria ch…
D. centrioles
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3. which characteristics of living things does soil have? 4. is soil al…
A. Growth; Development B. Homeostasis C. DNA D. Adaptation E. Cells F. Reproduce G. Energy H. Stimuli; Response
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which of the following eukaryotes are multicellular animals? algae, hel…
B. Helminths
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which organelle in the table is correctly matched with its function? nu…
Nucleus - Directs cell activity
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fill in the blank question eukaryotes traditionally studied by microbio…
fungi
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making a hypothesis 1. a is like an educated guess to the answer of a s…
1. For "Making A Hypothesis": - 2. If I water a plant regularly, then it will grow taller. - 3. If I provide a plant with more sunlight, then it will grow faster. - 4. If I increa…
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consider this claim: prescription drugs should not be advertised direct…
According to a study published in a medical journal, fifty - five percent of the claims made in drug ads to consumers were considered "potentially misleading" and two percent were…
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which organelle in the table is correctly matched with its function? ly…
Vacuole
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a war begins between two countries, causing a need for thousands of new…
C. World event
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which of the following eukaryotic cells move by using flagella or cilia…
B. some animal cells, C. protozoans
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multiple choice question avoidance of harmful substances or stimuli and…
Motility
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which best describes the difference between osmosis and diffusion? a. o…
D. Osmosis is the movement of water from a high to a low water concentration, while diffusion is the movement of particles from a high to a low particle concentration.
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19) base your answer on the following passage and on your knowledge of …
B. civil disobedience
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reptiles and birds excrete waste as an insoluble white solid that is ca…
by reclaiming water
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which statement describes the ability of the cell membrane to allow var…
The cell membrane is selectively permeable.
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which homeostatic process requires energy to move particles across the …
active transport
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what would most likely happen to a unicellular organism if it was expos…
It would swell and then burst.
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select all that apply identify the characteristics of helminths. multic…
Multicellular adult form, Eukaryotic
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look at the highlighted condons on the mrna. use the menus to select th…
First box: UAC Second box: CUU Third box: AUC
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the path to the civil war 1. second great awakening a. mid - 19th centu…
1a. religious 1b. (already filled correctly in the text as given) 1c. reform 1d. improve 1e. African; Exodus 2a. limited 2c. various 2d. funds 2e. school 3a. 1760
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which adaptation helps polar bears maintain a constant internal tempera…
blubber
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in this amino acid, which circle represents the r group? a h3c b o oh c…
A. $H_3C$ (circle A)
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a membrane forms an impermeable barrier around the cell or around an or…
False
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aquaporins are protein molecules that provide hydrophilic channels to a…
True
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the path to the civil war 1. second great awakening a. mid - 19th centu…
1. a. religious revivals - b. reform - c. improve - d. African - e. Moses 2. a. limited - d. money - e. school 3. a. 1760s
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quality cost loan processing 1. run credit checks: $2,426.59 appraisal …
|Quality Cost Category|Total Amount|Percentage of Total Quality Cost| |--|--|--| |Prevention|$\$1500.00$|$8.99\%$| |Appraisal|$\$9263.34$|$55.59\%$| |Internal failure|$\$2379.80$|…
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question 7 the monomers of nucleic acids are nucleotides polynucleotide…
A. Nucleotides
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select all that apply which of the following eukaryotes are traditional…
protozoa microscopic algae helminths microscopic fungi
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question 6 which of the following characteristics of lipids is incorrec…
They are hydrophilic
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you perform a benedict’s test on a series of samples but you forget to …
red
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which movement of particles would be most affected by a disorder that c…
B. active transport
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what reagent is used to test for starch? benedicts biurets lugels iodin…
C. Lugel's iodine
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water makes up a large percentage of the bodys cells. for a cell to rem…
osmosis
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sucrose and maltose are examples of: o monosaccharides o disaccharides …
C. disaccharides
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which solution would most likely cause a plant placed in it to become f…
C. hypotonic
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which organelle should be listed under \both\ in the diagram? centriole…
mitochondrion
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which organelle is used as temporary storage for water, waste products,…
A. vacuole
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what does it mean for a membrane to be selectively permeable? only cert…
Only certain molecules are allowed to pass through.
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which is a structure that directs the cells activities? nucleus golgi a…
nucleus
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which organelle should be listed under \plant only\ in the diagram? cen…
Chloroplast
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which statement is true about a cell wall but not a cell membrane? it f…
It is made mostly of cellulose.
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which of the following conclusions do the data support? select the thre…
- If you were given microarray data from the cells of a new patient belonging to either Group I or Group II, you would probably be able to tell which group the patient belongs to.…
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a scientist is comparing the outer structure of an onion cell, structur…
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
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what is the mechanism behind secondary active transport, such as gettin…
A. A proton pump is phosphorylated, pumps H+ ions up their concentration gradient, and those ions flow down their concentration gradient coupled with other molecules.
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prediction: rna determines the sequence of amino acids in proteins and …
1. Information is transcribed in DNA to mRNA. 2. mRNA leaves the nucleus. 3. Ribosome attaches to the mRNA. 4. tRNA anticodon carries an amino acid that compliments the mRNA codon…
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question 1 0.5 pts enzymatic reactions happen all the time in your body…
Non - spontaneous and have a positive delta G
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in the essay, the point is made that the right questions must be asked …
the average lifespan
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question 3 0.5 pts what is the effect of atp phosphorylation on the tra…
Phosphorylation of the transporter provides energy that induces a conformational change necessary for transport.
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question 4 0.5 pts what is the initial source of energy to drive proton…
A. ATP hydrolysis providing free energy
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which of the following experiments would provide the best data for dete…
comparing identical twins raised in the same environment with identical twins raised in different environments
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prediction: rna determines the sequence of amino acids in proteins and …
2, 3, 1, 4, 5
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which of the following experiments would provide the best data for dete…
comparing identical twins raised in the same environment with identical twins raised in different environments
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fraternal twins share ____ of the same genes, while identical twins sha…
A. 50% on average; 100%
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explain how this exploration tests t prediction: rna determines the seq…
Transcription produces: mRNA Translation takes place: a ribosome
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theoretically, which of the following diseases should be the easiest to…
diabetes, since the target cells are found only in the pancreas
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which of the following do you think contributed the most to the success…
Doctors were replacing only one gene, and they only had to insert that gene into bone marrow cells.
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if someone is a carrier of a recessive genetic disorder, it means he or…
B. one copy; does not
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if sophie has a brother or sister from the same parents, what are the c…
D. 25%
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if sophie conceives a child, and the father neither has cystic fibrosis…
0%, because the child must receive the bad gene from both parents
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beginning at the basement membrane and working toward the free surface,…
stratum germinativum, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.
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lesson 3 - using the 5 step reading process 1. previewing the text is a…
Lesson 3 - Question 2: Writing a summary, Creating a mind - map Lesson 4 - Question 1: Name of article: "The Impact of Rising Temperatures on Polar Ecosystems" (example), Web addr…
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1. viruses can be grown on culture media like bacteria. (click to selec…
1. False 2. False 3. Release 4. False
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1. viruses can be grown on culture media like bacteria. (click to selec…
1. False 2. False 3. Release 4. False
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question 1 0.5 pts enzymatic reactions happen all the time in your body…
Spontaneous and have a negative delta G