Can someone please answer these for me? i’ll give brainlist
Is energy required for substances to pass in or
out of the cell?
Which of the methods of transport into or out of
the cell require energy?
Which do not?
What's the function of the cell membrane?
Answers
Answer:
energy can be needed for both passing in the cell or out of the cell, it depends on the type of transport. there is active transport and passive transport. passive transport does not require energy while active transport does. the function of the cell membrane is to act as a gateway for materials to go in and out and to choose what goes in and what doesn't and what leaves and what doesn't.
Explanation:
i took this chapter last week.
Related Questions
2.) List five ecological, anatomical, or behavioral
features of the American Bison that modify their environment in
ways that sustain native North American prairie
ecosystems.
Answers
The American Bison modifies the environment in native North American prairie ecosystems through grazing behavior, seed dispersal, wallowing, dust bathing, and trampling, sustaining the biodiversity and stability of the ecosystem.
Five ecological, anatomical, or behavioral features of the American Bison that modify their environment in ways that sustain native North American prairie ecosystems are:
Grazing and foraging behavior: Bison are herbivores that graze on grasses and forbs, playing a crucial role in controlling vegetation composition and structure. Their grazing behavior helps maintain the balance between grasses and other plant species, preventing the dominance of woody plants and promoting the diversity of the prairie ecosystem.Seed dispersal: Bison aid in seed dispersal by consuming plants and depositing undigested seeds in their feces across the prairie. This dispersal mechanism helps in the colonization and regeneration of plant species, contributing to the overall biodiversity and stability of the ecosystem.Wallowing behavior: Bison create wallows by rolling in depressions or mud pits. These wallows help create small microhabitats that retain water, providing essential watering holes for other wildlife during dry periods. They also expose mineral-rich soil, which benefits certain plant species adapted to these disturbances.Dust bathing: Dust bathing is another behavior of bison that modifies the environment. By rolling in dry soil or dust, they create depressions that can trap moisture, promoting seed germination and enhancing plant growth in localized areas.Trampling and soil disturbance: The large size and movement of bison cause trampling and soil disturbance, which can be beneficial for the prairie ecosystem. Trampling breaks up compacted soil, facilitating water infiltration and nutrient cycling. It also creates patches of bare soil that allow for the colonization of new plant species and provide nesting sites for ground-nesting birds.Learn more about American Bison at
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A work resume describing the functions of lipids and what a lipid is.
Answers
Lipid is any form of a diverse group of organic compounds that are insoluble in water.
Lipid includes fats, oils, hormones, and various other components of membranes which are grouped together because they do not interact with water. Lipid is any form of a diverse group of organic compounds. One type of lipid, the triglycerides which is considered as fat in adipose cells, and it serve as the energy-storage depot for organisms and also provide thermal insulation.
Functions of lipid are are as follows:
1)Storing and providing energy.
2)Chemical messengers.
3)Cholesterol formation.
4)Regulating body temperature.
5)Formation of Prostaglandin and its role in inflammation.
6)Membrane lipid layer formation.
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(iv) if a sewage treatment plant malfunctions or if low-income areas lack sanitary waste disposal, raw sewage can be introduced into surface waterways. describe one potential environmental problem or one potential human health problem that can result from the presence of raw sewage in surface waters.
Answers
**Potential environmental problem** caused by raw sewage in surface waterways is the contamination of water and degradation of aquatic ecosystems.
Raw sewage contains high levels of nutrients, organic matter, pathogens, and toxic substances that can cause algal blooms, oxygen depletion, and other harmful effects on aquatic plants, animals, and microorganisms. These effects can lead to the death of fish and other aquatic organisms, loss of biodiversity, and the spread of diseases.
**Potential human health problem** caused by raw sewage in surface waterways is the risk of exposure to waterborne diseases. Raw sewage contains harmful bacteria, viruses, and parasites that can cause illnesses such as gastroenteritis, hepatitis A, and cholera. Exposure to contaminated water can occur through drinking, swimming, or other recreational activities in or near the water. In addition, raw sewage can also contaminate sources of drinking water, which can lead to outbreaks of waterborne diseases in communities.
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Which function is associated with phagocytes in the blood
Answers
The function associated with phagocytes in the blood is phagocytosis, which is the process of engulfing and destroying foreign particles, such as bacteria and viruses.
Explain why it's incorrect to say that individual organisms can adapt over time.
Answers
Answer:
Because individuals do not adapt over time, populations adapt over time
Type of experiment that tests on variable and measures the effect of this variable.
Answers
Controlled experiments are designed to establish cause-and-effect relationships between variables. By controlling for other factors and isolating the impact of the independent variable, researchers can determine whether changes in the independent variable directly influence the dependent variable. This type of experiment allows for rigorous testing and evaluation of hypotheses and helps in drawing meaningful conclusions about the relationship between variables.
i really nee you help pls
Answers
Answer:
1>B
2>C
3>A
Explanation:
a pea plant is homozygous dominant for seed shape and seed color and produces round, yellow seeds. what genotype is possible for the offspring?
Answers
Genotype possible for the offspring when a pea plant produces round, yellow seeds: RRYY, RRYy, RrYY, RrYy
Pea plants have a variety of seed shapes and colors. These characters are managed by alleles, alternative versions of a gene. A pea plant is homozygous dominant for seed shape and seed color and produces round, yellow seeds. Let's determine the genotype possible for the offspring. It is homozygous dominant for both seed color and seed shape, therefore the genotype must be RRYY. R represents the round seed, and Y represents the yellow seed. It means the two alleles (genes) on each pair are the same and dominant. Round (R) is dominant over wrinkled (r) and yellow (Y) is dominant over green (y). Therefore, the offspring must contain either RRYY, RRYy, RrYY, RrYy.
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Why might an ecosystem be better able to
cope with a season of forest tent caterpillar
outbreak than an increase in acidic
precipitation?
Answers
Answer: It contains leach aluminium.
Explanation:The ecological effect of acid rain are most Clearly seen in aquatic environment such as, stream, lakes and marshe where it can be harmful to fish and other wildlifes.
Explain why raising the temperature in which a cell lives might slow one of the cell’s enzyme-catalyzed chemical reactions?
Answers
The protein might become thermally denaturated as a result, becoming inactive.
As a result, excessive heat can denature or render inactive an enzyme or substrate, reducing the speed of an enzyme-catalyzed reaction. There is a temperature range where the maximum rate of reaction is attained for each enzyme.
The enzyme's temperature optimum is defined as this maximum. Most enzymes perform best at a temperature of around 98.6 ℉ (37 degrees Celsius).There are enzymes that function well both at low and high temperatures. Animals in the Arctic, for instance, have enzymes adapted to lower ideal temperatures, while those in desert environments have enzymes adapted to elevated temperature.
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(please help me)
Select the correct answer.
Mendel performed studies on the seed color of pea plants. What conclusion can be drawn from this diagram?
Answers
Answer:
The answer is the third option; all the pea plants with green seeds contain same alleles for that trait.
Explanation:
This question shows a monohybrid cross involving a single gene coding for seed colour in pea plant. Two traits controlled by two alleles are involved viz: Yellow allele (Y) coding for yellow trait and green allele (y) coding for green trait. Two purebreeding parents are crossed in the P generation i.e. YY (yellow pea) × yy (green pea).
Based on the image, all the F1 offsprings exhibited yellow seeds meaning that the allele for yellow seed color (Y) is dominant over the allele for green seed color (y). Two heterozygous F1 offsprings (Yy) are self-crossed to give an F2 offsprings in a ratio 3 Yellow : 1 green.
Using a punnet square, a Yy × Yy cross in the F1 generation will give rise to four offsprings with genotypes: YY, Yy, Yy and yy.
YY, Yy and Yy are yellow offsprings while yy is a green offspring.
Based on this, all the pea plants with green seeds in the F2 generation contained the same alleles (yy) for the trait.
17. What causes evaporation?
O Air that is unsaturated with water vapor comes into contact with the surface of the water
O Air that is cooler than the water comes into contact with the surface of the water
O Air that is warmer than water comes into contact with the surface of the water
O Air that is supersaturated with water vapor comes into contact with the surface of the water in
Answers
Evaporation occurs when air that is warmer than water comes into contact with the water's surface, hence option A is correct.
What is evaporation?As a liquid transforms into a gas, evaporation, a sort of vaporization, occurs on the liquid's surface. For instance, a high concentration of the evaporating substance in the surrounding gas significantly slows down evaporation when humidity affects the rate of evaporation of water.
It takes in moisture from garden soil as well as the biggest lakes and seas, and the level of the water will decrease when it is heated by the sun.
Therefore, solar energy, or heat from the sun, is what causes the evaporation process to occur, hence option A is correct.
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how are archaic homo sapiens different in both physical and cultural characteristics from homo erectus?
Answers
Archaic Homo sapiens is the predecessor of modern Homo sapiens. They are different in both physical and cultural characteristics from Homo erectus.
Physically, their cranial capacity was larger, their faces were less protruding, their brows were more pronounced, and their skulls were more globular. In comparison to Homo erectus, their skeletons were longer and more slender.
Culturally, the Homo sapiens developed more complex behaviors like stone tools and a more sophisticated language. They also developed a more complex social structure, with evidence of a division of labor and the development of rituals and religious beliefs.
They also had a more sophisticated artistic style, including cave art, carved figurines, and musical instruments. In addition, they were able to migrate to widely dispersed locations and adapt to a wider array of habitats than Homo erectus.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
Answers
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
Which kind of trees are tropical forests likely to have?
A. Coniferous
B. Saguaro
C. deciduous
D. Broadleaf
Answers
Tropical forests are likely to have broadleaf trees. These trees are also known as angiosperms and are characterized by their large, flat leaves. Broadleaf trees are very common in tropical forests due to the warm and humid climate, which provides ideal growing conditions for this type of tree. They are able to photosynthesize efficiently in the low light conditions of the forest floor, which allows them to thrive in the dense canopy of the forest. Coniferous trees are typically found in cooler climates and tend to have needle-like leaves. Saguaro cacti are found in deserts and not in tropical forests. Deciduous trees, which lose their leaves in the winter, may be found in some tropical forests, but broadleaf trees are generally the dominant type.
whitchbof the following is a function of nucleic acids
Answers
Answer:
To store and transmit genetic information.
They give instructions for proteins.
Explanation:
Which is a part of the cell theory? cells come from pre-existing cells cells have a nucleus organisms with one cell must be seen with a microscope organisms must have more than one cell to live
Answers
Answer:
Cells come from pre-existing cells
Explanation:
A part of the cell theory is cells come from pre-existing cells. The correct option is A.
What is the cell theory?The cell theory is the conclusion of many scientists. There are three postulates of the cell theory. They are: all organisms are made up of cells. New cells are made up of old cells, and the cell is the basic structural and functional unit of life.
The cell is the smallest and basic unit of life. All functions of the body are performed by cells. It contains a cell organelle that has different functions and structures.
A nucleus is present in the cell and microscopic organs must have a single cell, they are not a part of cell theory, this is more related to the organism, not cells.
Thus, the correct option is A. cells come from pre-existing cells.
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Which of the Following organisms Reproduce through Spore Formation?
Answers
Many different types of organisms reproduce through spore formation, including:
Fungi: Many types of fungi, such as mushrooms and mold, reproduce through the production of spores.
Algae: Many types of algae reproduce through the formation of spores.
Bryophytes: mosses, hornworts, and liverworts reproduce via spores.
Ferns: Ferns reproduce via spores.
Some bacteria: Some types of bacteria, such as Bacillus and Clostridium, reproduce through the formation of spores.
Note that spore formation is one way of reproducing, but not all organism that can form spores reproduce only via spores. Some may have other ways of reproducing as well.
Answer:
Fungi reproduce through spore formation; for e.g., bread moulds.
Explanation:
exchange of gases and nutrients occurs by diffusion between the
Answers
Exchange of gases and nutrients occurs by diffusion between the Alveoli and Capillaries in the Lungs and Capillaries and Tissues in the Body
In the respiratory system, oxygen from inhaled air diffuses across the thin walls of the alveoli (air sacs) into the surrounding capillaries. At the same time, carbon dioxide, a waste product of cellular respiration, diffuses from the capillaries into the alveoli to be exhaled. Capillaries and Tissues in the Body: In the circulatory system, oxygen-rich blood is transported by arteries to the capillaries that surround the body's tissues. Here, oxygen diffuses out of the capillaries and into the cells, while carbon dioxide, produced as a result of cellular metabolism, diffuses from the cells into the capillaries to be transported back to the lungs for elimination.
These processes of gas exchange occur across thin, permeable membranes, allowing for the diffusion of gases between areas of higher concentration to areas of lower concentration. Similarly, nutrients such as glucose, amino acids, and fatty acids are also exchanged between the capillaries and tissues through diffusion, ensuring the delivery of essential substances for cellular functioning and the removal of metabolic waste products.
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are the colonies of the organism streaked in this question pigmented? is the pigment soluble or non soluble
Answers
Answer:
Soluble in water
Explanation:
There are various pigments which are produced by bacteria. These pigments can be soluble or insoluble in water. Bacteria's have potential to produce diverse bioproducts. The pigments produced by bacteria are of different colors. These pigments are used to add color to textile or paint.
Which are the major structures of the integumentary system? Select three options.
bones
hair
joints
muscles
nails
skin
tendons
Answers
Skin
Hair
Nails
Answer:
The major one are
Hair, Skin and Nails
Explanation:
I did this test
Hope this helps :)
Organization:
1. Is your organism unicellular or multicellular? Prokaryotic or Eukaryotic? Describe the cells.
2. What unique physical characteristics does it have? (Color, shape, size, body systems, etc.)
Response to Stimuli:
3. What type of environment does your organism live in? (Forest, trees, ocean, far away planet, etc.)
4. How does your organism respond to its environment? (In other words, does it have a strong reaction to
light, pain receptors, breathe oxygen, senses, etc.)
Answers
Eukaryotic cells are fungi and protists and plants and animals; prokaryotic cells include bacteria Paramecium, a unicellular organism, is prokaryotic Since it is made of many cells, a bacterial colony is a multicellular organism.
compared to an unmutated version of the gene, will the gene with this silent mutation have a different dna sequence? compared to an unmutated version of the gene, will the gene with this silent mutation have a different dna sequence? yes no
Answers
No. A silent mutation in a gene will not result in a different DNA sequence compared to an unmutated version of the gene.
Silent mutations are a type of point mutation that occur in the DNA sequence of a gene but do not alter the resulting amino acid sequence of the encoded protein. These mutations typically involve changes in the third nucleotide position of a codon, where multiple codons can encode the same amino acid. Due to the redundancy of the genetic code, a change in the third position of the codon may not affect the final protein product.
As a result, the DNA sequence of the gene with a silent mutation will be the same as the unmutated version, with no observable change in the protein sequence. Therefore, the correct answer is: No.
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He notion that the manner in which one's brain develops can have a significant impact on a persons cognitive functioning is central to the ________ perspective in developmental psychology. naturist neuroconstructivist epigenetic biopsychosocial
Answers
Answer:
neuroconstructivist
Explanation:
The neuroconstructivist states that the gene and environment interactions are crucial for the development of the brain and provide us with distinct evolutionary functions. These gradually become specialized over a period of time.which side of a blood vessel epithelial tube faces the blood?
Answers
The lumen of the blood vessel epithelial tube faces the blood. This is the interior space of a tubular structure, such as a blood vessel, in which blood flows.
The innermost layer of blood vessels is the endothelium, which is a thin layer of cells that lines the lumen and is in direct contact with the blood. This allows for the exchange of gases and other nutrients between the blood and the surrounding tissue.
Therefore, the epithelial cells of a blood vessel are positioned to face the blood in order to allow for this exchange to occur.The endothelium also serves as a selectively permeable barrier that regulates the passage of molecules and substances into and out of the blood vessel.
The endothelial cells have tiny openings called fenestrations, which allow for the passage of certain substances, such as gases and nutrients, while preventing the passage of others, such as large molecules or harmful substances.
The orientation of the epithelial cells towards the lumen of the blood vessel is an important adaptation that allows for the efficient exchange of substances between the blood and the surrounding tissues.
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The following diagram represents a new virus that some in the scientific community believe has NOT yet reached Louisiana.
Prompt: Explain if the scientists that believe the virus has not reached Louisiana are accurate. Be sure to include your understanding of antigens, formation and structure of antibodies, and data evidence to support your answer.
NEED ASAPPP!!! please help
Answers
The virus not reaching Louisiana is confirmed by the antibody test of the population if there is no antibody against the virus it is believed that the virus is not spread.
What is the effect of viral infection?The virus infects the body by invading the host cell and injecting its genetic material and replicating inside the host cell.
Viruses, bacteria, or any substance which is foreign to the host body is act as an antigen for them and develops antibody against this virus to the other substances.
Therefore, by the antibody test, it may be easier to find how any virus spread in a particular area.
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I need help on this ASAP!! Cellular respiration and photosynthesis
Answers
Answer:
1 and 3
Explanation:
An excretory system that is partly based on the filtration of fluid under high hydrostatic pressure is the _____.
Answers
An excretory system that is partly based on the filtration of fluid under high hydrostatic pressure is the kidneys.
The paired kidneys are frequently regarded as the primary excretory organs. The generation of urine, a liquid waste product, by the kidneys serves as the body's main method of excreting extra water and waste from circulation.
What are kidneys?
Excretory systems maintain the right concentrations of water, salts, and nutrients while eliminating metabolic wastes to regulate the chemical composition of bodily fluids. In vertebrates, this system is made up of the kidneys, liver, lungs, and skin.Kidneys are the vital organ of the human body.Kidneys helps in removing wastes and extra fluids from the human body.Kidneys helps in removing acid from the body, which maintain the balance in the cell.Kidneys also helps in regulating and filtering the blood.Kidneys helps in synthesizing the cells, which makes blood cells.Kidneys helps in regulating the blood pressure.To learn more about kidneys visit: https://brainly.com/question/2478967?
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4. The temperature in \( \# 3 \) is fresh water's temperature of maximum density. a. lower than b. equal to c. higher than
Answers
The given statement “The temperature in # 3 is fresh water's temperature of maximum density” means that the temperature at point 3 has a density of maximum density compared to other points of fresh water. So, the temperature at point 3 is equal to fresh water's temperature of maximum density. Therefore, the answer is option b. equal to.
Water is known as the only substance on earth that exists in all three forms, i.e., solid, liquid, and gas. Moreover, the density of water is also unique compared to other substances. Density is the property of a substance that measures the relationship between the mass and volume of a substance. The density of water varies with temperature and pressure. So, the density of water is always higher than that of gases but lower than most solids.
The density of fresh water at standard atmospheric pressure is around 1000 kg/m³, whereas seawater has a density of around 1025 kg/m³ at the surface. The density of water at different temperatures: Water has a unique density-temperature relationship, meaning the density of water varies with temperature.
At 4 °C, fresh water has the highest density, and as the temperature rises or falls below this point, the density of water decreases. So, water has an anomalous density-temperature relationship. Hence, b is the correct option.
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PLEASE PLEASE PLEASE HELP!!!!! maybe easy????
In three to five sentences, explain the effects of acid rain on the environment.
Answers
Answer: Aluminum from the soil is dissolved by acid rain. That metal might be bad for both plants and animals. Acid rain also depletes the soil of the minerals and nutrients that trees require to develop. Increased soil acidity is bad for plants and is brought on by acid rain. Many fish species are harmed by acid rain in streams, lakes, and rivers, and they can't live. Historical artworks and statues' materials are destroyed by acid rain.
Explanation:
Acid rain is a kind of precipitation which has some acid content in it. The basic contents of acid rain includes sulphuric acid and nitric acid.
The pH value of the acid rain is less than 5.6
Acid rain can cause severe damage to the environment.
It kills the aquatic life and affects the growth of plants.
It deteriorates the air quality due to addition of harmful contaminants.
It also harms building materials thereby leading to weakening of infrastructure.
Acid rain also affects the climate since it increases the concentration of greenhouse gases in the atmosphere.
Acid rain is caused by the emission of harmful gases such as nitrogen dioxide and sulphur dioxide.
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