Answer:
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Explanation:
Certainly! Here are five examples of situations or phenomena related to air pressure:
1. Weather Systems: High and low-pressure systems in the atmosphere influence weather patterns. High-pressure areas are associated with clear skies and stable weather, while low-pressure areas often bring cloudy, stormy conditions.
2. Barometer: A barometer is an instrument used to measure atmospheric pressure. It can indicate changes in weather conditions. A rising barometer suggests high pressure and fair weather, while a falling barometer indicates low pressure and the potential for storms.
3. Suction Cups: Suction cups work by creating a vacuum between the cup and a surface, causing lower air pressure inside the cup compared to outside. This pressure difference allows the cup to stick to the surface.
4. Scuba Diving: As divers descend underwater, the pressure increases due to the weight of the water above them. They must equalize the pressure in their ears and masks to avoid discomfort or injury.
5. Airplane Flight: Aircraft cabins are pressurized to maintain a comfortable atmosphere for passengers at high altitudes. The pressure inside the cabin is adjusted to simulate conditions at lower altitudes, where oxygen levels are sufficient for breathing.
Homologous structures are defined as similar physical structures, which share a common ancestor. These similar structures perform different functions.
Thus, the hypothesis that suggests the different structures of the organisms is that these organisms shared a common ancestor.
Learn more about homologous structureshere:
The answer is D because if they are similar it means that they share a distant ancestor they evolved from.
Options: A. 2. B. 3. C. 1 D.4
Answer:B.3
Explanation:Myplate is a program of the United States of America, it aims to design standard nutrition required for children,it aims to ensure that the children live a healthy Lifestyle with reduced incidence of diseases.
MyPlate is managed and published by the USDA(United States Department of Agriculture) Center for Nutrition Policy and Promotion. It is a circle of very colourful and attractive food/ nutrition designs which make it more attractive and appealing.
B. They're harmless, because they're imaginary.
C. They're a kind of negative self-talk.
D. They're a kind of positive reinforcement.
The following statements is true of imagined risks: C. They're a kind of negative self-talk.
Which of the following statements is true of imagined risks?
In human relation, imagined risk is an exaggeration of a threat that can make an individual to overreact or develop behaviors that affect the such individual confidence level. Imagined risks are imaginary and they are created out of fear and doubt. Another name for imagined risks is negative self-talk. Imagined risks exist only in a person’s mind.
One of the keys to successful human relations is overcoming the fear of imagined risks. To do this, stop using negative self-talk and replace it with positive self-talk. Positive self-talk seeks to bring the positive out of the negative to help you do better, or just keep moving forward. The practice of positive self-talk is the process that allows you to discover the obscured optimism, hope, and joy.
Grade: 9
Subject: biology
Chapter: imagined risks
Keywords: imagined risks, positive self-talk, harmless, positive reinforcement, self-talk
b. mostly inorganic while the whole cell is mostly organic.
c. mostly protein while the whole cell is mostly nucleic acid.
d. is high in potassium while the whole cell is high in sodium.
Answer: The correct answer is A). Is mostly lipid while the whole cell is mostly aqueous .
This is because the cell membrane is majorly composed of the phospholipid bilayer. It is a protective covering present in all the cells.
On the other hand, the whole cell other than the cell membrane is mostly aqueous. It contains 80% of water, therefore considered as aqueous. It is also referred to as cytoplasm of the cell. Most of the cellular activity including metabolic processes and signaling pathways occur within the cytoplasm of the cell.
The composition of a cell differs from that of the cell membrane in that the cell membrane is mostly lipid while the whole cell is mostly aqueous.
Further Explanation:
Cell is surrounded by the cell membrane made up of lipid bilayer. The fluid mosaic model states that the cell membrane is made up of two layers of lipid and the proteins present externally, internally and in the transmembrane.
The lipid molecules are amphipathic having polar head and non-polar tail. The fatty acid present in the lipid may be saturated or unsaturated. Saturated fatty acid has presence of single bond while unsaturated one has double or triple bond present in them.
The protein present in the lipid bilayer can act as the channel molecule or receptor molecules.
The cell contains various cell organelles such as nucleus, mitochondria, chloroplast, ribosome, endoplasmic reticulum, Golgi bodies. Mostly the cell contains fluid inside it called as cytoplasm. The cell organelles are suspended in the aqueous solution of the cytoplasm. Various chemical reactions occurs in the cytoplasm of the cell.
Learn more:
1. Learn more about cellular respiration brainly.com/question/543244
2. Learn more about cell structure brainly.com/question/5923583
3. Learn more about cell cycle brainly.com/question/1600165
Answer Detail:
Grade: College biology
Subject: Biology
Chapter: Cellular organization
Keywords:
Lipid bilayer, fluid mosaic model , cell membrane , proteins, transmembrane, polar head , non-polar tail, fatty acid , saturated, unsaturated, channel molecule , receptor molecules, cell organelles, nucleus, mitochondria, chloroplast, ribosome, endoplasmic reticulum, Golgi bodies, cytoplasm.
b. phospholipids
c. amino acids
d. proteins