what would be the effect in muscle cells of a deficiency in lactate dehydrogenase? question 5 options: buildup of o2 buildup of co2 deficiency of pyruvate deficiency of atp buildup of glucose
Answers
A deficiency in lactate dehydrogenase (LDH) would result in a deficiency of ATP in muscle cells. Therefore the correct option is option C.
In muscle cells, lactate dehydrogenase is an enzyme that is essential for anaerobic respiration. Muscle cells use the process of glycolysis, which turns glucose into pyruvate in the absence of enough oxygen, to produce energy.
After then, lactate dehydrogenase transforms pyruvate into lactate in order to replenish the NAD+ needed to keep glycolysis going.
Pyruvate will accumulate in muscle cells if lactate dehydrogenase is lacking because it will be unable to convert pyruvate to lactate. As a result, muscles will become weaker, more exhausted, and less tolerant to activity. Muscle cells won't be able to contract effectively. Therefore the correct option is option C.
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Related Questions
I am a multicellular autotroph that lives on land. I grow flowers with eggs and pollen inside them, and produce seeds inside of fruit.
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Answer:
protist, Kelp
>-<
Making Comparisons Read the definition of parasites and predators, and then explain how parasites differ from predators.
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Answer:
Parasites only wish to suck the life out of their prey, but predators wish to kill and eat their prey. The main difference is killing what they eat.
The sun is the most giant star in the universe.
A.
True
B.
False
Answers
Answer:
B
Explanation:
There are even 10x bigger stars than the Sun
A species of worm is active at night, and comes to the top of the soil only when it is dark outside. In the daytime, the members of the species stay burrowed several inches beneath the soil. Which of these explanations BEST describes how this nocturnal behavior evolved in the species of worm?A)The worms have a predator with keen night vision.B)The worms have a predator that is active during the day.C)The worms rely on solar energy to increase their body temperature.D)The worms have increased mating opportunities at the surface that require visual cues.
Answers
We noticed that the exercise provides us with the following information:
• The animal is ,active at night, and only goes to the surface at night;
,• He stays during the day underground.
Analyzing the alternatives, we can say that:
• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.
,• B) is correct. As mentioned in alternative "A", the predator is active during the day.
• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.
• D) is incorrect, he increased his mating opportunities at night times.
Answer: B.
which of the follwing organs is not involved in the synthesis of vitamin d? skin heart kidneys liver
Answers
The heart is not involved in the synthesis of vitamin D, option B is correct.
The synthesis of vitamin D primarily occurs in the skin, where a precursor molecule called 7-dehydrocholesterol is converted to vitamin \(D_3\) (cholecalciferol) upon exposure to ultraviolet B (UVB) radiation from sunlight. After its synthesis in the skin, vitamin D undergoes further processing in the liver and kidneys to become its active form, which is important for various physiological processes in the body.
After the initial synthesis of vitamin \(D_3\) in the skin, further processing takes place in the liver and kidneys. In the liver, cholecalciferol (vitamin \(D_3\)) is converted into 25-hydroxyvitamin D [25(OH)D], also known as calcidiol. This is the major circulating form of vitamin D in the body and is used as a marker to assess a person's vitamin D status, option B is correct.
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The complete question is:
Which of the following organs is not involved in the synthesis of vitamin D?
A. skin
B. heart
C. kidneys
D. liver
There are so many fascinating human adaptations (permanent changes in living organisms due to the environment). Which one is your favorite biological adaptation and why?
Answers
One of the most fascinating biological adaptations in humans is the development of bipedalism which is the ability to walk on two legs & has been a crucial adaptation that allowed early humans to thrive and evolve.
Bipedalism is my favorite biological adaptation in humans due to its significant impact on human evolution. Our ability to walk upright on two legs distinguishes us from other primates and has shaped various aspects of our anatomy and behavior. Bipedalism freed our hands, enabling us to use tools and develop complex manipulative skills, which played a crucial role in our cognitive and technological advancement.
The transition to bipedalism was a pivotal step in our evolutionary history. It allowed early humans to efficiently travel long distances, access new food sources, and adapt to changing environments. This adaptation also led to the reshaping of our skeleton, with the development of a specialized pelvis and spine to support upright walking. Over time, bipedalism influenced the expansion of our brain and cognitive capabilities, contributing to the development of language, social structures, and culture.
Bipedalism remains a defining feature of our species and has enabled us to become the dominant and versatile beings on the planet. It is a testament to the incredible capacity of organisms to adapt and thrive in diverse environments.
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How much of a 100.0 g sample of Au is left after 8.10 days if its half-life is 2.70 days?
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which accurately describes why was the monroe doctrine issued?
Answers
The correct statement which accurately describes why was the Monroe Doctrine issued is that it declared American opposition to European interference in the Americas and also stated that any attempt to colonize the western hemisphere would be considered a hostile act by the United States.
The Monroe Doctrine was a foreign policy statement by the United States that stated that any effort by European nations to colonize the Western hemisphere would be considered a hostile act by the United States. The doctrine was made during the United States seventh president, James Monroe, in his 1823 State of the Union address. The Monroe Doctrine's key message was that the United States would resist any European attempts to establish colonies in the Western hemisphere, including any attempt to impose their political systems on independent countries. The US was committed to defending its independence and that of other countries in the western hemisphere. The doctrine was initially a response to the fear that the Holy Alliance (an alliance between Russia, Austria, Prussia, and later France) was looking to reinstate colonialism in Latin America following Spain's loss of its colonies in the region. The US wanted to ensure that the Western Hemisphere remained free from European influence and that the US would play a significant role in the region.
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5. Two examples of organ systems found in plants are the __________________ system and the ____________________ system.
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Answer:
A plant has two organ systems: 1) the shoot system, and 2) the root system. The shoot system is above ground and includes the organs such as leaves, buds, stems, flowers (if the plant has any), and fruits (if the plant has any).
how do decomposers support plants to get nutrients
Answers
Answer:
They convert nitrites in the soil into nitrates, or the nutrients that support plants. These help with their growth and development.
Explanation:
Hope this helps!
This plant cell contains multiple structures that help it survive. Some of these structures are different than an animal cell. Based on the diagram, which structures distinguish it as a plant cell and not an animal cell?
A)Structures 1 & 4
B)Structures 1 & 3
C)Structures 2 & 3
D)Structures 3 & 4
sorry guys I can't show you guys the image but there are four structures: Nucleus, mitochondria, chloroplast, cell wall. I'm basically asking what structure's does a plant cell have that a animal cell doesn't....
Answers
Answer:
the answer is D - Structures 3 and 4
Use each of the following terms in a separate
sentence.
1. DNA
2. Sexual reproduction
3. Gene
4. Gene expression
5. Noncoding DNA
Please help
Answers
Sexual reproduction involves the fusion of two gametes, typically from different individuals, to produce offspring with genetic diversity.
A gene is a segment of DNA that contains the instructions for a particular trait or function.
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product, such as a protein.
Noncoding DNA refers to segments of DNA that do not contain the instructions for making proteins, but may still play a role in gene regulation and other cellular processes.
The human heart weighs how many pounds
Answers
After careful consideration your answer is...
Just about 1 pound
*Hope I helped*
~Alanna~
1 lb (pound)
Explanation:
it is the answer.
The graph below shows the lung function of test subjects at three different ages who had exposure to ozone gas from the same source and location.
According to the graph, which statement best describes the effects of ozone on human health?
At 0.2 ppm, lung function is worse in subjects older than 20.
At 0.3 ppm, lung function is better in subjects older than 20.
Subjects at age 20 have higher lung function than subjects at age 33.
Subjects at age 27 have lower lung function than subjects at age 20.
Answers
Answer:
B
Explanation:
It's Pretty Easy To Know
At 0.3 ppm, lung function is better in subjects older than 20.
Ozone can cause the muscles in the airways to constrict, trapping air in the alveoli. This leads to wheezing and shortness of breath.What is the functions of ozone?The ozone layer acts as a shield for life on Earth. Ozone is good at trapping a type of radiation called ultraviolet radiation, or UV light, which can penetrate organisms protective layers, like skin, damaging DNA molecules in plants and animals.There are two major types of UV light: UVB and UVA.However high amount of ozone can cause is a feeling of irritation in the eyes, nose and throat. Some people may also experience respiratory or heart symptoms such as shortness of breath, chest pain, and wheezing.Hence, B option is correct.
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What does food provide to organisms
Answers
Answer:energy
Explanation:
Which statement could lead to the conclusion that the lac operon is on?
A. RNA polymerase is blocked by the repressor.
B. Lactose is absent.
C. The cell membrane changes.
D. The repressor protein has fallen off off molecule.
Answers
The statement D. The repressor protein has fallen off off molecule could lead to the conclusion that the lac operon is on.
What is the lac operon in E coli bacteria?The lac operon in E coli bacteria is a group of genes that are transcribed as a unit or mRNA polycistronic which is then processed and produce the proteins required to metabolize lactose.
Therefore, with this data, we can see that the lac operon in E coli bacteria is used to metabolize lactose and it may be repressed by a repressor sequence.
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Organisms and Relationships In any ecosystem organisms have relationships that help them survive. Classify the type of relationship between the organisms as one of the three predator-prey parasite host producer-herbivore cat mouseclover - tabbit som - tiek Predator-prey Parasite-Host or Producer-herbivore
Answers
Answer:
Term Meaning
Symbiosis Interspecific interaction in which two species live together in a long-term, intimate association
Mutualism A symbiotic relationship between two species in which both partners benefit
Commensalism A symbiotic relationship between two species in which one benefits and the other is unaffected
How does regenerative grazing affect the environment?.
Answers
Answer:
Land use and deforestation
The efficacy of carbon sequestration
Diminished soil health
Depletion of freshwater resources
Hope this help you!:)
The ____ system includes all the bones of the body and their associated cartilage, tendons, and ligaments.
Answers
The skeletal system includes all the bones of the body and their associated cartilage, tendons, and ligaments.
The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system.
Bones provide a rigid framework, known as the skeleton, that support and protect the soft organs of the body. The skeleton supports the body against the pull of gravity. The large bones of the lower limbs support the trunk when standing. The skeleton also protects the soft body parts.
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Increased levels of carbon dioxide in the atmosphere have been implicated in which of the following?
Answers
Answer:
Both increased global warming and increased seawater acidity.
Explanation:
Good luck!
Which of the following organisms is a heterotroph? a) Rose b) Pine tree c) Deep-sea tubeworm d) None of these
Answers
Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.
Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.
The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.
Therefore, the correct answer is Option D.
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The process by which water enters through a selectively permeable membrane is called _____.
Answers
The process by which water enters through a selectively permeable membrane is called osmosis.
Osmosis is the movement of water molecules across a selectively permeable membrane from an area of high water concentration to an area of low water concentration, in order to balance the concentration of solutes on either side of the membrane.
A selectively permeable membrane is a membrane that allows certain molecules or ions to pass through while restricting the passage of others.
Osmosis is a key process in biological systems, where it is involved in the regulation of fluid balance and the maintenance of cell shape and structure. It is also an important process in many industrial and environmental applications, such as water purification, desalination, and wastewater treatment.
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Chromosomes are found in the (i)__________ of every living cell. They can be seen by (ii)__________ a cell that is about to (iii)_________. For each thread-like chromosome there is another one exactly like it; therefore chromosomes occur in (iv)_________. Every body cell of a particular organism has the same (v)_________ of chromosomes. For example, all humans have (vi)_________ chromosomes in each body cell, made up of (vii)_______ pairs. The cells of the garden pea have 14 chromosomes made up of (viii)_____ pairs and those of the shrimp have 254 chromosomes, made up of (ix)_______ pairs. The two chromosomes belonging to a matching pair are called (x)______ chromosomes.
Answers
Answer:
Explanation:
i) nucleus
ii) mitosis
iii) split
iv) pairs
v) number
vi) 46
vii) 23
viii) 7
ix) 127
x) arm
The atmosphere of Earth is made up of nitrogen, oxygen, water vapor, carbon dioxide, methane, nitrous
oxide, and ozone. Of these, 99% of the atmosphere is composed of:
Answers
Answer:
Nitrogen and oxygen account for 99 percent of the gases in dry air,
what are the important features of skeletal muscles, seive tubes and companion cells?
Answers
Answer:
Phloem is comprised of cells called sieve-tube elements. Phloem sap travels through perforations called sieve tube plates. Neighboring companion cells carry out metabolic functions for the sieve-tube elements and provide them with energy.
Similar to cardiac muscle, however, skeletal muscle is striated; its long, thin, multinucleated fibres are crossed with a regular pattern of fine red and white lines, giving the muscle a distinctive appearance. Skeletal muscle fibres are bound together by connective tissue and communicate with nerves and blood vessels. Four characteristics define skeletal muscle tissue cells: they are voluntary, striated, not branched, and multinucleated.
on some soil samples, you find filaments that contain chloroplasts. how would you know if they are algae or the protonema of a moss?
Answers
You would need to observe the characteristics and growth patterns of chloroplasts found in soil samples to determine if the filaments containing chloroplasts found in soil samples are algae or the protonema of a moss.
Examine the structure and morphology of the filaments. Algae typically have a simpler structure, while moss protonema exhibits branching patterns.
Observe the presence of any reproductive structures. Algae reproduce through various means such as spores, fragmentation, or cell division. In contrast, moss protonema will develop into gametophores (the leafy part of the moss) that contain reproductive organs called antheridia and archegonia.
Assess the habitat of the samples. Moss protonema usually grows in moist, shaded environments, while algae can be found in various habitats, including aquatic environments or on rocks and trees.
By examining the structure, reproductive features, and habitat of the filaments containing chloroplasts, you can determine if they are algae or the protonema of a moss.
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This is a genetic question:
The Bionomial is a more complex calculation used when you have multiple events AND multiple outcomes. Use the following P (s of A, t of B) = ( N! ) ps qt
S! T!
BTW= s + t = n and p+q = 1
Answers
The formula for the binomial distribution is:
P(s of A, t of B) = (N! / (S! * T!)) * (p^s) * (q^t)Where:
N is the total number of trialsS is the number of successes in the trialsT is the number of failures in the trialsp is the probability of success in each trialq is the probability of failure in each trialThe binomial distribution is a useful tool for calculating the probability of a specific number of successes in a set of trials. It is commonly used in fields such as genetics, where it can be used to calculate the probability of a specific genetic outcome occurring in a population.
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In the equation 6x – 2 = –4x + 2, Spencer claims that the first step is to add 4x to both sides. Jeremiah claims that the first step is to subtract 6x from both sides. Who is correct? Explain
Answers
In the equation 6x - 2 = -4x + 2, Jeremiah is correct in his claim that the first step is to subtract 6x from both sides.
Solving algebraic equationsTo solve the equation, the goal is to isolate the variable 'x' on one side of the equation. To do this, we need to eliminate the x-terms on one side.
If Spencer were to add 4x to both sides, the equation would become:
6x - 2 + 4x = -4x + 2 + 4x
Combining like terms, we would have:
10x - 2 = 2
However, subtracting 6x from both sides, as Jeremiah suggests, would give us:
6x - 6x - 2 = -4x - 6x + 2
To simplify, we have:
-2 = -10x + 2
Now, we can proceed with solving the equation by manipulating and simplifying further. But in terms of the first step, Jeremiah's approach of subtracting 6x from both sides is the correct choice to eliminate the x-terms on one side of the equation.
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Which of these is a disadvantage of hydroelectric energy ?
A. Is expensive to build or maintain
B. Has high power plant efficiency
C. Has a long power plant life span
D. Reduces greenhouse gas emissions
Answers
Answer:
A. Is expensive to build or maintain
Explanation:
Hydroelectric energy is a type of energy which is generated from the flow of water. In this energy, water is allowed to fall from a certain height on the turbine. The moving of turbine produces energy. The main disadvantage of hydroelectric energy is that it is very expensive and require high amount of money for the construction and maintenance of hydroelectric power plant. The machinery used for the production of hydroelectric energy is very costly.
is sickle cell disease an evolutionary trait that emerged through natural selection
Answers
Yes, sickle cell disease is considered an evolutionary trait that emerged through natural selection.
Sickle cell disease is caused by a mutation in the gene that codes for hemoglobin, a protein responsible for carrying oxygen in red blood cells. The mutation results in the production of abnormal hemoglobin, causing red blood cells to become sickle-shaped and less efficient in carrying oxygen.
In regions where malaria is prevalent, individuals who carry a single copy of the sickle cell gene (sickle cell trait) have a survival advantage over those with normal hemoglobin. The sickle cell trait provides some protection against malaria, as the malaria parasite has difficulty infecting and reproducing within sickle-shaped red blood cells. As a result, individuals with the sickle cell trait are less susceptible to severe forms of malaria.
This selective advantage has led to the persistence of the sickle cell gene in populations where malaria is endemic, such as parts of Africa, the Middle East, and India. However, individuals who inherit two copies of the sickle cell gene develop sickle cell disease, which can have severe health consequences.
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