The Earth's orbit around the sun, or the ecliptic plane, is where the Moon crosses at a "node." The moon's orbit only crosses Earth's solar orbit every six months because the moon's orbital plane around the Earth is inclined by 5 degrees with regard to Earth's orbit around the sun (approximately).
When a moon or planet blocks the Sun's light, an eclipse occurs. The two types of eclipses that can occur on Earth are solar eclipses and lunar eclipses.
When the Moon crosses a node on the nodal line connecting the Earth and the Sun, a solar eclipse takes place.
The moon touches the ecliptic plane when the Earth is between it and the sun, which results in a lunar eclipse.
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which of the following is not a requirement to be considered an organism shelter, parents, food, or DNA”
Answer: Parents
Explanation: not every organism needs parents to survive
what is the total surface area of air sac in m2 in a human
Answer:
100 m2
Explanation:
Sucrose is a _____.
a. polysaccharide
b. starch
c. monosaccharide
d. disaccharide
Answer:
Sucrose is a disaccharide
Explanation:
Sucrose, a disaccharide, is a sugar composed of glucose and fructose subunits. It is produced naturally in plants and is the main constituent of white sugar. It has the molecular formula C. 12H. 22O.
Sucrose is a disaccharide. Therefore, option D is correct.
What are disaccharides?When two monosaccharides (simple sugars) are linked together by glycosidic linkage, a disaccharide (also known as a double sugar) is created. Disaccharides are soluble in water.
Disaccharides, like other carbohydrates, are made up of hydrogen, carbon, and oxygen. The ratio of hydrogen to oxygen atoms in disaccharides is frequently 2:1, which is why they are also known as carbon hydrates. Disaccharides have the typical chemical formula C12H22O11.
Sucrose, lactose, and maltose are three examples that are typical. Sucrose, which is formed following photosynthesis in green plants, consists of one molecule of glucose and one of fructose bonded via an α-,β-linkage. Thus, option D is correct.
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Use equation 1 from the section to calculate the PCV in each centrifuge tube from the blood sample your group was assigned to test . Record each PCV in the data table below
The packed cell volume is checked in cases where there are symptoms of anemia or erythrocytosis.
The PCV which is also known as packed cell volume is equal to the volume of packed red blood cells which is divided by the total volume of the given blood sample.
GIVEN - Red blood cell volumes are -
5.5 , 5.0 , 5.0 , 5.0 , 4.0
Total blood mixture volume is -
10.0, 10.5 , 10.0 , 10.5 , 9.5
SOLUTION - To calculate the packed cell volume -
5.5 / 10.0 = 0.55
5.0 / 10.5 = 0.47
5.0 / 10.0 = 0.5
5.0 / 10.5 = 0.47
4.0 / 9.5 = 0.42
The main function of packed cell volume is to calculate the red blood cell mass because any increase in the red blood cell mass will be equal to erythrocytosis which means the count of red blood cells is more than the specific sex normal range which is because of plasma volume reduction and also if it decreases then it will lead to anemia because it will have lesser number of red blood cell count and for determining anemia or erythrocytosis the blood test is advised and the reason behind this is cell destruction, blood loss, or failure of bone marrow production and the other name for packed cell volume is hematocrit or volume of packed red cells or erythrocyte volume fraction.
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What statement is true about changes in our environment?
a. Some things change quickly.
b. We can’t observe changes.
c. Non-living things do not change.
d. Living things do not change.
Answer:
A some things change quickly
Two single-celled organisms are shown.
Which statements accurately compare the two organisms?
Select TWO correct answers.
Answer:
Explanation:
The first image is a eukaryote cell since it has a nucleus. The second is a prokaryote cell because it does not have a nucleus, so it is a germ or any other organism that does not contain a nucleus.
One of the single-celled organisms is a eukaryote and the other is a prokaryote.
What are prokaryotes and eukaryotes?Prokaryotes and eukaryotes are the two categories into which all cells on Earth may be categorized. Prokaryotes can be either bacteria or archaea, and are always unicellular creatures.
Eukaryotes are made up of eukaryotic cells, which can be unicellular or multicellular and include plants, animals, fungi, and protists.
Prokaryotic cells are substantially smaller and less complicated than eukaryotic cells, which also lack a number of cell structures and organelles.
Both prokaryotes and eukaryotes are different sorts of cells; in fact, they are the only two. Prokaryotic species, which might be either bacteria or archaea, are invariably unicellular.
Therefore, the first organism is a eukaryote and the second is a prokaryote.
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Destruction of the rain forests will lead to global warming because:
Convert 286,330,760,848.37 into scientific notation
Answer:
m x 10n, 1 ≤ m < 10 and n not for sure though
Explanation:
1. The cell membrane plays an essential role in the life of the cell. How does the cell membrane help maintain the health of the
cell?
The cell membrane can govern the processes of waste removal and bringing in necessary supplies by regulating what enters and leaves the cell.
Cells produce the waste molecule carbon dioxide during the process of cellular respiration. Due to the high concentration of carbon dioxide within the cell, it diffuses out of the cell and into the bloodstream (lower concentration). Carbon dioxide is transported by the blood to the lungs, where it can enter the air sacs and be expelled.
The cells require additional ingredients. Glucose is required by cells to supply energy. Through channel proteins in the membrane, glucose can pass from the bloodstream, where it is more concentrated, into cells, where it is less concentrated. This process is called facilitated diffusion.
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Amelia’s doctor says that she has a tapeworm. Which type of medicine is prescribed to Amelia?
Answer:
Antiparasitic srry if its wrong
Answer:
Nitazoxanide
Explanation:
PLEASE ANWSER ASAP Television crime shows often paint a misleading picture of how forensic science works. What is something that happens on a television crime show that is NOT likely to happen in real life? A. Evidence is analyzed very quickly and accurately. B. Scientists spend time working in actual labs. C. Individual scientists stay mainly in one area of a lab. D. Forensic scientists are asked to testify in court cases.
The one that is not likely to happen in real life is that evidence is analyzed very quickly and accurately. The correct option is A.
What is forensic science?Forensic science is an important component of the criminal justice system.
Forensic scientists examine and analyze evidence from crime scenes and other locations to produce objective findings.
These can aid in the investigation and prosecution of criminal perpetrators or clear an innocent person of suspicion.
While television shows frequently depict CSI agents finding a bodily fluid, such as blood, testing it, and then locating a suspect in a database in a matter of (apparently) hours, in reality, the process is much slower.
Thus, the correct option is A.
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Correctly identify the following labels on the plant and animal cells.
Answer:
А Plasma membrane (Cell membrane)
B Cell wall
C Cytoplasm
D Vacuole
E Nucleus
F Chloroplast
H Mitochondria
G No idea sorry
I endoplasmic reticulum
J Golgi apparatus
Explanation:
Sorry for G ask your teacher but this look like nothing
Where does bone formation occur during endochondral ossification? multiple choice
a. hyaline cartilage model
b. fibrous membranous sheet
c. adipose tissue
d. fibrocartilage model
e. synovial membrane
Bone formation by endochondral ossification occurs in a hyaline cartilaginous mold. Therefore, we can confirm that the option a is the correct choice.
What is endochondral ossification?Endochondral ossification is a process in which bone formation occurs from a cartilage mold, this process occurs in embryonic development where cartilage tissue is first formed as a mold and then it calcifies. This process occurs from the inside to the outside. Endochondral ossification is important for the formation of long bones, vertebrae, pelvis, and the bones at the base of the skull.
Therefore, we can confirm that bone formation by endochondral ossification occurs in a hyaline cartilaginous mold.
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Which one should I choose? I’m not sure I’m correct! And be fast cuz its due in 15 mins
Answer: they release it into the atmosphere and soil
Explanation:
When plants die, the carbon goes into the soil, and microbes can release the carbon back into the atmosphere through decomposition.
Answer:
The answer is B
Explanation:
The answer is B because as the plants photosynthesize they absorb carbon dioxide from the atmosphere. when the plants die, carbon will go into the soil, and microbes will release the carbon back into the atmosphere through the decomposition stage.
PLEASE HELP ME!
Of the five characteristics of living things, which one is required for the species to survive but does not have to apply to an individual?
response to the environment
use of energy to function
reproduction
growth and change over a life cycle
Answer:
I think its 'growth and change over a life cycle', im not the best at biology :/
What organelle of the endomembrane system breaks down debris, food, and old cell parts with special dismantling enzymes?
Answer:
so your answer is this Lysosomes .about your answer In animal cells, the lysosomes are the cell's “garbage disposal.” Digestive enzymes within the lysosomes aid the breakdown of proteins, polysaccharides, lipids, nucleic acids, and even worn-out organelles. how it is helpful
One hundred or more amino acids linked through dehydration synthesis produce a molecule called a ______.
One hundred or more amino acids linked through dehydration synthesis produce a molecule called a peptide bond. Amino acids be part of through dehydration synthesis to shape protein polymers .
A peptide bond is shaped with the aid of using a dehydration synthesis or response at a molecular level. This response is likewise referred to as a condensation response which commonly takes place among amino acids.When linked collectively with the aid of using a sequence of peptide bonds, amino acids shape a polypeptide, every other phrase for protein.
A peptide bond is a chemical bond shaped among molecules whilst the carboxyl organization of 1 molecule reacts with the amino organization of the alternative molecule, freeing a molecule of water (H2O). This is a dehydration synthesis response , and commonly takes place among amino acids.
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Consider the sporophytes and gametophytes of mosses and fems:
A) In which group does the sporophyte become independent and photosynthetic?
B) Which forms required liquid water in order to reproduce?
C) Which are able to spread farther, their spores or their gametes? Explain
The answers include the following:
The sporophyte is independent and photosynthetic in the group of vascular plants.The sporophytes require liquid water in order to reproduce. Spores are able to spread farther because they are carried easily by wind and other external factors.What is Sporophyte?
This is referred to as the diploid stage in the life cycle of some plants such as algae and is a non sexual reproduction which involves the use of spores.
These spores are usually dispersed by agents such as water and wind which is why they are able to cover a very large distance and then grow in such areas.
Sporophyte become independent and photosynthetic in the group of vascular plants only and are absent in the non vascular group of plants which is therefore the correct choice.
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30. there are about
common amino acids that can make what of proteins.
There are about common amino acids that can make Roughly 500 amino acids have been identified in nature, but just 20 amino acids make up the proteins found in the human body.
All Two distinct amino acid groups are created from the 20 amino acids. The 20 amino acids are made up of both essential and non-essential amino acids. Nine of the 20 amino acids are considered to be necessary, whereas the remaining 13 are non-essential. Let's examine each type of amino acid in light of its classification.Different amino acids are the primary building blocks of proteins, as is widely recognised. A characteristic component of the human body and diet are amino acids. It is crucial to comprehend how many amino acids make up proteins because they are extremely critical for the human body to function properly. Let's figure out how many amino acids there are in total to build proteins.To learn more about amino acids.
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(Brainliest) please help!!!
Which of the following statements is true concerning diabetes?
A. Type 1 diabetes develops with the body doesn't make insulin or use it properly in
the body
B. Type 2 diabetes is often linked to obesity and presents itself when body cells
stop responding properly to insulin
C. People who have diabetes can usually manage and control it with a healthy diet,
exercise and insulin injections
D. All the above
Answer: D. All the above
People of all ages can develop type 1 diabetes. If you have type 1 diabetes, your pancreas doesn't make insulin or makes very little insulin. Insulin helps blood sugar enter the cells in your body for use as energy. Without insulin, blood sugar can't get into cells and builds up in the bloodstream.
Type 2 diabetes occurs when the body doesn't produce enough insulin to function properly, or the body's cells don't react to insulin. This means glucose stays in the blood and isn't used as fuel for energy. Type 2 diabetes is often associated with obesity and tends to be diagnosed in older people.
What structure is responsible for increasing surface area to provide for the strength of attachment between the epidermis and dermis?.
Dermal papillae increase the strength of the connection between the epidermis and dermis.
Which form of collagen joins the dermis to the basal layer of the epidermis?The innermost layer of the epidermis, the stratum basale (also known as the stratum germinativum), connects it to the basal lamina, which is where the layers of the dermis are located. The basement membrane, a network of intertwined collagen fibers, which connects the cells of the stratum basale to the dermis.
The epidermis of thick skin has five layers stratum basale, stratum spinosum, stratum granulsum, stratum lucidum and stratum corneum.
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Evaluate the statement, “Humans are one of the most invasive species to occupy Earth.” Justify your response.
Mixtures can be formed from elements in_______________.
Answer:
Any substance that contains only one kind of an atom
Explanation:
HELP PLEASE WILL GIVE U 5 STARS
A research study on twins suggests that autism spectrum disorder (ASD) has a heritability estimate (h2) of 85%.
(a) First, how should we interpret this result? (1 pt)
(b) Second, list at least one limitation of heritability estimates? (1 pt, bullet point OK)
imasheva ag, bosenko dv, et al. (1999) the effect of three ecological stresses on variation of morphological traits in drosophila melanogaster. russian journal of genetics, 35(10), 1188–1193.
The phenotypic and genetic variance in morphological features (thorax length, wing length, number of sternopleural and abdominal bristles, and number of arista branches) was investigated in Drosophila melanogaster in relation to temperature, diet, and density stressors.
Additionally, the impact of stress on the stability of bilateral characteristics' fluctuation asymmetries was examined.
It has been demonstrated that all pressures lead to an increase in phenotypic variance and variable bilateral trait asymmetry. Under stressful circumstances, genetic diversity of morphometric features evaluated using the isofemale line approach was greater than under regular circumstances.
The impact of biotic and abiotic pressures on genetic and phenotypic diversity was comparable. Stress typically had a greater impact on morphometric trait variability than it did on meristic trait variability.
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Our blood is mostly water.blood has the most important job of circulating nutrients and ions every cell in our body. the only reason blood is able to do this is because
Examine the illustration.
Which structure in the cell contains the cell's genetic
information?
•
A
•
B
C
D
Answer:
B
Explanation:
nucleus is the region of the cell that contains genetic information in the form of DNA.
Hi. Help with question number 1.
The patterns of motion of two different objects include the following: circular and periodic motions.
What is motion?Motion is defined as the change in position of an object either at a place or from one place to another.
Two or more different objects can exhibit different patterns of motion which include the following:
Circular motion: This is defined as the movement of an object along a circular pathway.
Examples of objects in a circular motion include the following:
Planets Revolving Around the Sun. The sun rotates about its own axis while the planets revolves round about it.Satellites Orbiting Around Planets.Stone Tied to a String.Periodic motions: This is defined as the motion of a object which repeats itself after a certain period of time. A typical example is the motion of the simple pendulum.
In the two types of motions discussed, it would be observed that two objects has different patterns of motion.
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Shearing occurs when crustal rock is pushed in two opposite, horizontal directions
true <-- maybe true
false
Answer:
yes this is true, this process is also known as strike slip faults
(sry it took me forever to answer lol)
If you hold a salty cracker in your mouth long enough, it will begin to taste sweet. What is responsible for this change in taste?.
The transformation of starch into sugar starts withinside the mouth. Amylase is an enzyme in saliva with a view to ruin-down starch to sugar. If an man or woman chews on a saltine cracker for a while, it'll start to flavor candy due to the fact the enzymes in saliva ruin down the starch into glucose sugar
Nerves located alongside the pathway from the mouth to the mind are liable for flavor bud characteristic and the notion of flavor. Nerve harm everywhere alongside this pathway, whether or not from damage or illness, can make contributions to a alternate to your flavor buds
Within the saliva, there's an enzyme referred to as amylase that breaks down carbs. Specifically, it breaks down starch molecules and turns them into easy sugars. If a cracker tastes candy, this is due to the fact the amylase is breaking down the carbs.
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