Which molecules are unable to pass through the phospholipid bilayer?
a
Sugar
b
Water
c
Oxygen
d
Protein
The molecules that are unable to pass through the phospholipid bilayer is sugar .
What is phospholipid bilayer?Phospholipid bilayer refer to a two thin layers which consists of hydrophobic head and hydrophilic tail which allow allow the inflow or outflow of gases and smaller substances in cells.
Therefore, The molecules that are unable to pass through the phospholipid bilayer is sugar .
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Which scientist proved the existence of a virus as a new type of pathogen?
Answer:
Dmitri Ivanovsky
Explanation:
Dmitri Ivanovsky utilized one of these filters in 1892 to demonstrate that despite being filtered, sap from a diseased tobacco plant remained infectious to healthy tobacco plants. The filtered, infectious substance was dubbed a "virus" by Martinus Beijerinck, and this discovery is regarded as the origin of virology.
What prevents the simultaneous passage of sperm and urine through the male urethra?.
Answer:
internal urethral sphincter.
Explanation:
describe enzyme in washing
Answer:
Enzyme washing or "bio stoning" is a textile manufacturing technique in which cellulase enzymes are applied to denim. As with traditional stone washing, the intended effect is a faded appearance and softer feel. Because the technique relies on biotechnology, enzyme washing is considered an example of textile bio-processing.
explain human digestive system
Answer:
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion.
Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.
Xiomarra is tall with dark curly hair and brown eyes. She is outgoing and friendly. The way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her
The way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her PHENOTYPE.
What is phenotype?The phenotype is how an organism expresses or evidences a feature. It is the expression of a gene that codes for a feature. It refers to the organism's observable physical, biochemical, or behavioral characteristics.
The phenotype is influenced by the individual's genotype and the action of the environment. It depends on how many genes are involved in the feature expression, the interaction among them, and the inheritance pattern.
In the exposed example,
Physical characteristics ⇒ tall with dark curly hair and brown eyes Behavioral characteristics ⇒ outgoing and friendlyThe way that Xiomarra's genotype is expressed in these observable characteristics is referred to as her PHENOTYPE.
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you see a dog with completely black fur. what can you say about fur color genetics in this dog?
Which of these does NOT occur during meiosis?
production of new gene combinations
production of identical gametes
crossing-over of homologous chromosomes
reduction of chromosome number by one-half
Organs of the lymphatic system include lymph nodes, the thymus, and the spleen. These organs are also part of what other body system?
A. the immune system
B. the circulatory system
C. the digestive system
D. the endocrine system
The organs of the lymphatic system such as lymph nodes, the thymus, and the spleen are also part of the immune system. So, the correct option is A.
What do you mean by the Lymphatic system?The lymphatic system may be defined as a complex network of vessels, nodes, and tissues that synthesizes white blood cells to fight against infections and diseases.
Spleen and Lymph nodes are categorized under secondary lymphoid organ of the immune system, while the thymus is categorized under the primary lymphoid organ of the immune system.
Therefore, the correct option for this question is A.
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Label the 3 layers of the sun
Answer:
middle layer is core, second layer is radiative, and the outer layer is convection
Explanation:
Which statements are true about observations? (Select all that apply.)
A. Observations are only made in a laboratory setting.
B. They are statements made based on something seen, noticed, or measured.
C. We naturally make observations about the world around us.
D. Lab experiments rely on observations, but field investigations do not.
Answer:
b and c
Explanation:
Answer:
b and c
Explanation:
Astronomy
Consider the impact that space has on the human body and compare and contrast that impact to the toll that regular day-to-day life in an office and sitting at a desk has on the human body.
Sitting on a desk in an office can affect the circuation of blood in the human body.
What are the effects of space on the body?We know that space is the region above our atmosphere where there is a deficiency of oxygen.
If the body is exposed to this condition, a condition know as hypoxia could result. Sitting on a desk in an office can affect the circuation of blood in the human body.
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In the 1970s, staghorn corals dominated Caribbean reefs. Since that time, staghorn corals have declined by over 90% and are now classified as critically endangered. What do you think are the causes of this decline, and why do you think staghorn is so vulnerable?
The major cause of staghorn corals decline is, that some organisms in the same aquatic environment affect them negatively and harm them a lot.
What do you mean by Corals?Corals may be defined as marine invertebrates organisms that are composed of colonies of skeletons underwater bodies.
Staghorn is so vulnerable because its branches are so fragile and break by any disturbances. This causes the staghorn to ultimately disintegrate and die.
Therefore, it is well described above.
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Lightly place your fingers on your wrist or neck and try to find your pulse. Count your pulse for 10 seconds and then multiply that number by 6 to get your heart rate for a minute. What activities do you think will increase and decrease your heart rate?
Answer:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
Explanation:
Stress can send hormones like adrenaline and cortisol racing through your blood, which can raise your heart rate. Things like meditation and yoga can help lower stress levels. Over the long term, they can lower your resting heart rate, too
IS a catfish a producer, consumer, or decomposer?
Answer:
Scavengers include vultures and catfish. Some consumers are also decomposers. Decomposers break down dead plants and animals. The two main kinds of decomposers are bacteria and fungi.Explanation:
How can using the knowledge of plants and their properties improve human's health?
Answer:
reduce some of the complexity of the diet-health relationship.
Explanation:
Knowledge of plants can be helpful for humans
We can use the herbals of plantsPlants contain water,food and different medicinesIf we know about it we can archive themAnd they are sufficient for our needsHow do you know there’s is DNA in fruit
Answer:
It is a plant
Explanation:
took the test
Which of the following is TRUE about meiosis?
A.Cut the number of
chromosomes in half
B. Leaves the number of chromosomes the same 0
c. Doubles the number of chromosomes
D. Produces diploid cella
Answer: A and C
Explanation:
During Meiosis, the cell or chromosome splits in half, and the other halves grow back.
State four ways in which the mammalian skin responds to low temperature in the environment
When you're out in cold climate, your skin starts shivering so the blood vessels will acquire and keep you as warm as possible.
But if there's a heat wave, you'll sweat to increase the blood flow to the veins, which in turn increases perspiring. This process chills you off as the water disappears from your skin.
How does the skin respond to low temperature?If the skin temperature drops below 37°C, a variety of rejoinders are started in the skin to have the warmth within the body and to increase heat display . These include vasoconstriction, end of sweating, and erection of follicles to increase insulation.
Thus, this could be the answer.
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Fragments of _________ released from Gram-negative bacteria into the bloodstream produce fever and shock. Lipopolysacharide N-acetylmuramic acid Phospholipid N-acetylglucosamine
Fragments of Lipopolysaccharide( LPS ) released from the Gram-negative bacteria into the bloodstream produces fever and shock
What is a gram negative bacteria ?Gram negative bacteria is classified based on its color after it must undergone a chemical reaction known as gram staining. Gram negative bacteria have a thin peptidoglycan layer.
The fragment of Lipopolysaccharide when released into the bloodstream will send the body into shock and fever as it is released from the Gram-negative bacteria.
Hence we can conclude that Fragments of Lipopolysaccharide( LPS ) released from the Gram-negative bacteria into the bloodstream produces fever and shock.
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What is the connection between genetics and natural selection?.
which stem adaptation is most helpful in protecting a plant from disease
Answer:
The outer layer of a plant—analogous to our skin and also called the epidermis—is the first defense to keeping pathogens out.
Explanation:
The epidermis itself is shielded by additional layers on certain plant parts: bark on a tree, a waxy cuticle on leaves. Plants also produce chemicals that are toxic to pathogens or to insects.
1. A Muslim house of worship is called
mosque
alhamdulillah I am Muslim
Cellular respiration release CO2 and photosynthesis absorbs CO2. These two reactions are part of which biogeochemical cycle?
A. Carbon cycle
B. Water cycle
C. Phosphorus cycle
D. Nitrogen cycle
Answer:
A
Explanation:
A. Carbon cycle
Cellular respiration is the metabolic reaction that occurs in the cells of organisms. Cellular respiration and photosynthesis both add carbon dioxide to the biogeochemical cycle. Thus, option A is correct.
What is a biogeochemical cycle?The biogeochemical cycle is the process that transfers and moves the abiotic chemical factors through the various spheres of the earth. It includes carbon, water, nitrogen, phosphorus cycle, etc.
The process of cellular respiration releases carbon dioxide as the waste gas into the atmosphere that gets consumed by the plants to make energy that gets eaten by the organism that again releases the carbon dioxide. This cycle of carbon goes on from the producer to the consumer in the ecological chain.
Therefore, cellular respiration and photosynthesis contribute to the carbon cycle.
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The __________ nervous system consists of motor neurons that regulate skeletal muscle contractions.
Answer: Somatic neurons regulate skeletal mustle contractions
Which of the following is an
important function of water as
a nutrient?
A. It provides fiber.
B. It helps build and repair muscles.
C. It surrounds our organs for protection.
D. It helps regulate the body's temperature.
Environments include both _____ and _____ things.
Question 1 options:
resources; factors
air; water
living; nonliving
buildings; animals
2. Describe the role of the following in maintaining a constant body temperature in humans:
(a) The skin:
Answer:
The skin helps in the cooling of the body,when there is exess temperature in the body,the skin reduce it and changes it in the form of sweat and also skin acts as a passage of the sweats.
Propose an action plan you would implement in your backyard or in your
neighborhood community to reduce a human impact on a local aquatic ecosystem. In
your action plan proposal, be sure to address the
questions below. Provide sufficient evidence from previous lessons and scientific
reasoning to answer the questions and support your proposed action plan.
1. Where and how it would be implemented? (2 pts.)
2 Why is it a good course of action in reducing a human impact on aquatic ecosystems from
your backyard or community? (2 pts.)
3. What is one way you would monitor your action plan to ensure that it is working to
reduce human impacts into the future? (2 pts.)
There are many ways by which we can reduce human impact in the local aquatic ecosystem.
What do you mean by aquatic ecosystem?Aquatic ecosystems include oceans, lakes, rivers, streams, estuaries, and wetlands. Within these aquatic ecosystems are living things that depend on the water for survival, such as fish, plants, and microorganisms.
It will be implemented on both backyard and aquatic ecosystem. It is good course of action so that organism of aquatic ecosystem have not suffered from the human activity like cleaniness of water, no mixing of chemicals and fishing.Constant checking of quality and population of aquatic organism will ensure that human impact get reduce on aquatic ecosystem.
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PLLSSS-100 POINTS-PLSSSS
How and why do water and carbon dioxide function as raw materials during photosynthesis?
Review how sunlight provides the energy to carry out reactions to release oxygen and produce energy-rich carbohydrates.
Answer:
plants take in carbon dioxide (CO2) and water (H2O) from the air and soil.
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
(if this isnt what your asking just let me know and i do it again)
Explanation:
photosynthesis is the process in which plant make their own food with the help of sunlight,water and carbon dioxide. water and carbon dioxide are raw materials in photosynthesis because they help to prepare their food.During photosynthesis, plants take in carbon dioxideand water from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.
sunlight, water and carbon dioxide helps to produce energy storing carbohydrates.The energy from sunlight drives the reaction of carbon dioxide and water molecules to produce sugar and oxygen, as seen in the chemical equation for photosynthesis.
carbon dioxide + water➡️sugar + oxygen
6co2 + 6 h2o➡️c6h12o6 +6o2
