Answer:
Water passes through the membrane in a diffusion process called osmosis. During active transport, energy is expended to assist material movement across the membrane in a direction against their concentration gradient. Active transport may take place with the help of protein pumps or through the use of vesicles.
Explanation:
In which direction does the head of the molecules of the plasma membrane face? toward the outside toward the middle away from water toward the head of another molecule
The head of the molecules of the plasma membrane face towards the outside.
Answer: Option A
Explanation:
Phospholipids is arranged in a bi-layer, makes up the structure of the plasma layer. The hydrophilic segment of a plasma membrane is its head, and it has a high affinity towards the water. The hydrophilic heads of phospholipids in a layer bi layer faces outward, reaching the (watery) liquid both inside and outside the cell.
The hydrophobic, or "water-dreading" portion of a phospholipid comprises of its long, non polar unsaturated fat tails. The unsaturated fat tails can be without much of a stretch communicate with other non polar atoms, yet they cooperate inadequately with water.
Answer: toward the outside
Explanation:
Which describe what will mostly happen to the trout population
Answer:
Trout is a very common freshwater fish. The lifespan is very small.
Explanation:
The trout population is affected by the climate change and also the pollution present in the freshwater. These fish variety travel for across to lay eggs. And after laying eggs they just die. The climate change and the the fishing of this variety has negatively affected the population. There are lot of varieties of trout fish like rainbow albino etc.
The rise in temperature and flood in a river is a major factor which effects the population of this fish. in USA when the temperature rises it result in flood condition in the river which affects the lifestyle of this fish.
A new molecule is discovered in a deep sea cave fish. It has the following properties: hydrophillic, very large, and used for energy storage. What kind of molecule is it?
Answer:
The molecule is carbohydrate that is large and hydrophilic in nature. Carbohydrates are made up of many monomers.
Explanation:
Example - glucose monomers combines to form starch.
Carbohydrates are the primary source of energy. During starvation, when the carbohydrates are already being used then fats play an important role in providing energy.
Carbohydrates can be monosaccharide (made up of only 1 monomer), oligosaccharide (have 2-10 monomer units) or polysaccharide (have more than 10 monomer units).
2 Points
How could an error during transcription affect the protein that is produced?
O
A. The protein would become too specialized.
O
B. The protein would have the wrong shape.
O
c. The protein would become RNA polymerase.
) D. The protein would be made of the wrong nucleic acids.
SUBMIT
Answer:
The error during transcription would affect the production of mRNA.
Explanation:
Answer:The protein would be made of wrong nuclei acids.
Explanation:
*Transcription :This is the synthesis of RNA under the direction of DNA*.
When there is a mutation in the RNA transcript formed, it is known as *error in transcription*and the protein produced due to error in transcription wI'll be made of wrong nucleic acids(RNA or DNA) .
Therefore,when there is an error during transcription, the protein produced would be made of wrong nucleic acids.
John, a 19 year old boy, wanted to figure out why he wasn't sleeping well at night. He normally and heads to bed by 11 pm and wakes up about 6 am. He works during the day, exercises after work for 1 hour, eats dinner, watches television, checks his phone for messages, and drinks a Pepsi at about 10 pm. What can you infer is keeping John awake at night.
Answer:
The Pepsi he drinks at 10 pm
Explanation:
Pepsi is a caffeinated drink that has caffeine in it. Caffeine is a stimulant which means it keeps the body awake and alert. Caffeine works by mimicking adenosine. Adenosine is produced by neuron cells and when it binds to its own receptors (autocrine signaling) it triggers the neurons cells to continue firing. As the adenosine levels fall as the day progresses, the brain is signaled that it is time rest. Adenosine levels are at the lowest when its almost bedtime. However, when Jon takes Pepsi, the caffeine in it bind to the adenosine receptors and make the brain neurons to keep ‘firing’.
What is cardio respiratory endurance
Which specialized cells are responsible for transmitting messages throughout the body?
neurons
epithelial cells
blood cells
muscle cells
Answer: well by process of elimination we can get are answer.
1 muscle cells, what is there function locomotion of your skeletal system and in turn your body.
2 blood cells, can clot blood due to platelets within/making up blood. Plasma carries nutrients excluding oxygen to cells. Red blood cells carry that good old Oxygen necessary for ATP production via the electron transport chain. (Don’t be confused by this ATP can be made in other process like the Krebs cycle, glycolysis, ETC) Finally white blood cells include lymphocytes, granulocytes, monocytes, and macrophages.
3 epithelial cells, epithelial cells line the outside of your body and certain things inside your body there main function is pathogen and or virus protection.
So the only possible answer is nerve cells or neurons.
Answer:
AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AA_AAA_AA_A_A_A_A_AAA_AA_AAA_AAA_AAA_AA_AAAA_A_AAA_AAA_AA_A_AAAA_AAA_aa_AAA_AAAAaAAaa-AA_AAAA_AAAAAA_aa-AAAA-AA-Aa+a=
THE ANSWER IS A
Explanation:
Many fish and aquatic plants can survive a cold winter because the layer of
ice that forms at the top of the lake insulates the water below and prevents
the lake from freezing solid. What unique property of water contributes to
this effect?
Answer:
Water expands on cooling below 4 degrees Celcius.
Explanation:
This means the water becomes less dense because the same mass of water occupies more volume. This is called the ‘water anomaly’ because other liquids reduce in volume with temperatures. Ice will, therefore, float on very cold water. In cold regions this ice sheet formation in lakes and oceans is significant in insulating the waters below from losing more heat. Consequently, the waters below the ice sheet remain liquid maintaining the aquatic life below the ice.
How many moles are in 68.5 liters of oxygen gas at STP?
A. 3.058 mol
B. 30.58 mol
C. 0.3058 mol
D. 305.8 mol
The correct answer is A. 3.058 mol
What gas is used? _____ released?_______
Answer:
Oxygen
Explanation:
The gas that was released is carbon dioxide (CO2).
The gas that was released is carbon dioxide (CO2), a colorless and odorless gas that plays a crucial role in Earth's atmosphere and various biological processes.
Carbon dioxide is composed of one carbon atom and two oxygen atoms, and it is a natural component of the air we breathe.
While it is an essential part of the carbon cycle, where carbon is exchanged between the atmosphere, oceans, soil, and living organisms, excessive emissions of carbon dioxide, primarily from human activities such as the burning of fossil fuels, deforestation, and industrial processes, contribute to the greenhouse effect.
In the context of environmental concerns, the release of carbon dioxide is often associated with climate change.
The increased concentration of CO2 in the atmosphere enhances the greenhouse effect, trapping heat and leading to global warming.
This has widespread implications for ecosystems, weather patterns, sea levels, and overall environmental stability.
Efforts to mitigate the release of carbon dioxide include transitioning to renewable energy sources, enhancing energy efficiency, and adopting sustainable practices.
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Question
The gas that was released is carbon _____ .
Question 5
Which structure would not be found in both prokaryotic and eukaryotic cells?
Cytosol
Mitochondria
Ribosomes
Plasma membrane
Question 6
Prokaryotic and eukaryotic cells have several differences. Which statement below is not one of th
Mitochondria would not be found in both prokaryotic and eukaryotic cells? (option B)
What is mitochondria?Mitochondria are organelles found in the cells of most eukaryotic organisms. They are often referred to as the "powerhouses of the cell" because they are responsible for generating most of the cell's ATP, which is the cell's main source of energy
Mitochondria are only found in eukaryotic cells, not prokaryotic cells. Prokaryotic cells are the simpler type of cell, and they do not have the same level of complexity as eukaryotic cells.
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How would the climate of the earth be different if water did not hold heat? Explain your answer.
Answer:
Explanation: the temputures would drop durastically on land and the oceans would be frozen .
If oceans stopped absorbing heat from climate change, life on land would average 122°F.
How does the heat of water affect climate?The high specific heat of water also helps regulate the rate at which air changes temperature, which is why the temperature change between seasons is gradual rather than sudden, especially near the oceans.
Why is water so important in controlling Earth's climate?The water in oceans and lakes stores the energy radiated by the sun and releases it slowly. Water can absorb and store a lot of energy while only warming up by a few degrees.
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is earth a living organism
Answer:
The earth itself isn't living but some thing on earth are living
Explanation:
Rate as Brainliest
Answer:
The earth itself is not, however there are organisms on it that are.
If you are speaking of the ground, it's still not a living organism, because the ground does not meet the requirements of living organisms.
Explanation:
The earth (our planet) is not alive, and the earth on it is also not technically alive. Some people personify the Earth to be living, giving it the name "Mother Earth", but this is a misrepresentation.
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how does the molecular structure of base pairs ensure that two strands of DNA are complementary
Answer: The nucleotides in a base pair are complementary which means their shape allows them to bond together with hydrogen bonds. ... The hydrogen bonding between complementary bases holds the two strands of DNA together. Hydrogen bonds are not chemical bonds. They can be easily disrupted.
Explanation:
The base pairs in DNA (Adenine-Thymine and Guanine-Cytosine) bond using specific hydrogen bonding patterns, which ensure the strands are complementary and thus allow reliable replication and protein synthesis.
Explanation:The molecular structure of DNA is based on the principle of base pairing, which ensures the two strands are complementary. DNA uses four nitrogenous bases: adenine, guanine, cytosine, and thymine. Adenine (A) always pairs with Thymine (T), and Guanine (G) with Cytosine (C). This pairing is due to the specific hydrogen bonding between the bases. With Adenine-Thymine forming double hydrogen bonds and Guanine-Cytosine forming triple hydrogen bonds. This set pattern of base pairing ensures the two strands are complementary, meaning when the sequence of one strand is known, the sequence of the other can be determined. This principle is fundamental to DNA replication and protein synthesis.
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The blank describes how cells are related to living things
The cell theory describes how cells are related to living things. The correct option is A.
What is cell theory?Cell theory is a scientific theory first proposed in the mid-nineteenth century that living organisms are made up of cells, that cells are the basic systemic unit of all organisms, and that all cells originate from pre-existing cells.
Cells, according to the definition of cell theory, are the building blocks of life. Cells are the building blocks of all living things and are responsible for all of life's processes. Cells comprise your hair, skin, organs, and so on.
When English physicist Robert Hooke described cork and other plant tissues in 1665, he coined the term cell since this cellulose structures of dead cork cells reminded him of the blocks of cells occupied by monks.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
cell theory
cell history
cell poem
Where is the least amount of energy transferred in a food web
Answer:The tropic level
Explanation: In all the ecological pyramids, producers (organisms that produce their own food) are found at the lowest trophic level. This trophic level contains the highest amount of energy. The energy in each trophic level of an energy pyramid is just 10 percent of the energy in the level below it.
Answer:
the producers
Explanation:
because their tissues are less dense :)
Which choice has eukaryotic animal cells?
A: liver
D: oak
C: virus
D:Lactobacillus
Answer:
A.) Liver has Eukaryotic Cells.
Explanation:
Trust me.
As an animal cell, the liver lacks the cell wall, chloroplast, and big vacuole that are often seen in plant cells. Thus, option B is correct.
What are the eukaryotic animal cells?Animals are all eukaryotic cells. Animal cells differ from those of other eukaryotes, most notably plants, in that they have smaller vacuoles and don't have cell walls or chloroplasts.
Animal cells can change into a variety of shapes because they don't have a cell wall.
Eukaryotes are organisms whose cells have membrane-bound organelles in addition to a nucleus. Eukaryotic creatures come in a great variety, including most algae, all animals, plants, fungus, and protists.
Therefore, liver is a eukaryotic animal organ.
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describe the effects that a large-scale volcanic eruptions can have on the global climate
Large-scale volcanic eruptions release gases and solids in the atmosphere causing short-term climate changes. One significant effect is haze-effect cooling, where suspended particles block sunlight lowering global temperatures. Volcanic eruptions also release greenhouse gases contributing to global climate change.
Explanation:Large-scale volcanic eruptions have significant effects on the global climate. During an eruption there are solids and gases released into the atmosphere which include carbon dioxide, water vapor, sulfur dioxide, hydrogen sulfide, hydrogen, and carbon monoxide. These emissions can influence the climate over a period of a few years, causing short-term climate changes.
One major effect is what's known as haze-effect cooling. This global phenomenon occurs when dust, ash, or other suspended particles block out sunlight, resulting in lower global temperatures. An example was in 1783 when volcanos in Iceland erupted and caused the release of large volumes of sulfuric oxide, leading to some of the lowest average winter temperatures on record in 1783 and 1784 in Europe and North America.
Another impact of large-scale volcanic eruptions is the increase in greenhouse gases such as carbon dioxide and sulfur dioxide. These gases absorb and emit radiation, trapping heat in Earth's atmosphere and contributing to global climate change.
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What is the baby learning through play in the following scenario? Cameron is seven months old and is fascinated by her
rattle. She shakes it, stares at it, and giggles when it makes noise.
coordinated movement
noise recognition
problem solving
cause and effect
Answer:
noise recognition
Explanation:
Answer:
noise recognition
Explanation:
correct answer on edge.
Which state of matter does this model represent?
a) solid
b) liquid
c) gas
d) plasma
Answer:
gas be the molecules are tightly held together
How has the Doppler effect and the redshift of stars and galaxies indicated that the universe is expanding?
A: The Doppler effect says that the higher the frequency of waves, the further an object is moving from the observer. The color red has the shortest wavelength.
B: The Doppler effect says that the lower the frequency of waves, the faster an object is moving toward the observer. The color red has the longest wavelength.
C: The Doppler effect says that the frequency of sound or light waves is affected by whether the emitting object is moving toward or away from the observer. The color red has the longest wavelength.
D: The Doppler effect says that the frequency of sound or light waves determines the color of an object. The color red has the longest wavelength.
Answer:
Option C
Explanation:
As per the doppler's effect, when an object in the universe move at a fast speed away from the observer, its possesses a high wavelength as compared to its original wavelength.
Since red light has the highest wavelength, any object's wavelength moving towards a high values is said to be red shifted.
Thus, the higher the wavelength, the lower will be the frequency of an object and hence it moves at a faster speed away from the observer and hence the universe is said to be expanding.
Thus, option C is correct.
What skills or attributes make you a good environmental scientist
Answer:
Written and oral communication skills.
Teamwork.
Problem solving.
An investigative mind.
Observation skills and critical thinking.
Innovative thinking.
Good with statistics.
Commercial awareness.
Final answer:
Skills such as critical thinking, scientific knowledge, and communication abilities make a good environmental scientist.
Explanation:
There are several skills and attributes that make a good environmental scientist. One important skill is critical thinking and problem-solving, which are necessary for analyzing complex environmental issues and developing effective solutions. Another important attribute is a strong understanding of scientific principles and research methodologies, as this knowledge is essential for conducting accurate and reliable environmental research. Additionally, good communication skills are crucial for effectively conveying scientific findings and collaborating with others in the field.
For example, an environmental scientist may use critical thinking skills to analyze the causes and impacts of deforestation, and then develop strategies to mitigate its effects. They may also use scientific principles to conduct experiments and gather data about air pollution, and then communicate their findings to policy-makers and the public to advocate for change.
In conclusion, a good environmental scientist should possess skills such as critical thinking, scientific knowledge, and communication abilities.
SOMEONE PLEASE HELP ME! I NEED TO FINISH THIS IN LESS THAN 5 MINUTES! THANK YOU!
1. 2nd picture(RBC)
2.3rd picture(relay neuron)
3.1st picture( plant epidermal cells)
4. 4th picture( chloroplasts)
1.Animal cells that bend and squeeze easily through narrow spaces: White blood cells
2.Animal cells that relay information to other cells: Nerve cells
3.Plant root cells that absorb water and minerals from the soil: Root hair cell.
4.Plant cells that make food: Palisade mesophyll cell
Functions of Specialized Cells in the Image
1. Animal cells that bend and squeeze easily through narrow spaces: These are likely white blood cells, which are part of the immune system and help to protect the body from infection.
White blood cells are able to change their shape and squeeze through narrow spaces in order to reach areas of the body where infection is present.
2. Animal cells that relay information to other cells: These are likely neurons, which are nerve cells that transmit electrical signals throughout the body.
Neurons have long extensions called axons and dendrites, which allow them to connect to other neurons and muscle cells.
3. Plant root cells that absorb water and minerals from the soil: These are likely root hairs, which are thin projections that extend from the roots of plants.
Root hairs are specialized for absorbing water and minerals from the soil.
4. Plant cells that make food: These are likely palisade mesophyll cells, which are found in the leaves of plants. Palisade mesophyll cells are packed with chloroplasts, which are organelles that contain chlorophyll, the green pigment that allows plants to photosynthesize.
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce food.
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Which statements describe interactions between tw
Water flows from a stream to a lake.
Water evaporates from a lake into the air.
Wind moves parts of rocks to another location.
Lions use energy to catch other animals for food
Polar bears dig big holes in hills of snow to prote
Answer:
B. Water evaporates from a lake into the air.
C. Wind moves parts of rocks to another location.
E. Polar bears dig big holes in hills of snow to protect their young ones.
Explanation:
Evaporation of water from a lake into the air uncovers the connection between two circles of Earth, that is, hydrosphere and environment.
Moving of the bits of the stone to an alternate area with the assistance of air likewise incorporates correspondences inside the two Earth's circles, that is, geosphere and environment.
Digging of enormous gaps in snowfall by the polar bears to safeguard their young ones is additionally a case of connections among two of the Earth's circles, that is cryosphere and biosphere .
Please help me fill in all blanks starting from the box that said about the world around them
Answer:
In this order:
observations
ask questions
hypotheses
controlled experiments
control group
an independent variable
a dependent variable
data
[CM.06]The picture below shows four locations on the map of Australia.
Four locations (A, B, C, and D) are shown on a map of Australia. Point A is located inland on the western portion of the island, Point B is located inland in the northern portion of the island, Point C is located inland on the western portion of the island, and Point D is located on the southern portion of the island along the coast.
Which of these locations is most likely to experience moderate climate throughout the year?
Location A
Location B
Location C
Location D
Answer:
A
Explanation:
1. Given the distribution of charges shown in this
water molecule, why is it called "polar"?
Type your answer here.
Answer:
A polar molecule simply means the charges are not exactly even throughout the molecule. Some parts are slightly negative (outside the oxygen), and some parts are slightly positive (outside the hydrogen atoms). Water is polar because the highly electronegative oxygen atom attracts electrons to it, making the region around the oxygen more negative than the areas around the two hydrogen atoms. This concept is important to understand how water bonds.
A water molecule is characterized as 'polar' due to the unequal distribution of charges. The oxygen atom attracts more electrons than the hydrogen atoms, resulting in a molecule with distinct positive and negative ends.
Explanation:A water molecule is called 'polar' due to the uneven distribution of electrical charges across the molecule. In a water molecule, oxygen is more electronegative than hydrogen. Therefore, the shared electrons tend to spend more time around the oxygen atom, resulting in a partial negative charge. On the other hand, hydrogen atoms exhibit a partial positive charge. This results in a dipole moment, where one side of the molecule is slightly negative and the other is slightly positive. This polar nature of water accounts for many of its unique properties, such as its ability to dissolve many substances (solvent abilities) or its high boiling point compared to molecules of similar size.
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The condition Marfan syndrome results from the production of abnormal elastin, the main protein component of elastic fibers. Predict the potential consequences of defective elastic fibers. (Hint: Consider the organs and tissues in which elastic fibers are found). How would defective elastic fibers impair the functions of these organs and tissues?(
Answer:
Elastic fibers are made of elastin and microfibrils, that are elastic protein structures. The proteins can be stretched and resume normal shape. These fibers are found in parts of the body such as arteries, skin, lungs, connective tissue and heart that require some stretching. Marfan syndrome affects the elastic connective tissues causing symptoms like dilation of the aorta that doesn't resume normal lumen diameter (aortic aneurysm), and curving of the spine (scoliosis).
The lungs are unable to stretch and resume shape normally and this affects the respiratory system. The subjects will suffer from shortness of breath, wheezing and chest pain.
The sheath/endoneurium of neurons is connective tissue. This part of a neuron allows signals to travel effeciently along the axon of the neuron. This means that a person with Mafran syndrome has a slower response to stimuli that ordinary persons.
what is the next step of the scientific method
Answer:
Next step? Since you didn't specify here's all of them:
Explanation:
Question/ProblemHypothesisResearchExperimentDataConclusionAnalysis Communicate Results
SOMEONE PLZ HELP ASAP
Which organelle acts like a post office by packaging and distributing proteins?
Image of an animal cellshown with letters A to F showing various organelles. A points to the golgiapparatus. B points to the mitochondria. C points to the nucleolus. D points to rough endoplasmic reticulum. E points to smooth endoplasmic reticulum. F points to the cell membrane.
A
B
C
D
Answer:
A
Explanation:
Golgi apparatus, a membrane-bound organelle with cisternae, delivers proteins and lipids from the endoplasmic reticulum to where they are needed- such as for secretion outside the cell. Fused vesicles with proteins/lipids that pinch off from the trans end of the ER fuse with the cis end of the Golgi apparatus delivering the ‘cargo’. The proteins/lipids are then given post-translation modified and ‘marked’ for different deliveries. At the trans end of the Golgi apparatus, the vesicles pinch-off with the modified proteins and transported to their destination.
The organelle that acts like a post office by packaging and distributing proteins is the Golgi apparatus, indicated by the letter A.
The Golgi apparatus receives proteins from the rough endoplasmic reticulum (letter D) and modifies, sorts, and packages them into vesicles for transport to their final destinations within the cell or for secretion outside the cell. It plays a crucial role in intracellular transport and protein processing.
Cell organelles are specialized structures within a cell that perform specific functions, analogous to organs in a multicellular organism. Each organelle has its own unique structure and function, contributing to the overall functioning and survival of the cell.
The nucleus houses the cell's genetic material, DNA, and serves as the control center of the cell. It regulates gene expression and coordinates cellular activities.
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