what functions do mitochondria and ribosomes have in common
Answers
Answer:
Ribosomes are small organelles and are the site of protein synthesis. Ribosomes are found in all cells. Mitochondria are where energy from organic compounds is used to make ATP.
Explanation:
Answer:
Ribosomes are the site of protein synthesis.Mitochondria are where energy from organic compounds is used to make ATP.
Explanati
Related Questions
Using skills obtained from the Histology lab, please identify the mammalian tissue sample with the following characteristics: branching of thin, pink strands, clear globular spaces, and at high magnification, there are red dots dispersed within the branches. (Hint: this is one of the tissues used in the lab.)
Answers
The clear globular spaces are likely to be the alveoli, which are small sacs that are responsible for gas exchange in the lungs. The red dots dispersed within the branches could represent red blood cells, which are responsible for carrying oxygen throughout the body.
Under the microscope, lung tissue appears as a complex network of interconnecting tubes and sacs, surrounded by connective tissue and blood vessels. The bronchial tree is lined with pseudostratified ciliated columnar epithelium, which contains goblet cells that secrete mucus to trap foreign particles and pathogens. The alveoli are lined with simple squamous epithelium, which allows for efficient diffusion of gases. The alveolar walls also contain elastic and reticular fibers, as well as alveolar macrophages that phagocytose debris and microbes.
In conclusion, the lung tissue sample with branching of thin, pink strands, clear globular spaces, and red dots dispersed within the branches is most likely to be the lung tissue. Histological examination of lung tissue can provide valuable insights into the structure and function of this vital organ, as well as the pathogenesis of respiratory diseases.
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Lactate accumulation contributes to fatigue because lactate
a. causes capillaries to constrict, which reduces muscle blood flow
b. facilitates fatty acid mobilization and utilization, thus reducing the total energy available to muscle
c. inhibits myoglobin from transporting oxygen into the mitochondria
d. lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism
Answers
Option D i.e. lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism, is the correct answer.
Lactate accumulation contributes to fatigue because lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism. Hence, the correct option is (d) lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism.
What is lactate?Lactate is a product of anaerobic glycolysis in muscles. Lactate accumulates when there is inadequate oxygen supply during intense exercise, leading to muscle fatigue. The accumulation of lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism, leading to fatigue.How does lactate accumulation contribute to fatigue?Lactate accumulation contributes to fatigue by inhibiting the process of energy metabolism. When the intramuscular pH falls, it leads to enzyme inhibition, which is crucial for the proper functioning of energy metabolism. The hydrogen ion accumulation affects several enzyme systems, leading to fatigue and reduced force production.The muscles rely on energy metabolism to produce adenosine triphosphate (ATP) for muscle contraction. Hence, when lactate accumulates, it inhibits energy metabolism, leading to reduced ATP production. This reduction in ATP production leads to muscle fatigue, which affects exercise performance. Thus, lactate accumulation contributes to fatigue.
Hence the correct answer is Option D.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answers
Answer: C
Explanation: Ursidae is a family of mammals in the order Carnivora, which includes the giant panda, brown bear, and polar bear
(c) James results are shown in the table below.
Amount of Light (hours)
0
5
10
Number of Duckweed Plants after 1 Week
1
3
7
(i) Describe how increasing the amount of light affects the number of duckweed plants.
(ii) Explain why increasing the amount of light has this effect on pondweed plants.
(Q7 Total marks = 8)
Answers
i) From the table given, it is clear that the Duckweed plants responded to increased light. Where there was no light at all, there was only one of them. When light exposure was increased to 5 hours/day, the number of Duckweek plants increased to 3. When the amount of light increased, the number of duckweed also more than doubled, going from 3 to 7.
ii) As the light levels are increased there is an increase in photosynthesis in the plant. There is also an increase in growth.
What is photosynthesis?Photosynthesis is a process that plants and other organisms utilize to transform light energy into chemical energy that may then be released to power the organism's activities via cellular respiration.
Sunlight, water, and oxygen are required, and two processes occur, one light-dependent and one light-independent.
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Full Question:
(c) James results are shown in the table below.
Amount of Light (hours) Number of Duckweed Plants after 1 Week
0 1
5 3
10 7
(i) Describe how increasing the amount of light affects the number of duckweed plants.
(ii) Explain why increasing the amount of light has this effect on pondweed plants.
(Q7 Total marks = 8)
In order for materials to enter or exit any type of cell, it has to pass through the cell's selectively permeable barrier. What is the name of the cell's barrier???? PLEASE HELP I NEED THIS FOR MY NEXT CLASS PLEASEE
Answers
Answer:
its called a membrane
Explanation:
its kind of like a cell wall
Fill in the blank with the appropriate anatomical term:The popliteal region is _____ to the patellar region.
Answers
The popliteal region is posterior to the patellar region.
A diamond-shaped area located behind the knee joint is known as the popliteal fossa. It is created by the muscles in the leg's and thigh's back compartments. The main pathway for structures to travel between the thigh and leg is marked by this anatomical landmark.
An area with a diamond shape just behind the knee joint is called the popliteal fossa. It enables vital neurovascular structures to flow through. The popliteal artery, popliteal vein, tibial nerve, and common peroneal nerve are these structures, arranged from medial to lateral.
At the rear of the knee joint, there is a small depression called the popliteal fossa. Femur and tibia are the bone of the popliteal fossa. The patella, which is situated anterior to the knee, is the biggest sesamoid bone in the human body.
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In relation to the patellar region, the popliteal region is posterior.
The popliteal fossa is a region behind the knee joint that has a diamond-shaped form. It is produced by the muscles in the rear compartments of the leg and thigh. This anatomical landmark indicates the primary route for structures to pass between the thigh and the leg.
The popliteal fossa is a diamond-shaped region located right behind the knee joint. It allows for the free passage of essential neurovascular structures. These structures are positioned from medial to lateral and include the popliteal artery, vein, tibial nerve, and common peroneal nerve. The popliteal fossa is a tiny depression located behind the knee joint. The popliteal fossa's bones are the femur and tibia.
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small fishes, squid, and sharks are ______ ,but zooplankton are not
Answers
Answer:
Carnivores
Explanation:
lowly animals, like sea slugs, behave by instinct and are incapable of learning T/F
Answers
False. Lowly animals, like sea slugs, are not solely limited to instinctive behaviors and are capable of learning.
While the cognitive abilities of different animal species vary, even simple organisms can exhibit various forms of learning. Learning refers to the acquisition of new knowledge or skills through experience, and it can take different forms depending on the organism.
For example, sea slugs have been observed to exhibit associative learning, where they can associate specific stimuli with positive or negative outcomes. This suggests that they can modify their behavior based on prior experiences, indicating a capacity for learning rather than relying solely on instinct.
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Hey y'all I need help with this bio question: what are the pros and cons of different skin tones in different parts of the world?
Answers
It basically all boils down to Vitamin D! We need this essential vitamin to help our body build hormones and regulate calcium. Our bodies make Vitamin D when we are exposed to the UV rays found in sunlight. But as we all know, too much sunlight isn’t good because these UV rays can harm us. Melanin (the chemical that our bodies produce to darken skin tone and hair color) provides protection from UV rays by absorbing them. However, this means that the more melanin that is produced by someone’s body results in less absorption of UV rays and a decrease in Vitamin D production. But for someone living around the equator or in the tropics that doesn’t matter because there’s lots of sun all the time. So for humans living in these areas where there’s lots of sunlight year round, it’s beneficial to have darker skin to protect from the harm of UV rays. People living in these areas still get plenty of Vitamin D though because of that year round sunshine.
Now what about those who’s skin has less melanin, such as those found in the higher latitudes? Well with less sunlight year round, their bodies had to adapt to be able to get enough Vitamin D. So less melanin is produced by the body in order to absorb the lesser amounts of UV rays to make Vitamin D. Lighter skin is, therefore, more beneficial the farther away you go from the tropics.
So essentially:
Pro of Darker Skin tones
-Protection from harmful UV rays
Con of Darker Skin tones
-Less absorption of UV rays and less production of Vitamin D
Pro of Lighter Skin tones
-Greater absorption of UV rays and more Vitamin D production
Con of Lighter Skin tones
-Less protection from harmful UV rays (resulting in sunburns and, in extreme cases, skin cancer)
This is of course the biology answer. The social impacts of different skin tones is a whole different story that you can ask in the history section.
Which process takes the most energy? a.) Heating 10 kg of ice to the melting point. b.) Heating 10 kg of water to the boiling point. c.) Melting 10 kg of ice at a constant temperature. d.) Turning 10 kg of water to steam at a constant temperature. e.) None of the above.
Answers
Answer:
d.) Turning 10 kg of water to steam at a constant temperature.
Explanation:
Heat energy is the energy absorbed or released by a body or an object due to temperature difference. It flows from a body or system of higher temperature to that of lower temperature.
When heat energy is applied to change the state or phase of an object, a lot of energy is required in the process. The major two types of heat flow involved for the process are: specific heat and latent heat.
Therefore in the given question, the process that requires most energy is turning 10 kg of water to steam at a constant temperature.
The Covid-19 pandemic has accelerated the adoption of remote work practices. It is highly likely that hybrid work models will become the norm at post-pandemic workplaces globally, as well as in South Africa. Hybrid work models would bring many challenges to both employees and managers in South Africa - a country also known for its diversity and inequalities.
QUESTION
Compare Maslow’s hierarchy of needs theory and Alderfer’s ERG theory by critically applying these two theories to the above scenario. Make reference to appropriate interventions by senior managers in motivating both frontline employees as well as middle managers.
Answers
Maslow's Hierarchy of Needs was transformed by Clayton Alderfer into the three-factor ERG model of motivation. According to Maslow's theory, people never reach a stable degree of need satisfaction.
In Alderfer's concept, the letters E, R, and G stand for existence, relatedness, and growth, respectively. A content theory of motivation is the ERG model. According to Alderfer's paradigm, these three demands are what drive all human motivation. Existence, which is the first of Alderfer's 3 necessities, is the most immediate and pressing necessity. It generally relates to both physical and psychological survival.
The need for a positive relationship with oneself, a sense of belonging, and relatedness has advanced. The least obvious but nevertheless important component of the ERG model is Alderfer's drive for growth, which is really tied to growth, happiness, and the experience of reaching one's potential.
Maslow's theory would imply that people should strive to meet their immediate needs while at work, and that managers and leaders should concentrate on assisting their teams in meeting one particular level of need at a time. Before going on to the next level of demands in Maslow's Hierarchy of demands, people must have satisfied the previous one. For instance, they must first have their demands for safety met before being driven by a sense of social connection.
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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.substances which are harmful to our environment is called?
Answers
Answer:
pollutants or ecologically unfriendly items
plz mark me as brainliest.
All forensic autopsies reveal important information about specific crimes.
True
False
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Answer: False
Explanation: While forensic autopsies reveal important information about specific crimes, this is a generalization and not always true. In fact, some autopsies can be incorrect or incomplete and the pathologist may need to wait for lab results to determine cause of death.
Forensic autopsy is an examination of a deceased body to establish the cause and manner of death and to gather evidence that could be useful in a criminal investigation. The primary purpose of forensic autopsy is to provide factual information to support the investigation and prosecution of crimes. This process can identify injuries or marks on the body that may indicate signs of abuse or homicide, or any foreign object or substance that could have caused harm to the person.
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diffusion across a selectively permeable membrane chart characteristic, water in cu, solution in tubing
Answers
The concentration of the solution in the tubing affects the rate of diffusion of water from the cuvette into the tubing through a process called osmosis. Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
When the concentration of solute in the tubing is higher than that in the cuvette, water molecules will tend to move from the cuvette into the tubing to equalize the concentration on both sides of the membrane. This results in a net movement of water molecules from an area of lower solute concentration (cuvette) to an area of higher solute concentration (tubing).
The rate of diffusion of water through osmosis is directly influenced by the concentration gradient between the two areas. A greater concentration difference between the tubing and the cuvette will lead to a higher rate of water diffusion into the tubing. In contrast, a lower concentration difference will result in a slower rate of water diffusion.
Therefore, the concentration of the solution in the tubing directly affects the rate of diffusion of water from the cuvette into the tubing through osmosis.
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Complete question :
How does the concentration of the solution in the tubing affect the rate of diffusion of water from the cuvette into the tubing?
All of the following are true of all living organisms EXCEPT that they
A. are made of cells.
B. can reproduce themselves.
C. can grow.
D. possess either DNA or RNA.
Answers
The correct option D. possess either DNA or RNA. EXCEPT this, all are true about the living organisms.
Explain the term living organisms?The ability to engage in life activities including movement, respiration, growth, reactivity to environmental cues, and reproduction can help distinguish live objects from non-living ones.
Even while this way of thinking about life has some drawbacks and can result in the aforementioned alternate ideas, it may be appropriate for this age. For instance, because pupils are unable to perceive plant movement, they may not believe plants to be living things.Considering whether something is alive or not is still difficult because not all biological processes end at the exact time. Human hair and fingernails, for instance, keep growing even after a person passes away.The true statement about the living organisms are-
A. Consist of cells.B. has the ability to procreate.C. can develop.D. DNA and RNA are presentTo know more about the living organisms, here
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In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of the allele a is 0.4. What is the percentage of the population that is rr for this allele? (please explain)
Answers
help a girllll outttttttt pleaseeeeeee
Answers
Answer:
We get the materials to make new cells through...
biosynthesis, which puts small organic molecules together to create larger molecules.
Explanation:
Biosynthesis is the process in your body that turns simple structures into more complex structures. It can happen within a single cell (or within a single organelle within a cell), or across multiple cells. In this case, multiple, since it is referring to humans.
Either this option or A.
fill in the blank. with age, the iq scores of adopted children and their biological parents become _____ correlated, and the iq scores of adopted children and their adoptive parents become ______ correlated.
Answers
With age, the IQ scores of adopted children and their biological parents become less correlated, and the IQ scores of adopted children and their adoptive parents become more correlated.
The correlation between the IQ scores of adopted children and their biological parents decreases with age because the genetic influence on IQ becomes less significant as environmental factors play a more dominant role in shaping intelligence. As children grow older, their cognitive development is increasingly influenced by their upbringing, education, and other environmental factors rather than genetic factors inherited from their biological parents.
On the other hand, the correlation between the IQ scores of adopted children and their adoptive parents tends to increase with age. This is because the adoptive parents provide the nurturing environment and intellectual stimulation that contribute to the child's cognitive development. Over time, the shared environment between the adoptive parents and the adopted child becomes a more influential factor in determining IQ scores.
The correlation between IQ scores and biological parents decreases with age, while the correlation between IQ scores and adoptive parents increases. This highlights the dynamic interplay between genetic and environmental factors in shaping intelligence.
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Which organelle contains digestive enzymes that break down waste material and debris in the cell? lysosome ribosome mitochondrion chloroplast
Answers
Answer:
Lysosomes
Explanation:
Disintegrator bodies, or lysosomes, are spherical organelles with membranous membranes and active hydrolytic (digestive) enzymes. Lysosomes are huge and plentiful in phagocytes, the cells that eliminate invasive germs and cell debris, as one might expect. Nearly all types of biological compounds can be broken down by lysosomal enzymes. They are known as acid hydrolases because they function best in acidic environments. In two crucial ways, the lysosomal membrane has been modified to support lysosomal activities. In order to maintain the acidic pH of the organelle, it first has H+ (proton) "pumps," which are ATPases that collect hydrogen ions from the surrounding cytoplasm. Second, it keeps the harmful lysosomal enzymes (acid hydrolases) while allowing the digestive end products to escape so that the cell may utilise them or excrete them. Thus, lysosomes offer locations within a cell where digestion may happen safely.
Lysosomes serve as the "demolition crew" of a cell by:
metabolizing endocytosed particles, notably poisons, viruses, and bacteriaDegrading worn-out or dysfunctional organelles and stressed or dead cells, a process more formally known as autophagy ("self-eating")carrying out metabolic processes including glycogen release and breakdownreleasing calcium ions into the blood by breaking down boneThe lysosomal membrane is typically relatively stable, but when the cell is harmed, is oxygenated insufficiently, or has an excessive quantity of vitamin A present, it becomes brittle. Autolysis is the process by which lysosomes burst, causing the cell to devour itself.
(A.) Lysosome
Have a great day and hydrate! <3
golgi apparatus non examples
Answers
Answer:
The examples of Golgi apparatus are stated below: Explanation: The Golgi apparatus is present in eukaryotic cells where many substances such as proteins are secreted. In plants, this organelle is referred to as dictyosome. In flagellate protozoa, it is called parabasal body. The collective term for all the Golgi apparatus in the cell is Golgi complex.
Explanation:
write the role of HCL in digestion
Answers
Answer:
Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.
Explanation:
˙˚ʚ(´◡`)ɞ˚˙
Answer:
Activates pepsin enzyme
Explanation:
Carbohydrates are digested into maltose in the mouth and protein digestion begins in the stomach. In the stomach, food undergoes chemical as well as physical digestion.Due to the peristaltic action of the muscles the bolus breaks up in the stomach wall and mixes well into a chyme. ( Physical digestion )Several secretions flow into the stomach. It is collectively known as gastric juice.Also the juice contains pepsin and HCL acid.Here, the enzyme pepsin acts on the proteins in the food and forms polypeptides, which are intermediate products of life. ( Chemical digestion )And the function of the HCL acid is to stimulate pepsin enzyme and make it activewhich disease is caused when there isn't enough bile to breakdown fat and oil in food . And how is it caused
Answers
Exocrine pancreatic insufficiency (EPI) causes problems in how you digest food. Your pancreas doesn't make enough of the enzymes that your body needs to break down and absorb nutrients. Enzymes speed up chemical reactions in your body. The enzymes made by your pancreas move into your small intestine, where they help break down the food you eat. When you have EPI, you don't get the nutrition you need because your body can't absorb fats and some vitamins and minerals from foods. You might lose weight or have pain in your belly.
Unlike sound, light waves do not need a ◄)) medium (matter) liquid atmosphere gas PHAY B D) in which to travel through
Answers
Light waves do not need a medium in which to travel through from one place to another because light is an electromagnetic waves.
What is electromagnetic wave?Electromagnetic waves are those waves that requires no medium for their propagation. It is differ from mechanical waves because they do not require a medium to propagate.
So we can conclude that Light waves do not need a medium in which to travel through from one place to another because light is an electromagnetic waves.
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Characteristic in your own words.
Answers
Answer:
a feature or quality belonging typically to a person, place, or thing and serving to identify them.
Explanation:
PLEASE HELPPPPP I REALLY NEED ITT
Answers
Answer:
I think no.3
Explanation:
please correct me if I'm wrong thanks
explain how competition for biotic and abiotic factors, such as quantity of light water or food can affect the size of populations
Answers
Answer:
When there is a limited supply of water or food, organisms must compete for these resources in order to survive. Some will get to eat/drink but some others might not. As a result those organisms may die from lack of food/water, therefore decreasing the size of the population.
Why does it take two days for Claudius Caesar to die
Answers
Claudius Caesar took two days to die because he suffered from liver failure, which occurred about 15 hours after he ate poisonous mushrooms.
The poisonous mushrooms caused damage to Claudius Caesar's liver cells, leading to liver failure. This meant that his liver and kidneys were unable to filter and detoxify wastes and other harmful substances from his blood, resulting in the development of symptoms such as nausea, diarrhea, and delirium.
Liver failure is a serious condition that can lead to multiple organ failure and death. In Claudius Caesar's case, it took two days for his body to succumb to the effects of liver failure and for him to pass away.
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What skill is a scientist using when she listens to the sounds that an elephant makes?
Answers
find the function for the log model that gives the body weight g of a mouse in grams asfter it is t weeks old
Answers
To find the function for the log model that gives the body weight (g) of a mouse in grams after it is t weeks old, we can use the following formula:
g(t) = a * log10(b * t + 1)
In this function:
g(t) represents the body weight of the mouse in grams at time t (weeks old)
a and b are constants that depend on the specific growth pattern of mice
log10 is the logarithm base 10
To find the exact values for a and b, you would need specific data points of mouse growth. Once you have that data, you can use regression analysis to determine the values of a and b that best fit the data, giving you the final function.
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To find the function for the log model that gives the body weight (g) of a mouse in grams after it is t weeks old, we can use the following formula:
g(t) = a * log10(b * t + 1)
In this function:
g(t) represents the body weight of the mouse in grams at time t (weeks old)
a and b are constants that depend on the specific growth pattern of mice
log10 is the logarithm base 10
To find the exact values for a and b, you would need specific data points of mouse growth. Once you have that data, you can use regression analysis to determine the values of a and b that best fit the data, giving you the final function.
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