The diagram above shows the valence electrons in one atom of an element. If two atoms of this element joined together to create a molecule, they...
Group of answer choices
would form a triple covalent bond.
would form a single covalent bond.
would for a double covalent bond.
would form a quadruple covalent bond.
Answers
Answer:
would form a double covalent bond.
Explanation:
I did the test.
Related Questions
visible characteristics of snake
Answers
Answer:
The jaws of snakes are loosely jointed and extremely flexible. There are no ears or movable eyelids; the eyes are covered by transparent spectacles, or ocular scales.
Explanation:
Snakes have good vision.There are no ears or movable eyelids; the eyes are covered by transparent spectacles, or ocular scales.
Four groups of scientists, in different parts of the world, are dating fossils found in a rock layer of the same geologic time period. To validate the age of their fossils, the results of their tests would need to be
Answers
Answer:
The options are
Complex
Identical
Inconsistent
Non-testable
The Answer is Identical
Explanation:
The groups of scientists in different parts of the world who are dating fossils found in a rock layer of the same geologic time period. The findings have to have some common characteristics which links it to being in the same geologic time period.
This however validates the fossils having to be identical to match those found in other parts of the world.
Answer:
identical
Explanation:
Someone made the claim "Marine species live in the water. Temperature doesn't matter to them." Give TWO pieces of evidence that would prove this claim false.
Answers
The pieces of evidence that would prove this claim false include:
Temperature affects the presence of dissolved oxygen in waterHigh temperature could lead to decreased activities of animals thereby reducing reproduction.What is Temperature?This is defined as the degree of hotness or coldness of a substance and is influenced by thermal energy.
High temperature will reduce the amount of oxygen in water and also decrease the activities of animals which is why it matters to them.
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What are alternate forms of genes found on chromosomes?
Answers
Answer:
Alternate forms of genes found on chromosomes are called Alleles
Explanation:
The farmer then crosses
two of the pink flower
plants from the above
cross. What will the
genotype and phenotype
ratios be in the offspring?
Complete the cross on the
right.
Answers
Why is evolution the most important idea in biology?
A.
because all living things are affected by it
B.
because so many people think it is true
C.
because there are so many different ideas about how it happens
D.
because it is what allows living things to survive
Answers
Evolution is the most important idea in biology because it is what allows living things to survive.
The process through which a species adapts with time in response to changes in their environment is known as evolution. Due to evolution, changes in the genetic material of a population can be observed, leading to altered genes, new traits and new species.
The organisms adapt to their changing environment in order to survive or increase survival chances. Evolution of life occurs to best fit in the environmental conditions, passing on the traits to their offspring.
Biological evolution affects every aspect of the organism's life like morphology, physiology, etc. and changes in the DNA material.
Similarities between biological molecules in the organisms shows shared evolutionary ancestry.
Hence the correct answer is option (d).
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What type of disorder is muscular dystrophy classified as? a. sex-linked recessive b. sex-linked dominant c. codominance d. pleiotropic e. polygenic inheritance
Answers
Muscular dystrophy is classified as a. sex-linked recessive disorder. The correct answer is A.
Muscular dystrophy is a genetic disorder characterized by progressive muscle weakness and degeneration. It is caused by mutations in genes that are involved in muscle structure and function. The most common form of muscular dystrophy is Duchenne muscular dystrophy (DMD), which primarily affects males.
The inheritance pattern of muscular dystrophy, specifically DMD, is sex-linked recessive. This means that the mutated gene responsible for the disorder is located on the X chromosome.
Since males have one X chromosome and females have two, males are more likely to be affected by the disorder. In the case of DMD, the mutated gene is typically inherited from the mother who carries the gene but may not exhibit symptoms herself due to the presence of a healthy copy of the gene on her other X chromosome.
The classification of muscular dystrophy as a sex-linked recessive disorder highlights the specific pattern of inheritance and the higher risk of males being affected by the condition.
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muscular dystrophy is classified as a sex-linked recessive disorder.
muscular dystrophy is a group of genetic disorders characterized by progressive muscle weakness and degeneration. It is caused by mutations in genes involved in muscle structure and function. There are several types of muscular dystrophy, each classified based on the specific gene affected and the mode of inheritance.
The most common type of muscular dystrophy is Duchenne muscular dystrophy (DMD), which is caused by a mutation in the dystrophin gene. DMD is inherited in an X-linked recessive manner, meaning it primarily affects males. This means that the gene mutation is located on the X chromosome, and males have only one X chromosome, making them more susceptible to the disorder.
Other types of muscular dystrophy include Becker muscular dystrophy (BMD), which is also caused by mutations in the dystrophin gene but has a milder phenotype, and limb-girdle muscular dystrophy (LGMD), which is caused by mutations in various genes and can be inherited in an autosomal recessive or autosomal dominant manner.
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the northern atlantic coast of the united states is the principal habitat for the american lobster (homarus americanus), a popular seafood item. however, populations of american lobster have been decreasing in southern new england. which reason might best explain this decline?
Answers
There are several reasons that might best explain the decline of American lobster populations. Some of the potential reasons include overfishing, climate change, habitat degradation.
Overfishing: The demand for American lobster as a popular seafood item has led to overfishing in southern New England, which has reduced the number of lobsters in the wild.Climate change: Rising ocean temperatures and changes in ocean chemistry caused by climate change have led to a decrease in the number of lobsters in southern New England.Disease: A disease known as "shell disease" has been found to be affecting lobsters in southern New England, which has led to a decrease in population.Habitat degradation: Pollution, destruction of coastal habitats and human development can also cause a decline of lobsters population.It is likely that a combination of these factors, rather than a single one, is leading to the decline of American lobster populations in southern New England.
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What are the products in the reaction in the introduction above? Select all that apply.
H 2O
catalase
H 2O 2
O 2
Answers
Answer:
H2O2 and H2O
Explanation:
Which lipid is most abundant in foods and in the body?.
Answers
The most abundant lipid in foods and body is : phospholipids
PhospholipidsPhospholipids are polar lipids consisting of two fatty acids , phosphate group and a unit of glycerol. They help in the regulation of cellular processes, also aids in drug delivery within the body.
Phospholipids are the most abundant lipids in the body due to its varying and very important function that it carries out in our bodies.
Hence we can conclude that the most abundant lipid in foods and body is phospholipids
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Temperat
ure
Lumino
sity
Spectral
Class
Absolute
Magnitud
e
6,000 k
10-1
20,000 k
10 6
20,000 k
102
2,500k
106
4000 K
102
Answers
Answer:
hmmm
Explanation:
hmmm
What are the 3 female parts of a flower?
Answers
A flower is the reproductive structure of a plant and it contains both male and female parts. The female parts of a flower are responsible for producing eggs, which can be fertilized by the male parts to produce seeds. The three main female parts of a flower are the stigma, style, and ovary.
The stigma is the topmost part of the pistil, which is the female reproductive structure of a flower. It is a sticky surface where pollen grains, the male reproductive cells, can land and germinate.
The style is the stem-like structure that connects the stigma to the ovary. It is a tube-like structure that guides the pollen tube down to the ovary.
The ovary is the base of the pistil and it contains the ovules, which are the structures that develop into seeds after fertilization. The ovary is typically located at the base of the pistil and is often swollen and colorful.
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A geriatric horse with a long, wavy hair coat that does not shed completely in the spring is likely to have
a) hypothyroidism
b) laminitis
c) Cushing disease
d) heaves
Answers
A geriatric horse with a long, wavy hair coat that does not shed completely in the spring is likely to have Cushing disease (also known as Pituitary Pars Intermedia Dysfunction or PPID). The answer is (C).
Cushing's Disease is a condition that affects horses and other animals, resulting in a variety of symptoms such as abnormal hair growth and weight loss, among others. It happens when the pituitary gland releases too much ACTH hormone, which causes the adrenal glands to overproduce cortisol. Horses with Cushing disease are more likely to get infections, and their immune system is less capable of fighting diseases, putting them at risk for secondary infections and other issues.
Symptoms of Cushing's Disease include Excessive thirst increased urination weight loss muscle loss Fatigue Lethargy Lack of appetite Coat changes, such as a long, wavy hair coat that doesn't shed completely in the springThus, the answer to your question is option C) Cushing disease.
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What mistake did people wanted to avoid repeating the after math of wwi and the treaty of versailles?
Answers
The aftermath of World War I and the Treaty of Versailles left many people with a sense of disillusionment and a desire to avoid making the same mistakes in the future.
One major mistake that people wanted to avoid repeating was the harsh and punitive treatment of defeated nations, as seen in the Treaty of Versailles. This approach was believed to have contributed to the rise of fascist regimes in Germany and Italy, which led to another devastating world war. Additionally, there was a recognition that the international community needed to work together more effectively to prevent future conflicts. This led to the creation of organizations like the League of Nations and a greater emphasis on diplomacy and cooperation between nations. Overall, the goal was to create a more peaceful and stable world, where nations could work together to address common challenges.
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Which of the following is true of asexual reproduction?A. Two parents are required for asexual reproduction.B. It results in genetically diverse offspring.C. It involves meiosis and fertilization,D. The offspring are clones of the parent.
Answers
The statement which is true regarding asexual reproduction is the last one, which says that the offspring are clones of the parents. This is because this process only takes part the genetic pool from one parent, not from two, as occurs in sexual reproduction. Here (in asexual reproduction), the process that occurs is mitosis, that is a replication of the parent information, and it's found in organisms like bacteria (by binary fission), and only in a few animals, as geckos, that reproduce themselves without a mate by parthenogenesis.
what is blood pressure answer choices
Answers
Blood pressure is the measure of the force of blood against the walls of blood vessels. Answer choices for blood pressure are High, Low, Normal, and Abnormal.
The circulatory system is responsible for moving blood, oxygen, and nutrients to all parts of the body. The heart pumps blood through the arteries, which are the blood vessels that carry blood away from the heart to the rest of the body.
As the heart beats, it creates pressure that pushes blood through the arteries. This pressure is known as blood pressure.
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When collecting blood from a patient with small fragile veins the appropriate needle gauge is?
Answers
When collecting blood from patients with small fragile veins, it is important to use an appropriate needle gauge to minimize discomfort and the risk of complications such as hematoma or vein collapse
Generally, a smaller gauge needle is recommended for patients with small veins.
The appropriate needle gauge for collecting blood from patients with small fragile veins is typically 23 or 25 gauge. These needles are relatively thin and have a smaller diameter, which can make it easier to access small veins without causing significant trauma to the surrounding tissue. In addition, smaller gauge needles can also be less painful for patients and may reduce the risk of complications such as bruising or swelling at the site of the venipuncture.
It is important to note that the appropriate needle gauge may vary depending on the patient's age, medical history, and other factors. In some cases, a larger or smaller needle may be necessary to ensure safe and effective blood collection. Healthcare professionals should always follow established protocols and guidelines for venipuncture and select the appropriate needle gauge based on individual patient needs and clinical judgment.
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The system of interconnected tubes involved in protein production is called the cytoskeleton rough endoplasmic reticulum. the lysosome basal bodies
Answers
The correct term for the system of interconnected tubes involved in protein production is the rough endoplasmic reticulum.
The cytoskeleton, on the other hand, refers to the network of protein fibers that provide structural support to the cell and help it maintain its shape. The rough endoplasmic reticulum is a component of the cytoplasmic system that is responsible for protein synthesis and modification. It is characterized by its ribosome-studded surface, which allows it to produce and process proteins. The lysosome and basal bodies are also important components of the cell, but they are not directly involved in protein production.
The lysosome is responsible for breaking down and recycling cellular waste, while the basal bodies are involved in the organization of microtubules, which are another type of cytoskeletal element.
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PLEASE ITS URGENT
Why did COVID-19 cause a pandemic that has continued to today?
Answers
Explanation:
Global Travel Urbanization Climate change Increased human-animal contactHealth work shortages.Use the words to fill in the blanks.
stomach, chewed, food, energy, rectum
liver, mouth, small, intestine, waste, saliva
large, intestine, digestion, system, swallow, tongue
pharynx, acid, absorbed, liquids, esophagus
All animals need to eat 1)_____ to get 2)______ to live. But in order to use this food, they have to break it down in a process called 3)________ . And so, all animals have a group of connected organs called the digestive 4) _______ .
In humans, the process of digestion begins in the 5) ________ where food is 6) _______ into small pieces by the teeth. The 7) ________ helps by moving these pieces around. The pieces by covered by 8) ________ or spit. The saliva makes the food slippery so that is easier to 9) _______. It also helps to break down the food.
One the food is swallow, it passes through the 10) _______ which is like a gate that sends food into the 11) ________ and air into lungs. The food travels down the esophagus and into the 12) ________. Once in the stomach the food is mixed with 13) ______ and crashed some more.
After spending some time in the stomach, the food is sent into the 14) ______ where nutrients are 15) _______. The 16) ______ helps by producing some digestive juices called bile. Next, the remaining food goes into the 17) ______ where the 18) _______ are absorbed.
The remaining food is called 19) _______ and it is pushed into the 20) _______ where it waits
before leaving the body.
Answers
2 energy
3 digestion
4 system
5 mouth
6 chewed
7 tongue
8 saliva
9 swallow
10 pharynx
11 esophagus
12 stomach
13 acid
14 small intestine
15 absorbed
16 liver
17 large intestine
18 liquids
19 waste
20 rectum
1. What is the ultimate cause of all evolution?
A. Sudden disasters caused by external forces
B. Infectious disease
C. Environmental change
D. Time
2. The first major anatomical difference that distinguishes our ancestors from those of the Chimpanzee and Gorilla is
A. Bipedalism
B. Bipartite behavior
C. Brachiation
D. Bulimia
3. An elderly human ancestor provides extra food for her grandchildren. This is an example of:
A. Environmental forcing
B. Natural selection
C. Kin selection
D. Selective breeding
4. Anthropology was developed as an American discipline primarily through the study of
A. Early hominins
B. Primates
C. Arrowheads
D. Native Americans
Answers
Answer:
1.is D
2.?
3.B
4?
sorry if it's wrong
A B C or D Answer Helpppppppppppppp
Answers
a (i think)
have a good day
The right lymphatic duct drains which areas?
(a) The right arm
(b) The right side of the trunk
(c) The right head and neck
(d) The right leg.
Answers
The right lymphatic duct is a vital component of the lymphatic system, responsible for draining lymph from specific regions of the body. It drains lymph from the following areas: (a) The right arm
(b) The right side of the trunk
(c) The right head and neck
However, it does not drain lymph from the right leg (d). Instead, lymph from the lower body, including the right leg, is drained by the thoracic duct. In summary, the right lymphatic duct plays a crucial role in maintaining fluid balance and immunity by draining lymph from the right arm, right side of the trunk, and right head and neck regions.
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Stronger earthquakes closer to the surface and gas
explosions
Answers
Answer:
Aftershocks are sometimes just as hazardous as the main quake itself. In fact, aftershocks may be so strong that they're stronger than the main quake. ... While foreshocks occur around the same time of the main quake, aftershocks may not occur until days or weeks later! The point at the Earth's surface directly above the focus is called the epicenter of the earthquake. At the epicenter, the strongest shaking occurs during an earthquake.
Hope this helps, have a great day/night, and stay safe!
What does the Mitosis Promoting Factor (MPF) Cyclin concentration decline during a typical cell cycle in clam eggs?
A. When the cell grows larger
B. When DNA is synthesized
C. When haploid gametes are produced
D. When the cell nucleus divides.
Answers
A painkiller used in the stomach has a carboxyl group determining whether the drug is absorbed or not because it becomes absorbed through the cell membrane only when this carboxyl group is unionized. If the pKa of this carboxyl group is pKa=4, and the ionized form is not absorbed, what would be the percentage of this drug being absorbed in the stomach where the pH is pH=2?
Answers
The percentage of the drug being absorbed in the stomach would be approximately 1% (0.01 * 100%).
To determine the percentage of the drug being absorbed in the stomach, we need to consider the pH of the stomach (pH=2) and the pKa of the carboxyl group (pKa=4). The drug will be absorbed only when the carboxyl group is in its unionized form.
Since the pH of the stomach (pH=2) is lower than the pKa of the carboxyl group (pKa=4), the stomach environment will favor the protonation of the carboxyl group. This means that the carboxyl group will be mostly in its ionized form, which is not easily absorbed through the cell membrane.
To calculate the percentage of the drug being absorbed, we can use the Henderson-Hasselbalch equation:
\(pH = pKa + log([A^-]/[HA])\)
In this case, [A-] represents the concentration of the ionized form and [HA] represents the concentration of the unionized form of the drug. Since the ionized form is not absorbed, we are interested in the concentration of the unionized form.
By rearranging the equation, we get:
\([HA]/[A^-] = 10^{(pH - pKa)\)
Substituting the values (pH=2, pKa=4) into the equation:
\([HA]/[A^-] = 10^{(2 - 4)} = 10^{(-2)} = 0.01\)
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carolus linnaeus promoted the concept that humans were divided into geographically based subspecies, which occupied places on a hierarchical scale. T/F?
Answers
False. Carolus linnaeus not promoted the concept that humans were divided into geographically based subspecies, which occupied places on a hierarchical scale.
The statement is false. Carl Linnaeus, also known as Carl von Linné, was a Swedish botanist and zoologist who is widely regarded as the father of modern taxonomy. While Linnaeus classified and organized organisms into a hierarchical system based on their shared characteristics, he did not promote the concept of geographically based subspecies or hierarchical divisions among humans.
Linnaeus's classification system, known as binomial nomenclature, was primarily focused on categorizing and naming plants and animals based on their observable characteristics. His system provided a standardized way to classify and organize species, but it did not involve the concept of subspecies or hierarchical divisions within human populations.
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If your stomach produces too much acid, you can take a substance that is a________ to neutralize it.
Answers
Answer:base
Explanation:
base neutralize out acid
Frederick Griffith heat-killed a culture of pathogenic bacteria. He split the sample and injected half of it into mice. The mice lived. He then mixed the other half with a living, nonpathogenic bacteria strain and injected the mixture into mice. The mice died. These results best support which of the following conclusions.
1. the initial heat treatment was unsuccessful
2. a substance had been transferred from pathogenic to nonpathogenic bacteria
3. splitting the culture revived the pathogenic bacteria
4. non-pathogenic bacteria were transformed by pathogenic capsule proteins
Answers
The results by Frederick Griffith experiment best support the conclusion that: (2) a substance had been transferred from pathogenic to nonpathogenic bacteria.
Pathogenic refers to the state where a living microorganism possess the ability to cause infection in some other living organism. This phenomenon of microorganisms of causing infection is called pathogenicity. Bacteria, viruses, protozoans are all pathogenic in nature.
Bacteria is the prokaryotic microorganism found in all the environments. There are two types of bacteria: the good ones and the bad ones. The bacteria can even be found inside the body of living organisms. The examples of bacteria are: E. coli, Salmonella, Bacillus, etc.
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How does nectar increase the ability of plants to reproduce?
Answers
Answer:
nectar is very sweet juice which attracts insects.
when those insects suck the nectar the pollen grains sticks to the body of those insects and then when they fly and sit on the other flowers and then those pollen grains are then transferred to the stigma of that flower which then forms a zygote and then forms a new flower.
and this is how nectar helps to reproduce