Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
-
question 5 economics believe that the best decisions are made at the __…
A. margin
-
squirrels and chipmunks compete for the same food source. what is most …
B. increase
-
sir isaac newton discussion questions after reading the article, discus…
Newton’s work (e.g., laws of motion, universal gravitation, calculus) revolutionized physics, unified celestial/terrestrial mechanics, and laid the foundation for modern science/t…
-
in sheep, the allele for white wool (w) is dominant, and the allele for…
There are 2 different genotypes, which are \( Ww \) and \( ww \).
-
why are invasive species dangerous to the environment? they pollute the…
C. They threaten biodiversity.
-
cell division is essential for any living organism. for which of these …
d) Preservation
-
the pine borer beetle is a parasite to the pine tree. what would most l…
B. increase
-
the pine borer beetle is a parasite to the pine tree. what would most l…
increase
-
as human travel increases, the number of introduced species likely decr…
B. increases
-
bears and salmon have a predator - prey relationship. what would most l…
C. increase
-
the remora remora, or suckerfish, often attaches to larger organisms su…
B. commensalism
-
mutated dna sequence #2: t a c g a c c t t g g c g a c g a c t what’s t…
1. mRNA sequence: $AUG\ CUG\ GAA\ CCG\ CUG\ CUG\ A$ 2. Circle the change: $T ightarrow C$ (7th base in DNA) 3. Amino acid sequence: Methionine - Leucine - Glutamic Acid - Proline …
-
read the following poem by william wordsworth and answer the question t…
Nature
-
8. describe the two body plans (types) of cnidarians; explain how they …
The two body plans of Cnidarians are the **polyp** and the **medusa**. - **Polyp**: Sessile (attached to a surface), cylindrical body, mouth/anus at the top surrounded by tentacle…
-
which of the following was not an inspiration for the authors of the ro…
1. B. Religious conformity 2. B. The Industrial Revolution
-
5c.l.912.15.13: describe the conditions required for natural selection,…
4. This lab illustrates natural selection by demonstrating the key conditions: variation in bean traits (size, visibility), a struggle for survival (predator "selection" of beans)…
-
1 how could a scientist determine if an organism is unicellular or mult…
1. A scientist can use a microscope to observe whether the organism is composed of a single cell or multiple specialized cells. 2. The skeletal system protects the central nervous…
-
which type of physical properties are learned from using just our five …
A. observable
-
directions: transcribe and translate the original dna sequence (templat…
### Original Sequence Results mRNA transcript: AUG UGG AAC CGC UGC UGA UAA amino acids: Met-Trp-Asn-Arg-Cys-STOP ### Mutated Sequence Results mRNA transcript: AUG UGG AAC CGG CUG …
-
etc. cnidarians are large and beautiful water organisms. their cells ar…
The common adaptation uniting Cnidaria is the presence of **cnidocytes (stinging cells)** containing nematocysts, used for defense, prey capture, and movement. ### Question 2
-
a scientist records the number of deer observed in three areas of a for…
9
-
part f: fossil records fossil records are the remains or imprints of th…
19. The most ancient horse species is *Hyracotherium* (dawn horse). It is the oldest because it is positioned at the bottom of the timeline, corresponding to ~55 million years ago…
-
compare and contrast asexual and sexual reproduction. be sure to includ…
## Similarities: 1. Both are biological processes that produce new offspring to maintain species continuity. 2. Both depend on cellular functions (like cell division) to create ne…
-
sequencing napoleon’s rise to power use what you have learned to put th…
1. The French Revolution began 2. The Reign of Terror happened 3. The Directory seized power 4. Napoleon led a coup d'état 5. Napoleon became First Consul
-
complete the t - chart by categorizing each statement as an advantage o…
| Advantage | Disadvantage | |-----------|--------------| | It provides genetic variation. | It is time and energy consuming. | | Not all mutations are passed on. | The reproducti…
-
word bank hamstrings deltoids gastrocnemius triceps latissimus dorsi gl…
7. $\boldsymbol{e}$ (Gastrocnemius, the calf muscle)
-
word bank hamstrings deltoids gastrocnemius triceps latissimus dorsi gl…
### Muscle Labeling (Diagram) - **a (Shoulder muscle)**: Deltoids (shoulder muscle) - **b (Large back muscle)**: Latissimus Dorsi (large back muscle) - **c (Upper back muscle)**: …
-
steves english teacher encouraged his class to keep daily journals for …
4
-
1. 2. 3. 4. word bank quadriceps biceps pectorals abdominals column a 1…
1. a. Pectoralis Major 2. b. Bicep 3. d. Rectus Abdominus 4. c. Quadriceps
-
question 22 2 pts 22 which of the following is true about respiration? …
A. Aerobic respiration releases more energy than anaerobic respiration
-
question: the basic unit of life is a cell. a student is studying for a…
The student should utilize microscopic slides with real animal and plant cells so that they are able to identify the organelles and location in a real cell and not a pretend one.
-
why are photosynthesizers usually the beginning of many food chains? th…
They produce organic energy rich molecules from sunlight ### Question 21 (Which of the following best describes cellular respiration?):
-
the process by which the individual best adapted to an environment prod…
D. natural selection ### Question 19
-
all of the following are examples of asexual reproduction, except: plan…
fertilization. ### Question 17 (Taxonomic Levels)
-
marine organisms whose internal salt concentration varies with that of …
B. osmoconformers ### Question 15 (Endotherm)
-
describe the difference between asexual and sexual reproduction.
1. **Number of Parents**: - Asexual: 1 single parent organism - Sexual: 2 distinct parent organisms 2. **Genetic Identity of Offspring**: - Asexual: Offspring are genetically iden…
-
which of the following are organs of the female reproductive system? se…
- fallopian tubes - cervix - uterus
-
a group of organisms living together on a rocky beach is an example of …
C. community. ### Question 13 (Ecosystem Definition)
-
which hormone triggers both the production of estrogen in female ovarie…
luteinizing hormone
-
question 3 1 pts where does fertilization take place in humans? - inter…
internally in the female
-
11 which of the following shows the correct level of organization in or…
B. atom, molecule, organ, population, ecosystem
-
question 2 1 pts which female sex organ is equivalent to male testes? ○…
ovaries
-
which hormone causes the endometrial layer inside the uterus to thicken…
estrogen
-
4. where might you find indirect sunlight? 5. why do some plants grow b…
Under a tree, inside a windowed room, or in a shaded patio (examples of areas with indirect sunlight). ### Question 5
-
properties of water 1. in the box to the right, draw two water molecule…
1. (Diagram description): - Two $\ce{H2O}$ molecules: each has a central oxygen (O) atom connected to two smaller hydrogen (H) atoms. - Label O with $\delta^-$, each H with $\delt…
-
1. why do we have so little information about the area before the arriv…
Before Arab traders arrived (e.g., in West Africa), many local societies had oral traditions (no written records), and the harsh Sahara environment limited external exploration/do…
-
1. what is the difference between a physical trait for survival and a p…
1. A physical survival trait supports an organism's ability to live in its environment (e.g., thick fur for cold climates, camouflage to avoid predators), while a physical reprodu…
-
5 multiple choice 1 point which technical skill is least likely to be l…
5. Advanced molecular biology techniques 6. HIPAA 7. True 8. Protect confidentiality, integrity, and availability, detect/respond to incidents, and maintain business continuity
-
instructions 1. what motivated william bradford and the pilgrims to lea…
1. The Pilgrims left England to escape religious persecution and seek economic opportunity. These motivations led them to build a faith-centered community and adapt to the New Wor…
-
drag the right word to its definition a period of advances in european …
Scientific Revolution
-
drag the missing word into place if you visit the vatican’s , you’ll se…
Sistine Chapel
-
typical exam questions 1. why does a low km enzyme work better in vivo?…
1. It has high substrate affinity, works at low [substrate]. 2. Acetaldehyde accumulates, causing toxic effects. 3. Defective AldDHmt causes acetaldehyde buildup, vasodilation. 4.…
-
what is the difference in the concentration of molecules in two areas a…
a. concentration gradient
-
which type of passive transport involves the movement of small molecule…
Simple Diffusion
-
what is one way the hydrosphere supports life in the biosphere? (1 poin…
It supplies water needed for survival
-
which is more likely to diffuse through the cell membrane? a carbon dio…
a. carbon dioxide
-
mechanisms of evolution stations name: station 1: natural selection & a…
Since the data (graph or numerical values) for the antibiotic - resistant bacteria across generations is not provided, we can't answer these questions directly. However, we can gi…
-
during diffusion, in which way do molecules move? a molecules flow down…
a. Molecules flow down the concentration gradient.
-
23 on the following diagram, indicate how many chromosomes are in the c…
## Mitosis Column: 1. Prophase: 2n (diploid) 2. Metaphase: 2n (diploid) 3. Anaphase: 4n (temporary double diploid) 4. Telophase/Cytokinesis: 2n (diploid, each new cell) ## Meiosis…
-
when substances cross cell membranes by simple diffusion, they _____. a…
c. can reach a state of equilibrium
-
7. in 2006, a new species was discovered in the depths of the pacific o…
7. B. R. daphnae is genetically different from sea anemone and does not share a recent common ancestor. 8. D. Giant pandas share more genes with bears, while lesser pandas share m…
-
word bank interstitial plasma lymphocyte monocytes antigen antibodies p…
1. Pouch - Small bag or sac 2. Cilia - Hairlike projections that move rhythmically 3. Malignant - Cancerous 4. Pollutants - Things that contaminate 5. Expiration/Exhalation - Proc…
-
what is the difference between a polar body and an egg?
The key differences are: 1. **Size/Cytoplasm**: Polar bodies are small with little cytoplasm; eggs are large with nutrient-rich cytoplasm. 2. **Function**: Polar bodies are non-fu…
-
what term for a membrane protein could be used to describe a channel pr…
Transport protein
-
a cell is said to be in which state when it has an equal movement of mo…
Equilibrium (or Dynamic Equilibrium)
-
which transport proteins are involved in facilitated diffusion? select …
a. carrier proteins, b. channel proteins, c. gated channel proteins
-
4. recent biochemical evidence divides all organisms into three domains…
4. B. They have differences in the biochemical makeup of their cell walls. 5. C. Fungi 6. lungs and dry skin
-
glucose is a large molecule that is transported across the cell membran…
facilitated diffusion (or active transport, but facilitated diffusion is a common answer here)
-
which of the following proteins bind to molecules or ions that change t…
c. carrier proteins
-
how many useful gametes are produced in the meiosis of male animals? wh…
- For male animals: 4 useful gametes (sperm) are produced per meiosis. - For female animals: 1 useful gamete (ovum/egg) is produced per meiosis, with the other products being non-…
-
what is the end result of diffusion? a equal concentration of molecules…
a. equal concentration of molecules on both sides of the membrane
-
what are gametes produced in male animals called? what are gametes prod…
1. Gametes produced in male animals are called sperm (spermatozoa). 2. Gametes produced in female animals are called egg cells (ova). 3. The male gamete (sperm) can move on its ow…
-
what happens to a cell that has a rigid cell wall when placed in a hypo…
b. It will swell until the cell is turgid
-
at the end of meiosis i there are four cells. before entering meiosis e…
1. 8 cells result from meiosis II. 2. Each cell has a total of 7 chromosomes. 3. Each chromosome is made up of 1 chromatid.
-
what will happen to a cell that does not have a cell wall if placed in …
b. swell and burst
-
which type of solution would cause a cell that does not have a cell wal…
c. hypertonic
-
a single cell with seven pairs of homologous chromosomes goes through m…
1. 2 cells result at the end of meiosis I. 2. Each cell contains 7 chromosomes. 3. Yes, the chromosomes in each cell are made of sister chromatids.
-
what happens if a plant cell is placed in a hypotonic solution? a becom…
a. become turgid (firm)
-
plant cells tend to do best in a hypotonic environment due to their cel…
Isotonic environment
-
the cell membrane pulls away from the cell wall as the cell loses water…
plasmolysis
-
cells will swell when placed in a solution that is
hypotonic
-
the diffusion of water molecules across a semipermeable membrane and do…
osmosis
-
which of the following is specifically concerned with the transport of …
a. osmosis
-
#1. pour chacune des tables de valeurs suivantes, indique sil sagit dun…
### Partie a) # Explanation: ## Step 1: Vérifier le type de fonction (rationnelle ou linéaire) Calculons le produit \( x \times f(x) \) pour chaque paire : - Pour \( x = 2 \) et \…
-
select the statement(s) that accurately describe the visible light port…
- The colors of the visible spectrum combine to create white light. - It is the only portion of the electromagnetic spectrum that humans can see. - It is made up of all the colors…
-
17. multiple choice: in which cerebral lobes is the speech center locat…
a) frontal
-
13. select 2 that apply. in a story that relates a theme of societal in…
- has a responsibility to change things - acts out of a sense of duty
-
15 questions on the anatomy of the lymphatic system : question 1 : what…
the thoracic duct (from the options: the thoracic duct)
-
3. el festival de rio es una fiesta ________. 4. vamos de vacaciones a …
3. El Festival de Río es una fiesta **conocida** 4. Vamos de vacaciones a un sitio **bonito** 5. Mi hermano **mayor** se llama Luis
-
1. what does gfci stand for? answer: ground fault circuit interrupter 2…
GFCls are required near water sources because water is an excellent electrical conductor, so any small ground fault (leak of electrical current) near water can create a severe ele…
-
11) look at the phenotypes of beyonce and jay z. if these two had child…
To answer this, we first assume the genotype for widow’s peak (a dominant trait, let's say allele \( W \)) and no widow’s peak (recessive, \( w \)). Let's assume Beyoncé and Jay -…
-
11) look at the phenotypes of beyonce and jay z. if these two had child…
To solve this, we first need the phenotypes (and thus genotypes) of Beyonce and Jay Z for the widow’s peak trait. Let's assume typical allele notation: let \( W \) be the dominant…
-
question 31 not yet answered marked out of 1.00 flag question which new…
1. c. Social Security Administration 2. b. taxed the colonies without direct representation in Parliament 3. c. signing of the Declaration of Independence
-
10) if wentworth miller is aa, and he and rihanna had children, what ar…
- **Genotypes**: 25% AA, 50% Aa, 25% aa. - **Phenotypes**: 75% with the dominant phenotype (if A is dominant), 25% with the recessive phenotype (if A is dominant over a). (Note: T…
-
question 25 not yet answered marked out of 1.00 flag question the autom…
1. Question 25: a. increased demand for products such as steel, rubber, and gasoline 2. Question 26: a. Military production during the war created jobs. 3. Question 27: a. individ…
-
part 3 - post-lab extension: observing cells with the microscope this p…
1. No, it will not look exactly the same. Real cells have natural variation, slide artifacts, and microscope limits, while the Google Slides images are idealized illustrations. 2.…
-
read the sentences below, filling in the blanks with items from this li…
1. Sulfur 2. molecules 3. water 4. proteins 5. atp 6. genetic 7. disulfide 8. oxygen 9. oxygen
-
what do lipids (predominantly) consist of, besides carbon and hydrogen?…
1. b. Oxygen 2. b. CHNOPS 3. d. Energy Transfer within Cells
-
1. (partially visible) phospholipids are important components of: a. ce…
1. a. Cell Membrane Structure 2. d. RNA 3. c. Process information and send commands 4. d. Carbohydrate 5. a. Oxygen 6. d. Nitrogen 7. b. Carbohydrates
-
22. what is the final step in the digestive process? a. absorption b. d…
22. d. Ingestion 23. d. Adrenal glands 24. c. Promotes rest and digestion 25. b. Oxygen is absorbed into the blood, and carbon dioxide is released 26. c. They filter lymph and tra…