Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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the total number of public electric charging units available for hybrid…
\( 1109 \)
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question 18 (2 points) listen what advantage does the process of crossi…
Crossing over increases genetic diversity in offspring. This genetic diversity is an advantage in reproduction as it provides a wider range of traits within a population. These tr…
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question 19 (1 point) listen identical twins jan and fran were very clo…
- The baby is Millie's half - sister. - Gamete formation involves meiosis (with crossing - over and independent assortment) and random fertilization, which together create signifi…
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match the stages of meiosis i and meiosis ii with the activity of the c…
1. Prophase 1 2. Metaphase 1 3. Metaphase 2 4. Anaphase 1 5. Anaphase 2 6. Telophase 1 7. Telophase 2 8. Meiotic Interphase or Interkinesis
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question 14 (0.5 points) listen the cell labeled a in the image below i…
a) Prophase
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question 15 (0.5 points) listen the cell labeled c in the image below i…
d) Anaphase
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question 16 (0.5 points) listen the cell labeled e in the image below i…
e) Telophase
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question 17 (2.5 points) listen match the stages of meiosis i and meios…
1. Prophase 1 2. Metaphase 1 3. Metaphase 2 4. Anaphase 1 5. Anaphase 2 6. Telophase 1 7. Telophase 2 8. Meiotic Interphase or Interkinesis
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question 13 (2 points) listen match each stage of mitosis with the acti…
- Centromeres break and sister chromatids get pulled to opposite poles of the cell: 4. Anaphase - Chromosomes are been pulled and aligned at the center of the cell: 3. Metaphase -…
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question 11 (0.5 points) listen the place where duplicated sister chrom…
- Question 11: C. centromere - Question 12: B. ascocarp
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term to refer to the collective microtubule fibers that act to move dup…
- First question: d) spindle - Second question: a) meiosis
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question 7 (0.5 points) listen an area of the plant cell where cellulos…
Question 7: C. cell plate Question 8: C. kinetochore
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which scenario represents the bottleneck effect in evolution? a. drasti…
- First question: A. Drastic reduction in population size leading to limited genetic diversity - Second question: b. The change in coloration of peppered moths during the Industri…
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changes in heritable traits within populations across generations gene …
1. d. Evolution 2. c. Natural selection 3. a. Founder effect 4. b. Gene flow 5. b. Limited genetic diversity 6. d. Microevolution involves changes within a species, while macroevo…
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question 5 (0.5 points) listen the orderly division of the cytoplasm ac…
- Question 5: D. cytokinesis - Question 6: C. chromatin
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question 3 (0.5 points) listen when only one chromosome from a homologo…
- Question 3: B. haploid - Question 4: D. aster
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question 1 (0.5 points) listen the area of the nucleus rich with enzyme…
Question 1: d) nucleolus Question 2: d) synaptonemal complex
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read the sentences below, filling in the blanks with items from this li…
1. populations 2. allele 3. macroevolutionary 4. reproductive 5. variation 6. genetic 7. populations 8. Antarctic 9. traits 10. founder
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15 what is the role of the cytoskeleton in eukaryotic cells? a. storing…
B. Providing structural support and facilitating intracellular transport
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14. how does the presence of a cell wall benefit prokaryotic cells? a. …
C. It provides structural support and protects the cell.
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13 what is the primary function of vesicles within a cell? a. storing g…
B. Transporting materials between organelles.
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12 what does the mitochondria do within the cell? a. produces energy (a…
A. Produces energy (ATP) through cellular respiration
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11 which organelle is primarily involved in the synthesis of proteins a…
A. Endoplasmic Reticulum
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read the sentences below, filling in the blanks with items from this li…
1. Federalist Party 2. Alien and Sedition Acts 3. XYZ Affair 4. Virginia and Kentucky Resolutions 5. Naturalization Act 6. Nullification 7. Alien and Sedition Acts 8. Virginia and…
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10. what is the function of the golgi apparatus in relation to proteins…
B. Modifying, sorting, and packaging them for transport.
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9. which organelle is responsible for modifying, sorting, and packaging…
A. Golgi apparatus
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8. which organelle is referred to as the control center of the cell? a.…
B. Nucleus
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7. where are ribosomes found within a eukaryotic cell? a. both free - f…
A. Both free - floating in the cytoplasm and attached to the rough ER.
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6. what is the main function of the cell membrane in both prokaryotic a…
B. To control the movement of substances in and out of the cell.
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5. what is the purpose of the cell wall in plant cells? a. to store was…
d. To provide structural support and protection
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4. which of the following is a feature unique to eukaryotic cells? a. p…
B. Presence of membrane - bound organelles.
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3. which of the following organelles is responsible for energy producti…
C. Mitochondria
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2. what is the function of the rough endoplasmic reticulum? a. synthesi…
A. Synthesizing proteins due to the presence of ribosomes.
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1. what structural feature of the cell membrane allows it to be selecti…
a. The presence of channels and pores.
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question 5 (1 point) which type of cell division reduces the chromosome…
A. meiosis
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question 3 (1 point) listen what is cytokinesis? a) creation of two new…
- Question 3: B. splitting of the cytoplasm via cell plate formation or cleavage - Question 4: B. 23
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question 1 (1 point) saved which cell cycle stages are part of interpha…
- **Question 1**: A. G1, S, G2 - **Question 2**: D. all the above
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warm-up (15 mins): what does “aerobic” and “anaerobic” mean? exit ticke…
- "Aerobic" means requiring oxygen; "anaerobic" means without oxygen. - Aerobic respiration produces more ATP.
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look at the list of some of kalks potential expenses in the coming year…
Cell phone bill, Streaming service subscription, Software subscription, Gym membership, Car insurance payment.
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value: 1 when you are in the good to excellent credit score range, you …
True
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why does bread grow mold more quickly at room temperature than in the r…
More reactants will have the energy necessary to proceed to products at room temperature than at refrigerator temperatures.
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why is photosynthesis considered important for the environment? it abso…
It releases oxygen into the air.
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what byproduct is released by plants during photosynthesis? oxygen nitr…
Oxygen
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7/10 what is glucose used for in plants? for growth and survival to abs…
For growth and survival
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6/10 what is the function of chlorophyll in photosynthesis? absorbing s…
Absorbing sunlight
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what is the role of xylem in plants? absorbing sunlight transporting nu…
Transporting water to leaves
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3/10 how do plants primarily absorb water? through the leaves from root…
From root hairs
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what are the essential components needed for photosynthesis? oxygen, so…
Carbon Dioxide, Water, and Sunlight
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what is the best way for young adults to avoid gang violence? join an a…
Join an after - school sports group.
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1/10 what is unique about how plants obtain their food? they feed on ot…
They undergo photosynthesis.
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please match the blanks (a-f) with the correct number of molecules. bre…
A: 2, B: 2, C: 6, D: 2, E: 4, F: 2
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value: 1 when you are in the good to excellent credit score range, you …
True
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why is it possible for you to study the eye colour gene by extracting c…
A. Because the nucleus of every cell in the human body contains the same genetic information.
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pcr reactions can be conducted without the presence of a primer. a. fal…
A. False
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1. 95°c for 2 minutes 2. 95°c for 30 seconds 3. 58.1°c for 30 seconds 4…
A. Step 2 = Denature; Step 3 = Anneal; Step 4 = Extend
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question 6 which of the following matches is not correct with regard to…
B. Primer = short fragment of RNA
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what is the purpose of the phosphate buffered saline (pbs) in the dna e…
d. The swab containing cheek cells is swirled around in this buffer to collect the cells.
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which is a disadvantage of using dna technology? edible vaccines phytor…
gene transfer to nontarget species
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consequences of dna technology pre - test complete 1 2 3 4 5 6 7 8 whic…
phytoremediation
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thale cress is a plant that is genetically engineered with genes that b…
B. transgenic
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why might genetically engineering a crop to be herbicide resistant resu…
B. The weeds that are not affected by the herbicide are able to reproduce.
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which is a synonym for genetic engineering? dna fingerprinting recombin…
recombinant DNA technology
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there are environmental concerns surrounding the products that have bee…
bioaccumulation
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which statement best describes the difference between xylem and phloem?…
Xylem transports water and nutrients in the plant, and phloem transports water and sugar.
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what do sclerenchyma and collenchyma have in common? they are both thin…
They both function for support.
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sal drew a diagram to compare vertebrates and invertebrates. which labe…
Have a backbone
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which statement accurately describes reproduction in animals? all anima…
All animals can reproduce sexually, and some can reproduce asexually.
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which term represents animals without backbones? o invertebrates o hete…
invertebrates
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in what respect is a mycelium and a fruiting body similar? both are mad…
- Both are made of hyphae.
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which of these are characteristics of all animal cells? check all that …
- They contain a nucleus. - They are eukaryotic. - They contain membrane - bound organelles.
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beans, peaches, and tomatoes are all in the same group of plants. what …
They bear flowers and seeds.
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this table lists examples of plants. which row (a, b, c, or d) in the t…
D. Conifers, cycads, and gingkos (Gymnosperms); Flowering plants, grains, and fruit trees (Angiosperms)
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there are four steps in bacterial conjugation. the second step is missi…
Some DNA moves from one cell to another.
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which level of classification contains orders but is smaller than phylu…
C. class
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shelby is a plant breeder who is trying to identify the cause of a dise…
Ascomycota
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these statements compare and contrast ascomycota and basidiomycota. i. …
I and IV
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which two statements correctly describe the life cycles of mosses and a…
II and IV
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which term represents animals with backbones? invertebrates heterotroph…
vertebrales
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a scientist discovers a new organism and is trying to classify it. whic…
It is multicellular and can move itself from place to place.
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which three steps describe how an animal obtains and uses energy for gr…
Third option: First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal's cells use molecules to make new cells.
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a scientist is studying an organism and has classified it as an animal.…
It is multicellular.
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which two characteristics do all animals have? they are symmetrical and…
Their cells have a nucleus and membrane - bound organelles.
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which two characteristics describe all animals? multicellular and symme…
heterotrophic and multicellular
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brendan made a chart to categorize the characteristics of animals. whic…
Display an asymmetrical body plan
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the ability of an animal to maintain a stable internal environment is c…
homeostasis
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which animal has a bilaterally symmetrical body plan?
La langosta (el animal rojo en la imagen)
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use the drop - down menus to complete each sentence. an animal has when…
1. radial symmetry 2. asymmetry 3. bilateral symmetry
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which animals are vertebrates? check all that apply jellyfish lizards h…
lizards, horses, birds
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which statements describe functions of the backbone? check all that app…
- It supports the body’s weight. - It allows for flexibility and movement.
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which statement accurately describes asexual reproduction? it always in…
It produces offspring that are genetically identical to the parent.
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a camel can survive several weeks without drinking water by simply eati…
water
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energy is the ability to cause change. energy transformation occurs whe…
Electrical energy is transformed into light and heat.
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during cellular respiration, the carbons initially present in pyruvate …
acetyl - CoA; \(CO_2\)
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as shown in figure 9.10 in the textbook, citrate is the initial carboxy…
Radioactive oxaloacetate + acetyl CoA would produce radioactive citric acid.
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question when the levels of atp are high, how does this inhibit glycoly…
ATP binds to the regulatory site of phosphofructokinase and inhibits its activity.
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marxs theory requires: conformity education revolution religion rewatch
Revolution
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when the levels of atp are high, how does this inhibit glycolysis? atp …
ATP binds to the regulatory site of phosphofructokinase and inhibits its activity.
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one of the purposes of the citric acid cycle is to________. oxidise nad…
reduce \(NAD^{+}\)
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which mode of energy production produces the most atp per glucose? they…
Aerobic respiration
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which mode of energy production produces the most atp per glucose? they…
C. Aerobic respiration