The proteins necessary for life are assembled by the ribosomes of cells. These proteins include enzymes, which are proteins that can reduce the activation energy needed for certain chemical reactions. One very important role that enzymes play in eukaryotic cells is to allow energy production to occur by catalyzing the chemical reactions involved in cellular respiration.
Suppose an enzyme that is involved in cellular respiration is assembled by a ribosome. Where will this enzyme need to be transported in order to perform its function?
A. to the nucleus B. to a chloroplast C. to a vacuole D. to a mitochondrion
Final answer:
Enzymes involved in cellular respiration need to be transported D. to a mitochondrion to fulfill their role in ATP production.
Explanation:
An enzyme that is involved in cellular respiration will need to be transported to the mitochondrion to perform its function. This is because the mitochondria are known as the "powerhouses" of eukaryotic cells, responsible for producing adenosine triphosphate (ATP), the cell's main energy-carrying molecule. Cellular respiration occurs within the mitochondria where substrates are broken down to produce ATP. Proteins synthesized by ribosomes that are destined for the mitochondria are shuttled to these organelles post-translation. Ribosomes on the rough endoplasmic reticulum generally produce proteins that are meant for the cell membrane, but some proteins, particularly those involved in cellular respiration, are directed to the mitochondria where they execute their enzymatic functions.
The physiology instructor is talking with the class of nursing students. what would the instructor explain to the students is the connecting link between the nervous system and the endocrine system?
We know that vinyl chloride is a carcinogen. parents fear that their children will get cancer from playing with toys made from pvc. do you agree or disagree?
Number of chromosomes in gametes when meiosis occurs normally
When two pink flowers (rw) are crossed, there are four equally likely possible outcomes for the genetic makeup of the offspring: red (rr), pink (rw), pink (wr), and white (ww). complete the punnett square. if two pink flowers are crossed, what is the probability that the offspring is?
Two pink flowers (rw) crossing can produce offspring with the genotypes rr (red), rw (pink), wr (pink), or ww (white). The probability for red and white offspring is 25% each, while for pink it's 50%.
Explanation:When two pink flowers (rw) are crossed, the potential genotypes of the offspring could be rr (red), rw (pink), wr (pink), or ww (white). This can be visualized using a Punnett square, a diagram used in biology to predict the outcome of a genetic cross. For two pink flowers, the Punnett square would look like this:
RW | RW-- | --RW | rr-- | --RR | Rw-- | --Rw | RwEach square in the Punnett square represents a potential genotype, so the probability for each genotype (rr, rw, wr, ww) is 25% each because there are four squares. Therefore, the chances of the offspring flower being red is 25%, pink is 50% (rw and wr), and white is 25%.
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Imagine a disease that kills 50% of the male roaches i a population. do you think this would affect birth rate? briefly explain. 3. if a disease instead killed 50% of females, would it likely affect birth rate? briefly explain.
If 50% of males in a population dies then the birth rate will decrease to 50%.
Explanation:For example in a population there are 100 males and birth rate is also 100 per year.
Then after disease only 50 males will remain to reproduce and 50 babies will birth in a year. Hence birth rate also decreased by 50%.
Part 2.If 50% of females in a population dies then the birth rate will decrease to 50%.
Explanation:For example in a population there are 100 females and birth rate is also 100 per year.
Then after disease only 50 females will remain to reproduce and they will give birth to 50 babies in a year.
Hence birth rate also decreased by 50%.
Yes, the death of both male and female affected the birth rate of the roaches.
Both male and female death affected the birth rate of roaches because male and female are required for the increasing and maintaining birth rate. Male mate with female produces offspring so male as well as female are necessary for the birth of baby roaches.
If male population becomes half or 50% so due to less mating less female produce less baby roaches which results in decrease of birth rate while on the other hand, if the female population reduced to 50 % then less females are available for producing baby roaches which also affect the birth rate so we can conclude that the death of both male and female affect the birth rate of the roaches.
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The hemoglobin precursor that accumulates in iron-deficiency is
A scientist wants to create a florescent ornamental fish. He needs fluorescence similar to that of a firefly. Which of the send processes would help him create this fish?
How many calories in chili cheese fries from doublez?
The percentage of calories will be added in chili cheese fries from doublez is 850 calories.
What is unhealthy weight gain?Unhealthy weight gain has been defined as due to wrong eating habits or unusual eating habit the weight of the body has been increased unnecessarily and this will lead to condition of the obesity and the condition has been known as the unhealthy weight gain.
The weight gain of the body which has been achieved by eating unhealthy food and not doing any physical activity has been termed as unhealthy weight gain. Therefore the benefit of a healthy lifestyle best applies to teens are they improved their self esteem.
Vegetarian person play a vital role in the maintainance of the food chain of an ecosystem. Vegetarian person always have low density-lipoprotein cholesterol level, lowers blood pressure and lower rates of hypertension and type 2 diabetes as compared to non-vegetarian person.
Therefore, The percentage of calories will be added in chili cheese fries from doublez is 850 calories.
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How would a sudden decrease in the rabbit population on an island affect another species there? *
A. The population of eagles would probably increase.
B. The population of ladybugs would probably increase.
C. The population of blue jays would probably decrease.
D. The population of foxes would probably decrease.
The correct answer is option D The population of foxes would probably decrease.
A food chain can be defined as a linear sequence of organisms through which the nutrients and energy flow as one organisms feeds on the other. Each level of the food chain is called the trophic level. They show organisms starting from the producers and end with consumers or sometimes with detrivores or decomposers. The producers which use solar energy and prepare their food occupy the first trophic level, followed by the primary, secondary, tertiary, quaternary consumers occupying the next trophic level.
In the terrestrial food chain given above, grass → rabbit → fox, the decrease in the any population will effect the other organism at a different trophic level of the food chain. A sudden decrease in the population of rabbits will decrease the population of the foxes at the next trophic level as it is a secondary consumer feeding on the primary consumer which is the rabbit. So, a sudden decrease in the rabbit population will starve the foxes and thus decrease their number in the island.
True or false experience does not influence brain development
occurs when earth shadow falls on the moon
the organ shown is a part of the _ system
the answer is C-cardiovascular
Please list from greatest to smallest
Some ncds, including _____, begin with impaired motor control. alzheimer disease vascular dementia parkinson's disease pick disease
Some non-communicable diseases (ncds), including Parkinson’s disease, begin with impaired motor control.
Answer: Option C
Explanation:
It is caused mostly due to genetic or environmental factors. Parkinson’s disease is a neural disorder caused by deterioration of motor function in the brain. Dopamine cells are lost in the brain cells.
This dopamine in the brain is responsible for the smooth movement. When it is lost due to various factors it causes progressive loss of muscle control. This causes shaking, shivering, trembling of head and limbs.
What is the steady state of contraction created by smooth muscle
Final answer:
The steady state of contraction in smooth muscle is known as muscle tone, maintained with minimal energy thanks to latch-bridges. Factors like the autonomic nervous system and stretching can influence these contractions. Smooth muscle is categorized into single-unit and multiunit types, with single-unit being more common in organ walls.
Explanation:
The steady state of contraction created by smooth muscle is referred to as muscle "tone". This muscle tone is a low-level contraction that can be maintained for long periods with little energy expenditure. Smooth muscle achieves this through the use of latch-bridges, a type of cross-bridge that can remain attached between myosin heads and actin filaments without the continuous need for ATP.
Smooth muscle contraction can be induced or modulated by various factors, such as neural stimulation by the autonomic nervous system (ANS), hormones, local factors, and physical stretching of the muscle fibers. The stress-relaxation response is characteristic of visceral smooth muscle, allowing organs such as the stomach and bladder to stretch and contract efficiently without premature emptying.
This muscle type can be categorized as single-unit and multiunit. Single-unit smooth muscle contains gap junctions that synchronize contractions, making the muscle contract as a single unit. This type is mostly found in the walls of viscera. On the other hand, multiunit smooth muscle cells lack gap junctions and their contractions are not synchronized, allowing for fine control and are found in structures such as the large airways to the lungs and the large arteries.
Retinol, cholecalciferol, tocopherol, and phylloquinone are all names of what? water-soluble vitamins fat-soluble vitamins antioxidants
The correct answer is fat-soluble vitamins.
The fat-soluble vitamins are soluble in lipids and usually absorbed as fat globules (chylomicrons). They are absorbed via the lymphatic system of the small intestines and then transported into the blood circulation within the body.
Vitamin A (retinol) has an important role in maintaining healthy vision.
Vitamin D (cholecalciferol) is important for bone health and development and it is produced naturally in the human body when the skin is exposed to the sun.
Vitamin E (tocopherol) is an antioxidant that can help the body destroy free radicals.
Vitamin K (phylloquinone) has a role in forming the blood clots.
Why is the base of an energy pyramid wider than the top? *
A. There are usually many more producers than top predators in an ecosystem.
B. Only a small portion of energy can be passed from a lower level to the level above it.
C. Both A and B are true.
D. Neither A nor B is true.
The base of energy pyramid is wider than the top as there are usually many more producers than top predators in an ecosystem and also only a small portion of energy can be passed from a lower level to the level above it. The correct option is C.
What is energy pyramid?An energy pyramid, also recognized as a trophic or ecological pyramid, is a schematic illustration of the energy contained within an ecosystem's trophic levels.
The producers are at the bottom and largest level of the pyramid, and they contain the most energy.
Because there is less energy available to support those organisms, the number of organisms at each level decreases relative to the level below.
Because it contains the least amount of energy, the top level of an energy pyramid contains the fewest organisms.
Energy pyramids are always upright because energy is lost at each trophic level; an ecosystem that lacks sufficient primary productivity cannot exist.
Thus, the correct option is C.
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identify one factor that could affect which color trait is selected for in a particular environment
Tricyclic antidepressants appear to work by blocking the reuptake of
How do wetlands abiotically help to protect the water quality of a marine ecosystem? They cause areas to flood into larger water bodies. They cause the water to be filled with tannins. They filter sediments and other material from runoff. They prevent water from being stored in their areas.
Answer: They filter sediments and other material from runoff.
Explanation:
A piece of land covered by water is known as a wetland. Some examples are marshes, ponds, deltas etc.The wetlands abiotically help them to protect the water quality of the marine ecosystem by filtering the sediments that are present in the surface runoff as well as by absorbing many of the harmful pollutants present in it. In this way, they prevent them from reaching the marine water bodies. Thus, the wetlands act as nature's cleansers or filters._______ is an example of an abiotic factor for a given animal. A. An organism that competes with it B. The air it breathes C. The animal which feeds on it D. A mouse on which it feeds
Answer:
B. The air it breathes.
Explanation:
An abiotic factor is a factor that is non-living, while a biotic factor is living.
Abiotic example: the air it breathes
Biotic example: the mouse
If a neutral atom has a mass of 12 amu and an atomic number of 5, determine the number of protons, neutrons, and electrons in the atom. (4 points)
Describe the origin of despositional features: spit, bay barrier, tombolo and barrier island
What do minerals of the granulite facies typically have in common? what mineral is diagnostic of the blueschist facies in mafic rocks? what mineral's absence is diagnostic of the eclogite facies in mafic rocks? why is it missing, and what replaces it?
How many chromosomes would be found in an allopolyploid plant if its parents?
_____ is the correct cpt code for a cholecystectomy using a right subcostal incision for exploration of common duct, with choledochoenterostomy.
47612
A current Procedural Terminology (CPT) code is a medical code that describes or emphasize precisely on the service a health care provider has performed for a patient. CPT describes medical, surgical, and diagnostic services and it also help to pass uniform information about medical services among health workers and patients.
The correct CPT code for a cholecystectomy using a right subcostal incision for exploration of common duct, with choledochoenterostomy is 47760. This code signifies the cholecystectomy is performed with an exploration of common duct and a choledochoenterostomy.
Explanation:The CPT (Current Procedural Terminology) code that matches the description of a cholecystectomy via a right subcostal incision for exploration of the common duct with a choledochoenterostomy is 47760. This code signifies that the cholecystectomy is performed with an exploration of the common duct, and a choledochoenterostomy, which refers to the surgical creation of a connection between the common bile duct and a part of the digestive tract.
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Astronauts who visit and stay at the International Space Station are also scientists because they
A) participate in the race into space.
B) collect data to improve man’s knowledge of space.
C) predict weather on Earth using satellite pictures.
D) travel out of the space station and repair damage to the exterior.
Astronauts at the ISS are scientists primarily because they collect data to improve knowledge of space through research in various scientific fields in a unique microgravity environment (option B).
Astronauts who visit and stay at the International Space Station (ISS) are indeed scientists because they collect data to improve man's knowledge of space (option B). These astronauts carry out scientific research in a microgravity environment, which provides unique conditions for experiments in various fields such as biology, chemistry, physics, physiology, and medicine. The International Space Station serves as an advanced laboratory where astronauts can work on experiments that are not possible on Earth.
While traveling to space is a remarkable feat, the core of the astronaut's work on the ISS is rooted in scientific investigation. They may also be involved in repair missions or predicting weather on Earth using satellite pictures, but their primary role is to engage in research that advances our understanding of space and related sciences.
Which modern human population exhibits the greatest genetic diversity today?
A group of scientists are studying the effects of different fertilizers on the growth of pea plants. They began their study with 10 pea plants. They gave each plant a different type of fertilizer and tracked their growth over a period of 2 months.
What’s the independent variable in this experiment?
A. The growth of the plants
B. The amount of fertilizer
C. The type of fertilizer
D. The plants
Please answer ASAP thanks!
The type of fertilizer is the independent variable
Explanation: while the growth of the plant is dependent variable as its growth rate is a function of the type and quantity of fertilizer applied to it.