生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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chemical messages that make it more likely that a receiving neuron will…
B. excitatory
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which of the following is considered a function of the integumentary sy…
All of the listed responses are correct.
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which of the following is a common excitatory neurotransmitter that pla…
A. Glutamate
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read the passage from sugar changed the world. slave labor was valuable…
D. Boycotting was an effective and persuasive tool in the fight against slavery.
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which cell type functions in initiating an immune response against path…
A. Langerhans cells
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4. what is the independent variable?
To answer the question "What is the independent variable?", we first need the context of the study or experiment (e.g., a research scenario, an experiment's setup) where variables…
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which layer of the cutaneous membrane produces vitamin d₃? subcutaneous…
C. Epidermis
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choose the one that is not classified as glial cells. ○ microglia ○ ast…
D. gray matter
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question 6 most neurons in the body are ______. ○ multipolar ○ temporal…
A. multipolar
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not all neurons are capable of receiving the chemical message carried b…
True
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d. the birth of a neutrality policy ...the cause of france is compared …
Since no specific question is provided about this text, it's not possible to give a targeted answer. If you want to analyze the text (e.g., identify the author's stance on the Fre…
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which stratum forms epidermal ridges? options: stratum basale, stratum …
A. Stratum basale
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question 5 what function does a dendrite serve? ○ they receive most of …
A. They receive most of the synaptic contacts from other neurons.
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what feature of the neuron is long and narrow and projects from the cel…
A. Axon
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which of the following is the most abundant epithelial cell found in th…
C. Keratinocyte
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put the following epidermal layers in order from deep to superficial. 1…
4,1,5,2,3 (the option with "4,1,5,2,3")
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the automatic nervous system has two kinds of efferent nerves. choose t…
A. sympathetic, D. parasympathetic
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question ① in which epidermal layer are langerhans cells and melanocyte…
D. Stratum spinosum
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question 2 1 pts which type of nerve carries sensory information from t…
C. Afferent
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place the following structures of the dermis and subcutaneous layer in …
3, 1, 5, 4, 2 (the option with "3,1,5,4,2")
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3. what is the experimental group?
In an experiment, the experimental group is the group of subjects (people, organisms, samples, etc.) that is exposed to the independent variable (the factor being tested or manipu…
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the division of the nervous system that is located outside of the skull…
True
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the dermis contains, in addition to all of the cells of connective tiss…
All of the listed responses are correct.
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what structure in the skin controls blood flow, adjusts gland secretion…
B. Nerve fibers
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which microscope uses a series of lenses to magnify an object in steps?…
C. compound light microscope
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which of the following is not a component of the skin but considered an…
Hair
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which is a part of the cell theory? cells come from pre-existing cells …
cells come from pre - existing cells
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which epidermal layer is only found in thick skin? options: stratum bas…
B. Stratum lucidum
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in the 1600s, which scientist discovered microbes in pond water by usin…
C. Anton van Leeuwenhoek
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what type of solution is this cell in? image of a red blood cell labele…
Isotonic (the green - colored option with the label "Isotonic")
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which microscope did robert hooke use to study tree bark? ○ electron mi…
B. compound light microscope
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the interwoven collagen fibers of the dermal layer provide considerable…
A. reticular layer
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what do scanning electron microscopes and transmission electron microsc…
D. Both require a vacuum.
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of the following factors, uv radiation in sunlight is absorbed by optio…
C. melanin
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when comparing two solutions, the solution that has less solute and a h…
hypotonic
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select the correct answer. what could be a result of an injury to the d…
A. loss of sensation to pressure and touch
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the study of which structure was instrumental in the formulation of the…
DNA molecule
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what type of solution allows water to enter the plant cell? options: hy…
hypotonic solution
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which reason best explains why dead specimens must be used with transmi…
C. Specimens are placed in a vacuum.
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select the correct answer. which action is a reflex action? a. asking f…
B. blinking when light is flashed in the eyes
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which structure is located in the dermis of the skin and protrudes thro…
D. Multicellular exocrine glands
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the deeper layer of the dermis, composed of dense irregular connective …
B. reticular layer (assuming the options are labeled, with "reticular layer" as the correct one)
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what do the brown structures represent? phospholipids channel proteins …
Channel Proteins
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according to the cell theory, which describes cells? all organisms are …
D. All living cells come from other living cells. (Note: Assuming the options are labeled A - D as per the order: A. All organisms are composed of multiple cells. B. All cells hav…
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which part of the cell theory is best explained by studying the ability…
A. All cells come from preexisting cells.
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this shows active transport diffusion osmosis facilitated diffusion
diffusion
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which layer of the epidermis is the most superficial layer in which all…
Stratum granulosum
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which experiments led to changes to the original cell theory? ○ experim…
D. experiments that established the existence of single - celled organisms and microbes
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the outside of the membrane often has small carbohydrates attached. tha…
identification
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which of the following is/are released by a neurons terminal buttons in…
Neurotransmitters
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select the correct answer from each drop-down menu. alma is walking in …
parasympathetic nervous system
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which of the following are components of the integumentary system? opti…
B. Skin, hair, nails, and sweat glands
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the spreading of molecules from a high concentration to a low concentra…
diffusion (the option with the label "diffusion" in the orange box)
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which contains phosphorus and nitrogen atoms, is polar and dissolves in…
First blank: phosphate group (head) Second blank: fatty acid tails
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phospholipids are another type of lipid. they are the building blocks o…
- True: Phospholipids have carbon atoms arranged in two long chains. - False: Phospholipids contain only carbon and hydrogen atoms. - True: Cell membranes contain phospholipids.
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9/10 which of the following is not a major cause of extinction? habitat…
B. Natural selection
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lesson 2 review use vocabulary 1 define description and explanation in …
B. compound microscope ### Question 8
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one way the types of lipids differ is their chemical structures. the mo…
- Fats store energy in the body. - Triglycerides have carbon atoms arranged in long chains.
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which of the following describes interspecific competition? cooperation…
B. Competition between species for the same limited resource (assuming the purple option is labeled B; if the original labels were different, adjust the identifier but keep the te…
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what characteristic is true about chloroplasts? ○ they can divide indep…
A. They can divide independently ### Second Question (Structures in Both Prokaryotic and Eukaryotic Cells)
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8th grade science sensemaking smart starts ls.8.2.1\tcarry out investig…
Trend: Deer population generally increases with more annual rainfall and decreases with less. Influence: Water (from rainfall) is abiotic. More water boosts plant growth (deer’s f…
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what modern example of endosymbiosis was mentioned in the video? algae …
D. Prokaryotes living in termite guts helping digest wood ### Second Question (First Eukaryotic Organelle)
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determine whether each statement describes a property of phospholipids,…
| | phospholipids | triglycerides | | --- | --- | --- | | are energy - storage molecules | ✔️ | ✔️ | | contain a polar phosphate group | ✔️ | ❌ | | build cell membranes | ✔️ | ❌ |…
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1. according to your cladogram, which two species are more closely rela…
To determine which pair (worms and spiders or worms and ants) is more closely related, we analyze their most recent common ancestor (MRCA) from the cladogram: 1. **Arthropod Relat…
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the process of cellular respiration organisms use food to make chemical…
- What's Needed: Glucose (\( \ce{C6H12O6} \)) and Oxygen (\( \ce{O2} \)) - What's Created: Carbon Dioxide (\( \ce{CO2} \)), Water (\( \ce{H2O} \)), and ATP
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phospholipids are the building blocks of cell membranes. in a cell memb…
The top - left model (with extracellular environment labeled, blue heads facing out and in, orange tails in between) best represents the lipid bilayer.
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identify each pattern of dispersion represented below.
- Top pattern: Uniform (Regular) Dispersion - Middle pattern: Clumped (Aggregated) Dispersion - Bottom pattern: Random Dispersion
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2. which two things does the model show? the model shows the rearrangem…
B. Chemical reactions can rearrange molecules, D. Chemical reactions can release energy
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question 5 10 pts what evidence supports the endosymbiotic theory? ○ mi…
D. Mitochondria and chloroplasts have their own DNA arranged similar to bacterial DNA ### Question 6
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if phospholipids are dropped in water, they can form a ball - shaped st…
The phospholipid \(\boldsymbol{\text{tails}}\) face away from the water because they are \(\boldsymbol{\text{hydrophobic}}\). The phospholipid \(\boldsymbol{\text{heads}}\) face t…
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question 3 10 pts according to the endosymbiotic theory, what happened …
D. They remained intact and became symbionts ### Question 4
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use the \what i know\ column to list the things you know about the enco…
To solve the problem of identifying the patterns of dispersion (distribution of individuals in a space), we analyze each diagram: ### First Diagram (Left): - **Step 1: Observe the…
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question 1 10 pts what is the endosymbiotic theory primarily about? the…
A. The origin of mitochondria and chloroplasts from ancient bacteria ### Question 2
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a phospholipid molecule has two fatty acid molecules, one glycerol mole…
- A. Unlike triglycerides, phospholipids have nitrogen and phosphorus atoms. - B. Fatty acids in a phospholipid are called tails. - C. Phospholipids are used to build cell membran…
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1. according to your cladogram, which two species are more closely rela…
To determine which pair (worms and spiders or worms and ants) is more closely related, we analyze the cladogram: - **Relatedness in a cladogram** is determined by the recency of t…
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triglycerides are the bodys most efficient method for storing energy. i…
- One gram of carbohydrate provides less than half the amount of energy in one gram of fat. - Fats provide energy for the body during rest. - Fat - soluble vitamins are dissolved …
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when triglycerides are ingested, they are broken down into fatty acids …
- In cells, fatty acid and glycerol molecules are combined to make triglycerides. - Triglycerides are stored until they are needed for energy.
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the models show the chemical structures of two different fatty acids. s…
| | stearin | triolein | | --- | --- | --- | | is an unsaturated fat | No | Yes | | is likely solid at room temperature | Yes | No | | is a saturated fat | Yes | No | | is likely …
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1. which two statements are true about atoms in the process of cellular…
C. The atoms in the products are rearranged from the reactants. D. The number and type of atoms stay the same after the chemical reactions.
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2. another name for a zero sum pair is (1) subtractive equals (2) addit…
(2) additive inverses
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complete the table to compare triglycerides, phospholipids, and steroid…
To solve this, we analyze each row for triglycerides, phospholipids, and steroids: ### Row 1: "have carbon atoms arranged in long chains" - Triglycerides: Made of fatty acids (lon…
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using graphs and charts read the information and observe the graph or c…
Claim: As the amount of sunlight (light intensity) increases, the amount of carbon dioxide taken out of the air (CO₂ uptake) initially increases and then levels off (or increases …
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kanna keeps excellent records and always knows precisely how much is in…
Check her records against her bank statement.
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fill out the following character matrix. mark an \x\ if an organism has…
### Part 1: Filling the Character Matrix (Completed as per Traits) The given matrix already has some traits marked. Let's confirm or fill (if needed) based on organism characteris…
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step 1 c-c-c-c-c-c step 2 c-c-c c-c-c after step 2, the next step is th…
aerobic
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during oxidative phosphorylation, what is created when h⁺ move across t…
electrochemical gradient
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c-c-c-c-c-c in aerobic respiration, what is the initial result of the s…
The option with two "C - C - C" chains (the middle option among the three given).
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the breakdown of pyruvate into three 1-carbon molecules occurs during w…
B. citric acid cycle (assuming the options are labeled as A. calvin cycle, B. citric acid cycle, C. water cycle)
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figurative language practice for each example, choose which figure of s…
Metaphor
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which process can be performed without oxygen? oxidative phosphorylatio…
B. glycolysis
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step 1 c - c - c - c - c - c step 2 c - c - c c - c - c what is the nam…
Hydrolysis
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step 1 c-c-c-c-c-c step 2 c-c-c c-c-c what is the name of the process t…
Hydrolysis
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what is the third and final stage of aerobic respiration? oxidative pho…
oxidative phosphorylation
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the breakdown of pyruvate into three 1-carbon molecules occurs during w…
citric acid cycle
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what is the net gain of atp molecules produced through anaerobic respir…
2 ATP (the option with "2 ATP")
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what is the third stage of aerobic respiration? fermentation oxidative …
B. oxidative phosphorylation (assuming the options are labeled as A. fermentation, B. oxidative phosphorylation, C. glycolysis)
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read the example. then record whether the sentence is the claim, eviden…
1. - Animals that are active at night and sleep most of the day are nocturnal animals. Reasoning - I observe my hamster sleeping during the day and running on his wheel at night. …
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3. what nations declared war against germany and the austro-hungarian e…
France, the United Kingdom, Russia, and later the United States (and other Allied nations) declared war against Germany and the Austro - Hungarian Empire. ### Question 4
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with regard to abo blood types in humans, determine the genotype of the…
Male parent genotype: \( I^Ai \) Female parent genotype: \( I^Ai \)
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6. billy’s restaurant ordered 200 flowers for mother’s day. they ordere…
Number of carnations: 80, Number of roses: 50, Number of daisies: 70