Answer:
Through simple diffusion, down the concentration gradient.
Explanation:
The phospholipids of the membrane are amphipathic with hydrophillic heads and hydrophobic tails. Other polar molecules cannot go through this hydrophobic interior. Since small uncharged lipids are non polar and hydrohobic, they are able to go through the membrane without the help of transport proteins. Therefore, the last two options can be ruled out because facilitated diffusion includes the use of a protein. Diffusion involves molecules moving down the concentration gradient so the second option can be ruled out.
Staphylococcus aureus, or staph, is a bacteria that is commonly found in the nose and on the skin of humans. While it is typically not harmful to humans, it is sometimes able to enter the body through an injury or broken skin, and get into the bloodstream. When this happens, it can cause a serious infection called sepsis. Sepsis can cause an individual to go into shock and bodily organs to stop functioning. Symptoms of sepsis include inflammation, fever or hypothermia, increased heart rate, and rapid breathing.
A microscopic image of staphylococcus aureus is shown.
Which immune system component initially results in the inflammation and responds quickly when Staphylococcus aureus enters the bloodstream?
complement system
phagocytes
Langerhans cells
B lymphocytes
Mark this and return
Answer:
lymphocytes is the answer
Helppppp will mark brainliest
Answer:
the mixture is a COLLOID and can best be separated by EVAPORATION
not 100% sure the second part is correct... hope it is and i hope i helped! :)
how does the flu impact public health
Answer:
major public health concern. Annually, flu causes illness in a substantial proportion of the U.S. population and may result in serious complications, including events leading to hospitalization and death. Influenza viruses are highly unpredictable.Mar 8, 2018
Pay attention to what happens to the things around you as you go about
your day. Describe three examples of Newton's third law in action (use
different ones from those described in the lesson). In your examples
describe the action and the equal and opposite reaction.
Answer:
Examples of Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices. Two other examples are: As a professor paces in front of a whiteboard, he exerts a force backward on the floor. A car accelerates forward because the ground pushes forward on the drive wheels, in reaction to the drive wheels pushing backward on the ground.
Explanation:
PLEASE HELP EHHHHHH );
Answer:
1
Explanation:
Answer:
The answers are 1 and 3.
Explanation:
Viruses are tiny particles, smaller than prokaryotic cells. Viruses are not cells and cannot replicate without help, but they have nucleic acids and can evolve.
Hope that helps and please give me brianliest!!
I attached the image above
Which statement describes an advantage of sexual reproduction over asexual reproduction?
Answer:
One advantage is that secual reproduction provide variation which can help living things survive in different environment. Asexuals cannot have variation.
Explanation:
One advantage is that sexual reproduction provide variation which can help living things survive in different environment. Asexuals cannot have variation.
What is sexual reproduction?When sperm from a male parent fertilizes an egg from a female parent during sexual reproduction, the result is an offspring that is genetically distinct from both parents.
The genetic diversity of organisms is a result of sexual reproduction. Meiosis, a process that creates sperm and egg cells, is the first step in sexual reproduction.
Because they have half as many chromosomes as the parent, these cells are known as haploids. A diploid zygote is created during sexual reproduction when a male parent's haploid sperm fertilizes a female parent's haploid egg.
Therefore, One advantage is that sexual reproduction provide variation which can help living things survive in different environment. Asexuals cannot have variation.
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Which statement correctly describes glucose (C6H12O6)?
A. It is made of matter and contains twenty-four molecules.
B. It is an element made of three types of atoms.
C. It is an atom made up of carbon, hydrogen, and oxygen.
D. It is a compound made of twenty-four total atoms.
Answer:
D
Explanation:
Glucose is a compound of 6 atoms of carbon, 12 atoms of hydrogen and 6 atoms of Oxygen. It contains 24 total atoms.
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How would an organism most likely respond to extremely cold temperatures? (4 points)
A. Blood vessels would constrict to reduce heat loss through negative feedback.
B. Blood vessels would dilate to transfer heat to more areas of the body through positive feedback.
C. Cold receptors would signal the body to retain heat through positive feedback.
D. As the organism uses energy, body temperature would decrease through negative feedback.
Explanation:
the answer is A..........
An organism most likely would respond to an extremely cold temperature as the blood vessels would constrict to reduce the heat loss through the negative feedback. Thus, the correct option is A.
How does an organism adapt to cold temperature?Adaptations are the changes in the body of a living organism which help them to survive better in a particular set of environmental condition such as hot temperature, cold temperature, etc.
In cold temperature, Shivering is an adaptation in which the nerve impulses are sent by the hypothalamus of the brain to the skeletal muscles to bring about rapid contractions which generate heat and this helps the body in staying warm. Shivering therefore helps an organism in raising the body temperature. Increase in the metabolic rate, the liver produces extra amount of heat in order to raise the temperature of the body.
An organism most likely respond to cold temperature as the blood vessels constrict to reduce the heat loss through negative feedback.
Therefore, the correct option is A.
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Which of the following is not a function of nucleic acids during the transcription and translation processes?
O Carry genetic information from the nucleus to ribosomes
O Serves as the source of information that remains secure in the nucleus
O Carries amino acids that are bonded together to form proteins
O Forms the nuclear envelope to protect genetic material
Answer:c
Explanation: not me looking for the answers and finding you here
The principal RNA involved in protein synthesis is tRNA rather than the mRNA that is produced during transcription, which is carried from the nucleus into the cytoplasm to the ribosome. Thus, option C is correct.
What is a function of nucleic acids?A DNA strand serves as a template for the construction of the RNA molecule during transcription. The protein synthesis process and DNA are connected by the RNA molecule.
The RNA molecule produced during transcription transmits data from the DNA to the machinery that makes proteins during translation.
Because they control the creation of proteins, nucleic acids—the primary information-carrying molecules of the cell—determine the inherited traits of every living creature.
Deoxyribonucleic acid (DNA) and ribonucleic acid are the two primary types of nucleic acids (RNA).
Therefore, carries amino acids that are bonded together to form proteins is not a function of nucleic acids.
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Which of the following is an example of phagocytosis? : A cell takes in large amounts of water. A cell in the thyroid gland secretes a product to the outside. the sodium-potassium pump uses ATP energy to move ions. An amoeba wraps its membrane around a small unicellular organism to eat it.
Answer:
An amoeba wraps its membrane around a small unicellular organism to eat it.
Explanation:
A large canyon, with a large river running through the bottom, was MOST LIKELY formed by
Answer:
the movements of rivers, tectonic activity, and erosion.
Pls help me I don’t have much time left I’ll give brainliest
Answer:
A. 10 N right. I believe this is the right answer
What geologic process creates an alcove
A) glaciation
B) wind erosion
C) tectonic uplift
D) coastal erosion
Answer:
wind erosion
- i know this question is older but i hope this helps anyone who may need it. :-)
The geologic process that creates an alcove is wind erosion, which is present in Option B, as the alcove is a recessed area in a rock or cliff face that is often semicircular in shape.
What is wind erosion?Alcove is created by the process of wind erosion. Over time, wind can carry abrasive particles, such as sand or small rocks, that erode the softer rock on the face of a cliff, carving out a hollow space. As the wind continues to erode the rock, the hollow can deepen and expand, forming an alcove. Alcoves are often found in areas with strong, consistent winds, such as desert regions, and can range in size from small niches to large, room-sized spaces. In addition to wind erosion, alcoves can also be created by other geologic processes such as water erosion or tectonic activity.
Hence, the geologic process that creates an alcove is wind erosion, which is present in Option B.
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How fast can you answer correct..? How fast can i give you brainliest and rank up? Explain Your answer
HELP
Answer:
D (but b on the map)
Explanation:
Which of the following organisms in the soil food chain does not obtain energy directly from plants?
a. bacteria
b. fungi
C. protozoa
d. nematodes
Answer:
C
Explanation:
Protozoa have been classified into three trophic categories: the photoautotrophs which harness the sun's radiant energy in the process of photosynthesis; the photoheterotrophs, which although phototrophic in energy requirements, are unable to use carbon dioxide for cell synthesis and must have organic carbon compounds
Protozoa in the soil food chain does not obtain energy directly from plants. So, the correct option is C.
Who are Protozoa?Protozoa is defined as a group of single-celled eukaryotes, which is either free-living or parasitic, that feed on other microorganisms or on organic matter such as organic tissues and debris.
Protozoa are classified into two trophic categories:
Photoautotrophs that harness the Sun's radiant energy in the process of photosynthesisPhotoheterotrophs which although phototrophic in energy requirements, are unable to use carbon dioxide for cell synthesis and must be organic carbon compounds.Thus, Protozoa in the soil food chain does not obtain energy directly from plants. So, the correct option is C.
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If a dented pea plant is crossed with a heterozygous smooth plant, what will be the phenotypes of the offspring?
I attached the answer in a photo
What are 5 factors that decrease populations (explain each or tell how that factor causes a decrease in a population).
Answer:
Morality and Emigration
Explanation:
Mortality and emigration decrease the population. Thus, the size of any population is the result of the relationships among these rates. Natality, mortality, immigration, and emigration rates apply to every population, including the human population. The sum of these rates makes up the growth rate of a population.
What is the function of Fat cells
If the mrna is damaged, it directly interferes with the ability of a animal cell to do which of the following?
Answer:
Proteins.
Explanation:
If the mRNA is damaged, it directly interferes with the ability of producing proteins in animal cell because mRNA is responsible for carrying the protein blueprint from a cell's DNA to its ribosomes which are considered as the machines of the cell that produces proteins for the cell. These messenger RNA has the information about what type of proteins are required to produced for the cell. So if mRNA is damaged, the ribosomes are unable to produce proteins for the cell.
Unfortunately brainly won't let me put the question for some reason, so I'll provide the question in the screenshot, please read...
I get you :-)
If supposedly there were air spaces in the palisade cell,it would have fewer chloroplasts that carry out photosynthesis.Hence photosynthesis won't be as effective.
Hope this made sense
3 QUESTIONS PLS HELP MIDDLE SCHOOL/HIGHSCHOOL SCIENCE
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1. Which of these is a piece of evidence supporting the theory of evolution?
A) Ostriches resemble armadillos.
B) Armadillos resemble emus.
C) Glyptodons resemble armadillos.
D) Finches resemble glyptodons.
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2. Which physical evidence supports the evolution of Earth due to chemical weathering?
A) Hammer shape of Bryce Canyon rocks
B) Red color of Bryce Canyon rocks
C) Streaks on the face of Wave Rock
D) Concave shape of Wave Rock
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3. A scientist is designing an investigation to study the impact of fungal disease on the population of mountain yellow-legged frog in a recreational nature park. What is most likely the outcome variable (dependent variable) for the study?
A) Frog population
B) Fish population
C) Disease-controlled habitat
D) Native habitat in natural setting
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Answer:
d,c,a
Explanation:
Earthworms are a species of worms that lives in moist soil along with other organisms like tiny insects and bacteria. Earthworms obtain water and nutrients by eating dead plant material found in the soil. Earthworms also release waste materials that help enrich the soil.
Based on this information, which sentence is correct?
The earthworms are an environment.
The earthworms are a community.
Soil is the earthworm’s habitat.
Soil is the earthworm’s niche.
Answer:
soil is the earthworm's habitat
Explanation:
Answer:
C
Explanation:
The cell theory applies to all organisms, including the five shown below. Which of the following statements describes how these organisms are an example of the cell theory? A. The organisms have cells that lack a nucleus. B. The organisms are made of one or more cells. C. The cells of the organisms undergo photosynthesis. D. The cells of the organisms are identical to each other.
Answer:
Its B
Explanation:
ALl of the cells are made from cells so that is the answer hope this helps :)
What does it mean to translate something?
(No copy and paste answers I’ll give you Brainliest)
Answer:
When creating proteins from mRNA templates .
Explanation:
The nucleotide sequence on the RNA is translated into amino acid sequence of proteins. This is carried out by ribosomes.
Which value represents a population density? A. 3,000 fish in a certain lake B. 1,500 shrimp per cubic meter of sea water C. 1,300 shrimp in a certain ocean D. 500 adult crabs along the entire intertidal zone
Answer: D. 500 adult crabs along the entire intertidal zone
Explanation:
Answer:
D. 500 adult crabs along the entire intertidal zone
Explanation:
what is five facts about solar energy
Answer:
solar energy is renewable
it is less efficient
more expensive
can be not as efficient in certain climates
collected using solar panels
Answer:
1. 174,000 terawatts of energy consistently strike the earth as solar radiation at any moment, even on the cloudiest of days.
2. One hour of sunlight is equivalent to one year’s worth of energy for the planet.
3. Solar energy produces no pollution when generating electricity.
4. Sunlight travels the 90 million miles to Earth in 10 minutes.
5. Solar power plants can last more than 40 years.
- I hope this helps have a great night!
Which of these is a solution?
O mercury
O apple juice
O concrete
Which statement describes the relationship between plants, animals, and the carbon cycle?
O Plants use carbon and release oxygen, and animals release carbon and use oxygen.
O Animals fix carbon and release oxygen, and plants release carbon and use oxygen.
Animals fix carbon through respiration, and plants fix carbon through photosynthesis.
Plants use carbon when they decompose, and animals release carbon when they decompose.
Answer:
Plants use carbon and release oxygen, and animals release carbon and use oxygen.
Explanation:
The statement that accurately describes the relationship between plants, animals, and the carbon cycle is:
Plants use carbon and release oxygen, and animals release carbon and use oxygen.
Why do plants use carbon and release oxygen?Plants play a crucial role in the carbon cycle through the process of photosynthesis. They absorb carbon dioxide (CO2) from the atmosphere and use it, along with sunlight and water, to produce carbohydrates and release oxygen as a byproduct. This process helps to remove carbon from the atmosphere and convert it into organic compounds.
On the other hand, animals (including humans) obtain energy by consuming plants or other animals. During respiration, animals take in oxygen and release carbon dioxide as a waste product. This carbon dioxide is then released back into the atmosphere, where it can be used by plants for photosynthesis.
Therefore, plants contribute to the reduction of atmospheric carbon dioxide levels by using carbon during photosynthesis and releasing oxygen, while animals contribute to the carbon cycle by releasing carbon dioxide during respiration and utilizing oxygen.
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What happens in Interphase?
a. The cell grows & replicates DNA
b. The cell splits in two
c. The chromosomes move to the middle
d. The cell starts to cleave
Answer:
A, Cell grows and replicates DNA
Explanation:
you can also just look this one up on googlo