Air masses interact and change over time in a variety of ways. The interactions between air masses form the basis of weather systems and global weather patterns.
Air masses move in response to pressure differences, temperature differences, and other factors. As air masses interact, they can change in temperature, humidity, and other characteristics. Air masses can also mix, creating fronts and other weather systems. As air masses move, they can bring wet or dry conditions, warm or cold temperatures, and other changes in the atmosphere.
Over time, these interactions can create longer-term shifts in global weather patterns, such as El Niño or La Niña. By studying how air masses interact and change over time, meteorologists can better understand and predict global weather patterns.
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The photo shows a student using email.
What is the main need or want this wave technology meets?
A. To hear and see others in real time
B. To efficiently communicate with others
c. To speak with and see others who are far away
O D. To efficiently store and share music with others
Answer:
B. To efficiently communicate with others
Explanation:
picture
Answer:
B
Explanation:
A lab worker examines a slide of human chromosomes. After sorting and counting the chromosomes, she determines that they come from a female. How did she make this conclusion?
Answer:
Explanation:
A female human has 46 chromosomes, which are arranged in 23 pairs. One chromosome of each pair is inherited from the mother and the other is inherited from the father.
In a female, one of the chromosomes in each pair is an X chromosome, while the other chromosome can be either an X chromosome or a Y chromosome. This results in a total of two X chromosomes in a female and one X and one Y chromosome in a male.
Therefore, if the lab worker counted 23 pairs of chromosomes and observed two X chromosomes, she could conclude that the chromosomes come from a female.
A learner was walking along a road when she saw an object under a tree. When the learner touched the object, it rolled over and divided into two . Which characteristics of living organisms did the object show?
Answer:
growth, reproduction, and sensitivity
Explanation:
The characteristics of living organisms displayed by the object are growth, reproduction, and sensitivity.
When the organism reacted by rolling over in response to touch from the learner, it was displaying sensitivity. Sensitivity has to do with the ability of living organisms to be sensitive to things such as touches.
When the object divided, it was displaying growth and reproduction that are characteristics of living organisms. Growth can be defined in this case as an irreversible increase in the number of cells and reproduction can be defined as the production of new individuals.
By dividing into 2, the object has increased its number of cells and has also produced a new individual.
Hence, the characteristics of living organisms shown by the object are growth, reproduction, and sensitivity
Place the steps of protein synthesis in order
Electron Transport Chain
Fill in The Blanks
Answer: #1. The Electron Transport Chain
#2. ions(from NADH and FADH2) across the inner membrane, from the matrix into the intermembrane space
this is what I got so far :) !
Explanation:
please answer fast everything is due today
The egg cell is round with a haploid nucleus
brain-heart infusion broth is commonly used in microbiology laboratories for propagation of many different kinds of bacteria, including staphylococcus aureus. check all of the following terms that can be used to describe brain-heart infusion broth.
Statements describing heart-brain infusions are complex, fraudulent, synthetic, and differential
Brain heart infusion (BHI) is a medium that hides nutrients for the growth of microorganisms such as streptococcal, pneumococcal, and meningococcal cultures. Brain heart infusion usefully uses Blood Agar for culturing fastidious varieties and determining the hemolytic ability of an organism.
Modern brain-heart infusions typically use infusions from pork brain and liver rather than calf brain tissue and use disodium phosphate as a buffer rather than calcium carbonate. The purpose of its use is to maintain the stability of its morphological, cultural, biochemical, serological and pathogenic properties. Bacterial maintenance is carried out for bacteria that will be stored for a long time to be used for comparison or checking disc drugs. Brain Heart Infusion has complex, fraudulent, synthetic, and differential features.
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In a multicellular organism, it is cell-to-cell communication that allows the trillions of cells to coordinate activities, including during development and regeneration. The three stages of cellular communication include: reception, transduction, and response. This study determined the key steps of a cell communication pathway involved in salamander limb regeneration. After amputation of a front salamander limb, the severed axons retract within the stump and grow back along the nerve sheath. To elucidate the molecular mechanisms, the researchers set up a series of controlled experiments to determine the events in salamander limb regeneration. Drag the general cell communication steps of the regeneration experiment into the correct order.
The process of amputation will interfere with the ability of cells to communicate with each other.
What is cell to cell communication?The body of whole multicellular organisms have a lot of cells which are differentiated hence they perform diverse functions. The essence of cell differentiation is to allow different cells to perform different functions.
The question is incomplete hence we can not give here the process of cell regeneration. However, we know that the process of amputation will interfere with the ability of cells to communicate with each other.
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What kind of reproduction dose most plants go through?
(i know the answer but do you)
Answer:
asexual
Explanation:
Use your periodic table of elements. Take any element from the first column, except for hydrogen and lithium, and answer the following questions:
What is the element's name and symbol?
Is it a metal, nonmetal, or metalloid?
Which family does it belong to?
How many protons, neutrons, and electrons does its neutral atom have?
This is science
Explanation:
Potassium (K)
Metal.
19 Protons, 20 Neutrons, 19 electrons
Alkali Metals
Sodium is an element in the periodic table which is a metal as it has a net positive charge. The valency of this element is +1. It can donate an electron to achieve the octet and hence stability.
What are chemical elements?
Chemical elements are the substances which cannot be decomposed into further simpler substances by any ordinary chemical process. These are presented in the periodic table on the basis of their atomic number.
Sodium is an element which belongs to the alkali metals family. Sodium element can be denoted by the symbol Na. The element is a metal as it has a net positive charge. It can donate one electron from its valency shell to achieve the octet which gives it stability. Therefore, the valency of the element is 1. The element has 11 protons, 11 neutrons and 11 electrons.
This can be represented as: ¹¹Na₂₂
where, Na is the symbol of sodium
11 is the atomic number = number of protons in the element
22 is the atomic mass = number of protons+ number of neutrons in the element.
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Peptidoglycan is present in the cell walls of which of the following groups of organisms? you can select more than one if more than one applies)
-plants -archaea
-protists
-eubacteria
Peptidoglycan is present in the cell walls of eubacteria. Peptidoglycan is a polymer that forms the major component of bacterial cell walls in eubacteria, as well as in some archaea.
Here, the correct answer is "eubacteria.
Peptidoglycan is a network of polysaccharide chains that are cross-linked by short peptide fragments. It is a polymer that forms the major component of bacterial cell walls in eubacteria and some archaea. These chains are primarily composed of two alternating amino sugars, namely N-acetylglucosamine (GlcNAc) and N-acetylmuramic acid (MurNAc), which are linked by β(1→4) glycosidic bonds.
Peptidoglycan is a major constituent of bacterial cell walls and is responsible for their rigidity. It is critical for the survival of the bacteria because it protects them from changes in osmotic pressure, maintains their shape and structural integrity, and mediates interactions with other microorganisms and their hosts.
Therefore, correct option is eubacteria.
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what three structures make up the filtration membrane that substances pass through as they move from the glomerular capillaries to the glomerular capsule?
The three structures that make up the filtration membrane in the glomerulus are the fenestrated endothelium, basement membrane, and podocytes.
The filtration membrane, situated between the glomerular capillaries and the glomerular capsule, consists of three structures.
First, there is the fenestrated endothelium, which forms the innermost layer.
This endothelium contains small pores or fenestrations that allow the passage of small molecules such as water, ions, and nutrients, while preventing the filtration of larger proteins and blood cells.
Next, there is the basement membrane, a dense extracellular matrix layer sandwiched between the endothelium and the outermost layer.
It acts as a physical barrier and serves as a filter, further restricting the passage of larger substances.
The basement membrane is composed of negatively charged proteins, contributing to the selective filtration of molecules based on their charge and size.
Finally, the outermost layer is formed by specialized cells called podocytes, which have foot-like extensions called pedicels.
These pedicels interdigitate to form filtration slits, creating additional filtration barriers.
Podocytes play a crucial role in regulating the permeability of the filtration membrane and ensuring efficient filtration of substances while maintaining the integrity of the glomerular capillaries.
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The cell's metabolic reactions involve the participation of ______ that lower the activation energy needed for the initiation of a reaction
The cell's metabolic reactions involve the participation of enzymes that lower the activation energy needed for the initiation of a reaction.
Enzymes are biological catalysts that speed up chemical reactions by providing an alternative pathway with a lower activation energy. Activation energy is the energy required to start a chemical reaction and break the existing chemical bonds.
By binding to the reactant molecules, enzymes create an environment that promotes the formation of the transition state, which is a high-energy intermediate that leads to product formation.
This allows the reaction to proceed more rapidly, making it easier for the reactant molecules to reach the transition state and undergo the necessary chemical transformations.
Ultimately, enzymes play a crucial role in the cell's metabolic processes by facilitating the conversion of substrates into products with greater efficiency and specificity.
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Which form of natural selection does the graph represent? A graph has trait value on the horizontal axis and proportion of individuals on the vertical axis. The original population increases to a maximum point at the center, and then decreases. The population after selection increases, decreases, increases, and then decreases again. The maximum of the original population is the minimum of the population after selection. directional selection disruptive selection sexual selection stabilizing selection
Answer:
directional selection
Explanation:
Directional selection is the most common type of natural selection and occurs when some individuals with characteristics favorable to the conditions of the environment in which they live, have survival advantages over individuals who do not have this advantage, who end up dying.
Imagine, for example, a graph showing the directional selection in the same species of moths. Moths of the same species have white and brown collations, in summer, brown moths can camouflage themselves on tree trunks, while white moths cannot and are easily captured by their predators, which means that the amount of white moths decrease. In this graph, the population of white moths would be at a minimum, at the same time that the population of brown moths would be at maximum.
However, with the arrival of the reverse, snow begins to cover the trees, allowing white moths to camouflage themselves more easily. The brown moths, then, are very exposed to predators, causing their population to reach the minimum while the population of white moths reaches the maximum.
Answer: Graph A
Explanation:
Why is it important for an organism to have high fitness (the ability to survive and make a lot of offspring)?
Answer:
An organism with high fitness has adaptations that are well suited to their environment allowing them survive and reproduce. An organism with low fitness has characteristics that are not well suited to their environment meaning they almost certainly die without reproducing.
Explanation:
Can someone help me please, i cant find the answer to this question anywhere.
Answer:
light dependent reaction
What is the difference between a conclusion, a theory, and a scientific law
Answer:
Explanation:
As previously stated, a scientific theory is a well-substantiated explanation of some aspect of the natural world. A scientific law is simply an observation of the phenomenon that the theory attempts to explain.
Answer: A conclusion, is the end results of a scientific study. something that was discovered due to the data collected. A scientific law, is proven factual evidence, like Newtons universal law of Gravitation, it has been proven time and time again, and is fact. Theory, is not yet proven fact, that does however have evidence and idea, but not fully supported, and is not yet dis-proven either. Hope this helps ^_^
(i also left it in the comments since there were no answer slots open at that time)
Imagine that a newly discovered species of fish normally has three eyes (E), but the rare mutation (ee) causes "diopthalmic" fish with two eyes to be born. In addition, eye color in these fish is inherited similarly to humans, with black eyes (B) being dominant to blue (bb). Assuming these two genes are carried on separate chromosomes, what must the genotypes of two black-eyed, three-eyed parents be if they have a blue-eyed, diopthalmic son
Answer:
Heterozygous with BbEe and BbEe
Explanation:
The genotypes of the two parents must be heterozygous.
From the illustration, E codes for three eyes while ee causes diopthalmic. B causes black eye while bb codes for blue eye.
Black eye genotypes could be BB or Bb.
Three eye genotype could be EE or ee.
A black eyed, three-eyed couple produced blue-eyed (bb), diopthalmic son (ee). From the law of inheritance, the son inheritance the alleles for each trait from the two parents, one from each. Hence, it means that each of the parent posses recessive alleles in their genotypes, that is they are heterozygous for the two traits.
BbEe x BbEe
9 BBEE black-eyed, three-eyed
3 B_ee Black-eyed, diopthalmic
3 bbEe Blue-eyed, three-eyed
1 bbee blue-eyed, diopthalmic
I need help please I wanna pass this class
Answer:
Explanation:
Answer: I mean the instructions are pretty clear and you still ask for help?
Which element is found in nucleic acids but not in amino acids? carbon hydrogen nitrogen phosphorus
Answer:
Phosphorous
Explanation:
I'm pretty sure this is correct:) hope it helps!
The element that makes the difference in the amino acids and nucleic acids is phosphorous, i.e., option D.
What is an amino acid?Amino acids are the smallest unit of protein or its building block.
It is made up of an amine group and a carboxyl group and also a varying side chain.
On the other hand, nucleic acid has carbon, hydrogen, and also phosphorous in its structure.
Thus, the correct option is D.
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An animal that lives by eating other animals is called what
Answer:
carnivorous.
hope it helps
thanks
Help pleaseeeeee I’ll mark brainliest
Answer:
im 100% sure d
Explanation:
i've thinking because of how many small atoms easier it is to burn
People with ________ experience complete cessation of respiratory activity for brief periods of time yet do not have frequent awakenings and do not tend to feel tired during the day.
People with central sleep apnea experience a complete cessation of respiratory activity for brief periods of time yet do not have frequent awakenings and do not tend to feel tired during the day.
What is sleep apnea?Breathing regularly stops and starts during sleep, which is known as sleep apnea. People may have sleep apnea if they snore loudly and still feel exhausted after a full night's sleep.
These are the primary forms of sleep apnea:
The more prevalent type of obstructive sleep apnea happens when throat muscles relax.
Central sleep apnea, which develops when your brain fails to properly activate the breathing muscles,
When a person has both central and obstructive sleep apnea, it is known as complex sleep apnea syndrome, also called treatment-emergent sleep apnea.
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why is it beneficial for female peacocks to choose to mate with a male peacock with a full colorful trains?
URGENT
Answer:
Peahens often choose males for the quality of their trains -- the quantity, size, and distribution of the colorful eyespots. Experiments show that offspring of males with more eyespots are bigger at birth and better at surviving in the wild than offspring of birds with fewer eyespots.
Identify the characteristic of life for the following statement below1. ____________________”My friend got 3 inches taller in one summer”
In this statement, the characteristic of life is growth, i.e the increase in number and size of cells.
I need help on these questions can someone help me ???
If an object with a selectively permeable membrane is placed into a hypertonic solution, and the object has lower levels of solute, water will tend to move out of the object into the surrounding solution to achieve an equilibrium of solute concentrations on both sides of the membrane. This process is known as osmosis.
As water moves out of the object, the object will shrink or become smaller in size. This is because the concentration of solutes within the object increases as water moves out, causing the object to lose its shape and structure.
For example, if a red blood cell is placed in a hypertonic solution with a higher concentration of solutes than the cell, water will move out of the cell through the selectively permeable membrane and into the surrounding solution. As a result, the cell will shrink.
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Helpppppppppp plzzzzzzz
Answer:
b
Explanation:
i think it's b cause meiosis gives four unique daughter cells, each of which has half the number of chromosomes as the parent cell.
Answer:
B - are different from each other
Explanation:
meiosis produces four genetically different haploid cells. they have half the number of chromosomes.
Why might an athlete have hematocrit of 35 nd be classified as anemic? (select all that could apply)
Normal Range Variation, Blood loss, and Iron Deficiency were some of the reasons for an athlete to have a Hematocrit of 35.
Hematocrit values in the body depend upon age, altitude, and climatic conditions. The normal level of Hematocrit present in the body is 35 in both men and women. A slight increase or decrease in this Hematocrit can cause anemia in the body.
The loss of blood can also occur for an athlete with a hematocrit value higher than 35. This might be an acute bleeding but the major blood loss may be from gastrointestinal bleeding. Iron deficiency is the most common cause of anemia.
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The complete question is:
Why reason might an athlete have a hematocrit of 35 and be classified as anemic?
A bicycle rider increases his speed from 5 m/s to 15 m/s in 10 seconds.
The cyclist accelerates at a rate of 1 m/s^2.
What is speed?Speed is a unit used to describe how quickly an object is moving in relation to a fixed point. The distance an object moves in a unit of time, commonly measured in meters per second (m/s) or kilometers per hour (km/h), is referred to as a scalar quantity.
How do you determine it?This issue can be resolved using the acceleration formula. This is the equation for acceleration (a):
a=(vf - vi) / t
where t is the amount of time required, vi is the initial velocity, and vf is the final velocity.
In this instance, the time taken (t) is 10 seconds, the final velocity (vf) is 15 m/s, and the initial velocity (vi) is 5 m/s. When these values are added to the formula, we obtain:
(15 m/s - 5 m/s) / 10 s =a
a = 1 m/s^2
The cyclist's acceleration is 1 m/s^2.
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Organisms including plants, need food to survive. Which items from the list below do you think plants would use as food? Explain how you decided if something on the list is food for plants. sunlight soil plant food from a garden store water sugar leaves minerals oxygen fertilizer chlorophyll carbon dioxide vitamins
Answer:
Plants, like all living things, have basic needs that must be met for them to survive. These needs include: light, air, water, a source of nutrition, space to live and grow and optimal temperature.
Explanation:
Hope it help's