Answers
false
............
.
......
Answer:
False
Explanation:
Photosynthetic bacteria cannot make their own energy, this is impossible. According to the law of conservation of energy, energy cannot be created or destroyed, so "making" energy is impossible.
Photosynthetic bacteria can, however, make their own food using the Sun's energy. So they're not creating their own energy- they are simply converting it to a more usable form.
Related Questions
When crossing a true breeding white mouse with a true breeding brown mouse your friend tells you she recovered all black mice. But then when she crosses the F1 mice to each other she recovered 28 black mice, 8 brown mice, and 13 white mice. Can you help her explain these results? (Type out the cross and include genotypes of as many mice as possible. What phrase best describes this phenomenon? How many genes are involved are they linked or unlinked? Etc.)
Answers
Answer:
Following are the response to the given question:
Explanation:
\(White = aaBB \\\\Brown = AAbb\\\\Parental \ \ cross: aaBB \times AAbb\\\\F1 \ progeny: AaBb\\\\F1 \ selfing: AaBb \times AaBb\\\\F2 \ progeny:\\\\\)
\(\frac{9}{16} = A_{B_} = Black\\\\\)
\(\frac{3}{16} = aaB_ \ = White\\\\\)
\(\frac{3}{16} = A_{bb} = Brown\\\\\frac{1}{16} = aabb = White\\\\\)
The observed progeny ratios closely match the morphological ratio of 9:3:4. That's a hereditary pharmacogenetic example.
Applying a number of distinct genes = 2
You have really no connection
Phenomenon=Recessive Epistasis
9. Starch molecules are hydrolyzed into smaller units
known as
(1) glycerols
(2) amino acids
(3) simple sugars (4) proteins
Answers
Answer:
3
Explanation:
the smallest unit of a starch molecule is a simple sugar.
I hope this helps
Starch is a polymeric molecule which hydrolyze into smaller units which are simple sugars. Starch is a homo-polysaccharide. Thus, the correct option is 3.
What is Starch?
Starch (amylum) is a polymeric carbohydrate which consists of numerous units of glucose which are joined by glycosidic bonds. This polysaccharide is formed by the most green plants for the storage of energy in the mesophyll and bundle sheath cells of leaves.
Starch is a white, granular, organic compound which is produced by all the green plants. Starch is a soft, white, tasteless powder which is insoluble in cold water, alcohol, or other organic and inorganic solvents. The basic chemical formula of the starch molecule is (C₆H₁₀O₅)ₙ.
Therefore, the correct option is 3.
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Explain how diffusion restored homeostasis during the dialysis treatment.
Answers
During dialysis, diffusion facilitates the movement of waste products and excess fluids out of the blood, restoring homeostasis.
During dialysis treatment, diffusion plays a crucial role in restoring homeostasis. Homeostasis refers to the body's balanced state, where the levels of various substances are maintained within a narrow range. In the context of dialysis, diffusion refers to the movement of solutes across a semipermeable membrane.In hemodialysis, the patient's blood is circulated through a dialyzer, which contains a semipermeable membrane. On one side of the membrane, the patient's blood flows, while on the other side, a dialysate fluid flows. Due to a concentration gradient, solutes like urea, creatinine, and excess electrolytes in the blood diffuse across the membrane into the dialysate fluid.This diffusion process helps remove waste products and excess fluids from the blood, bringing it closer to the normal physiological range. By restoring the balance of solutes and maintaining proper fluid levels, diffusion in dialysis aids in restoring homeostasis and promoting the overall well-being of the patient.For more such questions on Dialysis:
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Mitosis is an example of sexual reproduction.
True
Or
False?
Answers
Answer:
false
Explanation:
its a type of like cell thing
Answer:
false
Explanation:
In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis gives rise to genetically identical cells in which the total number of chromosomes is maintained Therefore, mitosis is also known as equational division.
During which month is carrying capacity most likely to be limited by water?
O A. August
• B. November
c. September
O D. June
Answers
The month that is carrying capacity that is most likely to be limited by water is: c. September.
What is the carrying capacity?This is due to the graph's apparent abrupt dip in water level around September, which indicates a decrease in the amount of available water resources.
As a result, the low water supply during this month may limit the carrying capacity, which refers to the maximum number of people that an area can support sustainably.
Therefore the correct option is C.
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Answer:
A
Explanation:
Which of the following is true?
a. Extinctions of past species has happened gradually and on a small scale.
b. Bacteria represent a newer form of life, not present during the early prehistory of Earth.
c. Most organisms present early in Earth's prehistory were more complex than modern organisms.
d. Species on Earth today are but a fraction of all species that ever lived.
e. The number of species existing at one time has decreased throughout history.
Answers
Answer:
D
Explanation:
So many species on the Earth have gone extinct throughout it's years. Many species have died out over the 4.543 billion years that the earth has existed, and new species are introduced throughout the decades whilst some fade out.
What effective control measures would you recommend to these farmers against nematode parasites?
Answers
Answer:
Nematode parasites can cause significant damage to crops and reduce yield, so it is important for farmers to take effective control measures. Here are some recommendations that farmers can consider:
1. Crop rotation: Farmers can rotate their crops with non-host plants to break the nematode life cycle. This helps to reduce the population of nematodes and prevent them from building up in the soil.
2. Soil solarization: This involves covering the soil with a clear plastic sheet during the hot summer months to increase the temperature of the soil and kill nematodes.
3. Biocontrol agents: Certain predatory microorganisms and beneficial nematodes can be effective in controlling plant parasitic nematodes. These biocontrol agents can be applied to the soil to help suppress nematode populations.
4. Nematicides: Chemical nematicides can be used to kill nematodes, but they should be used judiciously as they can have negative environmental impacts and may harm other organisms in the soil.
5. Sanitation: Farmers should practice good sanitation practices such as removing infected plant debris and cleaning tools and equipment to prevent the spread of nematodes.
6. Resistant varieties: Planting resistant crop varieties can help reduce the damage caused by nematodes.
7. Soil improvement: Maintaining soil health through practices such as adding organic matter can improve soil structure, fertility, and water-holding capacity, making it less hospitable to nematodes.
By implementing these control measures, farmers can effectively manage nematode infestations and protect their crops from damage.
Answer:
Explanation:
ome effective control measures against nematode parasites, such as crop rotation, use of resistant crop varieties, biological control methods, soil solarization, and chemical control using nematicides. Here are some links for further reading:
Brainliest pls
do hollow bones provide extra weight?
Answers
Answer:
How much lighter would a human be if we had hollow bones like in birds? about 10% lighter. most of our weight is muscle (water) and fat. bones are only about 20% of our body weight.
Explanation:
so no they are actually much lighter
Answer:
The large bones in our body are also hollow, which makes them strong so they can support more weight, but light, so it takes less energy to move them.
Hope my answer helped! Happy Holidays!
Explanation:
Which serves as a shell or skeleton for plant 
Answers
why are they called amino acids?
Answers
Answer:
You stated why it is called an amino acid, the name comes from the amine (amino) and the carboxylic acid (carboxyl group). Amines are weak bases, so the acid portion of the name must come from the carboxylic acid
Explanation:
hope it will help you
One out of every hundred people of the Hopi Indian tribe inherits the autosomal recessive disease Glucose-6-phosphate deficiency. How many people in the population of six million are carriers of this disease?
Answers
Following the Hardy-Weinberg equilibrium theory, in a population of six million people, 1,080,000 individuals are healthy and carriers (heterozygous) for the trait.
What is the Hardy Weinberg equilibrium?The Hardy-Weinberg equilibrium is a theory that states that populations in equilibrium get the same allelic and genotypic frequencies generation after generation.
These populations do not evolve. No evolutive forces are acting on them.
Assuming a diallelic gene, frequencies are
Allelic frequencies
p is the dominant allele frequencyq is the recessive allele frequencyGenotypic frequencies
p² is the frequency of the homozygous dominant individualsq² is the frequency of the homozygous recessive individuals2pq is the frequency of heterozygous individuals
In a population in equilibrium,
p + q = 1p² + 2pq + q² = 1We will consider these equations to solve the problem.
Glucose-6-phosphate deficiency is an autosomal recessive disease.One out of every hundred people of the affection. So this is the homozygous recessive genotypic frequency.Because we have the frequency of the homozygous recessive genotype, we can get the allelic frequency.
q² = 1/100 = 0.01q = √q² = √0.01 = 0.1Now, by clearing the equation p + q = 1, we can get the dominant allele frequency. And then, the frequency of the homozygous dominant genotype.
p = 1 - 0.1 = 0.9p² = 0.9² = 0.81Finally, we can get the frequency of the heterozygous genotype
2pq = 2 * 0.9 * 0.1 = 0.18The number of individuals with each phenotype in the population is,
0.81 * 6,000,000 = 4,860,000 individuals are healthy not carrier0.18 * 6,000,000 = 1,080,000 individuals are healthy carriers. 0.01 * 6,000,000 = 60,000 individuals have the disease.In a population of six million people, 1,080,000 individuals are healthy and carriers (heterozygous) for the trait.
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Which is the modified segment of eye?
Answers
The cornea is the modified segment of the eye. The modified segment of the eye is the cornea, a convex transparent structure located at the front of the eye. It's made up of a single layer of cells that don't contain any blood vessels.
The cornea refracts, or bends, light as it enters the eye, and the iris and lens then focus it onto the retina for interpretation by the brain. The cornea is involved in vision by acting as the first layer to bend light so that it can focus on the retina. When the cornea is damaged or altered in any way, the outcome can be vision loss.The cornea is the transparent, dome-shaped front part of the eye that covers the iris, pupil, and anterior chamber. It plays a crucial role in the visual system by focusing light onto the retina at the back of the eye.
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oxygen is formed during photosynthesis as a waste product after________is split into_________ions and oxygen. The oxygen is realeased into the ___________.
Answers
Oxygen is formed during photosynthesis as a waste product after water is split into hydrogen ions and oxygen. The oxygen is released into the atmosphere.
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize food with the help of chlorophyll. During photosynthesis, plants absorb water from the soil through their roots, and carbon dioxide from the air through small pores called stomata.Using energy from sunlight, the chlorophyll in the plant cells convert these raw materials into glucose, a type of sugar that plants use as food.
One of the byproducts of photosynthesis is oxygen. Oxygen is produced during the light-dependent reactions of photosynthesis, where water molecules are split into hydrogen ions and oxygen atoms using the energy from sunlight. The oxygen atoms combine to form O2, which is then released into the atmosphere as a waste product.
The release of oxygen during photosynthesis is crucial for life on Earth. Oxygen is essential for the survival of most living organisms, as it is required for respiration.
Respiration is the process by which living cells convert glucose and oxygen into energy, water, and carbon dioxide. Without oxygen, most living organisms, including humans, would not be able to survive.
In summary, oxygen is produced as a byproduct during the process of photosynthesis, where it is released into the atmosphere as waste. This process is essential for the survival of most living organisms, as oxygen is required for respiration.
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How are gymnosperm seeds and angiosperm seeds different?
Answers
Answer:
angiosperms have seeds that are closed within an ovary, gymnosperms have no flowers or fruits, and have unenclosed seeds on the surface of scales or leaves
Do you think the unofficial titles of some eras (i.e., Age of Fishes, Age of Reptiles,
Age of Mammals) are informative or an oversimplification? Explain your reasoning.
with alternative unofficial titles based on what you have learned about
Come up
each era
Answers
The unofficial titles of some eras such as Age of Fishes, Age of Reptiles and Age of Mammals are really informative and they are not oversimplifications because these periods reflect the emergence of different taxonomic groups in the course of evolution.
What are animal eras?The animal eras are periods during the geological time in which certain groups of animals appeared in the course of evolution, which results informative to determine how evolution (change) occurred due to natural selection.
For example, mammals emerged as a taxonomic group during the Cenozoic Era, which occurred approximately 65 million years ago and this period is known as the Age of mammals.
Therefore, with this data, we can see that an animal era is not only an oversimplified term because it also involves the emergence of certain taxonomic groups during the evolution and can serve to contextualize geological periods in a biological framework.
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Which organelle that plays a central role in the transport of new molecules from inside to outside the cell?
Answers
Answer:
The Golgi apparatus plays a central role in molecular transport after biosynthesis.
Explanation:
Transcription occurs in the nucleus during protein synthesis, followed by translation inside ribosomes. Then, new molecules join the endoplasmic reticulum to be folded and modified. In the Golgi, they are tagged and separated into lysosomes for export outside the cell.
The Golgi system comprises of several regions known as cisternae; they act as independent microenvironments where products requiring their own unique conditions are converted into new, stable biomolecules.
Explain how a moderate
increase in (1) light and (2) carbon dioxide could
affect photosynthesis in a desert plant. Address
both conditions for full credit.
Answers
Answer:
1) Moderate increase in light increases the photosynthetic rate
2) Moderate increase in CO2 increases the photosynthetic rate
Explanation:
Photosynthesis is a metabolic process unique to the cells of autotrophic organisms such as green plants. It is the process whereby they synthesize their food in form of sugars (glucose) in the presence of sunlight energy.
The photosynthetic process, although comprises of several reactions and processes, is generally described as the reaction of carbon dioxide, water and light to give glucose and oxygen gas as products. The general equation is as follows:
6CO2 + 6H2O + light → C6H12O6 + 6O2
Since both light (needed to supply energy) and CO2 (carbon source) are reactants of the photosynthetic process, a MODERATE INCREASE in them will INCREASE THE RATE AT WHICH PHOTOSYNTHESIS OCCURS.
Advantages of seed development
Answers
Answer:
The advantages of seed development include increased crop yields, improved disease resistance, and enhanced nutritional content.
Seed development in plants provides several advantages, including protection and dispersal of offspring, dormancy for survival in unfavorable conditions, and a nutrient-rich food source for germination and early growth.
Seed development in plants offers various advantages that contribute to their reproductive success and survival.
One key advantage is the protection and dispersal of offspring. Seeds are enclosed within a protective seed coat, which shields the embryo from external threats such as desiccation, mechanical damage, and predation. Additionally, seeds have adaptations for dispersal, allowing them to spread over a wider range and colonize new habitats.Another advantage is dormancy. Seeds can enter a state of dormancy, remaining inactive until conditions become favorable for germination and growth.This allows plants to survive through periods of unfavorable environmental conditions such as drought, extreme temperatures, or lack of sunlight. Dormancy also enables seeds to delay germination until suitable resources and conditions for growth are available.
Furthermore, seeds serve as a nutrient-rich food source for the developing embryo. They contain stored reserves of carbohydrates, proteins, and lipids that provide energy and nutrients for germination and early growth when the seedling is not yet photosynthetically active.In summary, seed development in plants provides advantages such as protection and dispersal of offspring, dormancy for survival during unfavorable conditions, and a nutrient supply for early growth and development. These traits contribute to the reproductive success and resilience of plants in diverse environments.
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Would you use an observational, experimental, or modeling approach to study a rare, endangered bird species
Answers
Answer:
The correct answer would be - observational approach.
Explanation:
Observation approach is the research technique that involves the observation of the subject or participates behavior in their natural habitat or state. This will be one of best approach to study.
Similarly when characterizing new findings various aspect of experimental, Observational details or modelling approaches will help in identification , classification and nomenclature. However, in comparison to experimental and modeling approach is more appropriate method for the rare endangered species.
Thus, the correct answer would be - observational approach.
The mechanical advantage of a machine is the number of times it a. multiplies the resistance force. b. multiplies the effort force. c. changes the direction of the effort force. d. changes the direction of the resistance force.
Answers
The force or speed of a machine is multiplied by its mechanical advantage. It is a figure (without units) that indicates how many times the apparatus multiplies a force (or speed). I. M. A. An ideal machine's mechanical advantage is the optimal mechanical advantage. Thus option A is correct.
What is the mechanical advantage of a machine?The ratio of load to effort is referred to as a machine's mechanical advantage. The efficiency of a machine is due to its mechanical advantage. Effort/Load = Mechanical Advantage. The mechanical advantage M A is equal to F 0 F I where F 0 is the output force and F I is the input force.
Therefore, multiplies the resistance force.
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Can you fill in the blanks?
Answers
Punnett squares are used to get the probabilities of getting offspring with certain genotypes and phenotypes. 1) Parents' genotype: Chewbacca ⇒ Bb, Sussiebacca ⇒ bb. 2) The chances of a child born with brown hair are 50%. 3) The chances of a child born with red hair are 50%
What is a Punnett square?
The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example
Chewbacca ⇒ brown hair ⇒ heterozygous Sussiebacca ⇒ red hair Allele B codes for brown hairAllele b codes for red hairCross) Chewbacca with Sussiebacca
Parentals) Bb x bb
Gametes) B b b b
Punnett square) B b
b Bb bb
b Bb bb
F1) 1/2 = 50% of the progeny is expected to be heterozygous and have brown hair.
1/2 = 50% of the progeny is expected to be homozygous recessive and have red hair.
1) Parents' genotype:
Chewbacca ⇒ BbSussiebacca ⇒ bb2) The chances of a child born with brown hair are 50%
3) The chances of a child born with red hair are 50%
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On average, which of the following areas receives the least amount of precipitation?
Answers
Answer:
savanna
Explanation:
i think so
The picture below shows flowers on a tomato plant.
Lacy wants to design an experiment that will show which part of a tomato flower grows into the tomato fruit. What measurement could she make to study how the fruit grows?
Answers
Lacy wants to design an experiment that will show ovary part of a tomato flower grows into the tomato fruit.
What is ovary for plant?The female reproductive organ present in flowering plants is the ovary. It is present in the flower's gynoecium. It is a portion of the pistil that holds the ovules and is located near the base of the sepals and petals. A single carpel or numerous carpels joined together can form the pistil.
Ovaries, as we know, are an essential component of the plant's female reproductive system. Well, the ovaries are where pollen is kept before developing into ovules and ultimately seeds. These seeds then germinate, causing the ovaries to grow and convert into fruits.
Even though the blooms are self-fertile, the pollen is nevertheless moved to the female half of the blossom by wind and the buzzing of bees' wings. The young tomato grows after fertilization, when the petals and stamens fall off.
So, Lacy will show ovary part of a tomato flower grows into the tomato fruit.
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What “ingredient” is part of photosynthesis, but not part of the chemical equation?
Answers
Answer:Carbon, hydrogen, and oxygen are the chemical ingredients necessary for photosynthesis to take place. Hydrogen and oxygen both come from the water in the hydrosphere. Carbon and oxygen come from the carbon dioxide that animals and humans breathe into the atmosphere. Although it is not a chemical ingredient, without energy from the sun, none of this process could occur. (hope it helps-
Explanation:
How do plant leaf cells and animal cells differ in their metabolic capabilities?
Answers
Answer:
Explanation:
Plant leaf cells and animal cells differ in their metabolic capabilities due to the presence of different organelles. Both plant and animal cells have mitochondria, which break down sugar to make energy for the cell. However, only plant cells have chloroplasts, which are necessary for photosynthesis. During photosynthesis, plants use sunlight to make sugar from carbon dioxide and water
A difficulty in fossil comparisons is that the fossil may be from: a large plant or animal an old plant or animal an extinct plant or animal
Answers
Answer:
an extinct plant or animal
Explanation:
Fossils of an animal or plant refers to its preserved or mineralized remains. Fossils have proven to be an integral part of tracing life back. Among the very many usefulness of keeping fossil records of plant and animals, one of them is discovering the evolutionary relationships between these organisms.
Fossils of plants or animals are compared with that of a present organism to discover how related they are. However, a difficulty that arises during this comparative procedure is that the fossils about to be compared may be from an extinct plant or animal.
Answer:
an extinct plant or animal
If we wanted to specifically restore a portion of a river to make it a better spawning habitat for salmon, what do managers need to consider on:
Small/short scales of space/time?
Large/long scales of space/time?
Answers
To specifically restore a portion of a river to make it a better spawning habitat for salmon, the managers need to consider on Small/short scales of space/time:
River morphology.Water quality.Benthic habitat.Flow regimeconsideration on Large/long scales of space/time:
Land use practices.Climate change.Long-term monitoring.CollaborationOn small/short scales of space and time, managers need to consider the following factors when restoring a portion of a river to make it a better spawning habitat for salmon:River morphology: The shape, structure, and flow of the river can impact the suitability of the habitat for salmon. Managers need to assess the current state of the river and determine if changes are necessary to improve habitat quality.Water quality: Salmon need clean, cool, and well-oxygenated water to thrive. Managers need to monitor and address any water quality issues that may impact the health of salmon, such as excessive nutrients, pollutants, or changes in temperature.Benthic habitat: The type and quality of the substrate (i.e., river bottom) in the river can impact the ability of salmon to lay their eggs. Managers need to assess the current benthic habitat and determine if changes are necessary to improve it.Flow regime: The timing, frequency, and magnitude of river flows can impact the ability of salmon to access suitable spawning habitats. Managers need to assess the current flow regime and determine if changes are necessary to improve habitat quality.On large/long scales of space and time, managers need to consider the following additional factors:
Land use practices: Land use practices in the watershed can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the impact of activities such as agriculture, urbanization, and resource extraction on the river and determine if changes are necessary to improve habitat quality.Climate change: Climate change can impact the water quality, flow regime, and benthic habitat of the river. Managers need to consider the potential impacts of climate change and plan accordingly to ensure that the habitat remains suitable for salmon in the future.Long-term monitoring: Managers need to implement long-term monitoring programs to assess the effectiveness of the restoration efforts and make any necessary adjustments over time.Collaboration: Restoring a portion of a river to make it a better spawning habitat for salmon can be a complex and expensive process that requires collaboration among multiple stakeholders, including government agencies, private organizations, and local communities. Managers need to build partnerships and develop a shared vision for the future of the river to ensure that the restoration is successful.
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prepare a question aire to know about interdependence between the biotic and abiotic component
Answers
Answer: The biotic components of the environment are the living which beings that interact with the abiotic component of the environment. Abiotic components are non-living like air, water, soil, atmosphere, and others. The biotic components require abiotic components for their survival and the abiotic components get recycled due to the utilization by the living beings.
Explanation:
Questionnaire that can be related with the interdependence of the biotic and abiotic component:
1. How abiotic components are related to biotic components?
2. How abiotic components affect the functioning and survival of the biotic components?
3. What will be the impact on biotic components if all the abiotic factors are removed from their surrounding environment?
4. How water cycle gets disturbed due to deforestation?
5. How carbon cycle gets affected by the deforestation and pollution increases in the region of deforestation?
Name the two glands that control the nervous system.
Answers
Answer:
pituitary and adrenal
If you were testing how well different dish soaps cleaned grease, the independent variable would be the
Answers
dish soap because a variable (often denoted by x ) whose variation does not depend on that of another.