Answer:
1. functions
2. regulating
3. code
4. proteins
5. unknown
6. junk
7. inheritance
DNA is an incredibly long molecule that serves many functions in our cells. Some parts of DNA are used for regulating how the cell behaves, while other parts are used to code for proteins. Much of the DNA had unknown functions until recently, and scientist used to call the unknown genes junk DNA. All of the information stored in DNA has been passed between generations through inheritance.
Which substance is an organic molecule made during photosynthesis.
The substance that is an organic molecule made during photosynthesis is glucose.
During photosynthesis, plants and some other organisms convert sunlight, carbon dioxide, and water into glucose, which is an organic molecule. Here's a step-by-step breakdown of the process:
1. Sunlight is absorbed by pigments, such as chlorophyll, present in the chloroplasts of plant cells.
2. The absorbed sunlight energy is used to initiate a series of chemical reactions in the chloroplasts.
3. Carbon dioxide is obtained from the atmosphere and enters the plant through tiny openings called stomata, primarily located on the undersides of leaves.
4. Inside the chloroplasts, carbon dioxide undergoes a series of reactions collectively known as the Calvin cycle or the dark reactions.
5. During the Calvin cycle, energy from sunlight is used to convert carbon dioxide molecules into a three-carbon sugar molecule called glyceraldehyde-3-phosphate (G3P).
6. Some of the G3P molecules are then converted into glucose, a six-carbon sugar molecule, through additional enzymatic reactions.
7. Glucose serves as the primary energy source for plants, which they use for various metabolic processes and growth.
8. Excess glucose can also be converted into other organic molecules, such as starch or cellulose, for storage or structural purposes.
In summary, glucose is the organic molecule made during photosynthesis, and it plays a crucial role in providing energy and building blocks for plant growth and development.
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Which class is a lever with the fulcrum located between the effort and resistance?
A class 1 lever has the fulcrum positioned between the effort and resistance, allowing for the amplification of force or the achievement of balance.
The class of lever with the fulcrum located between the effort and resistance is called a class 1 lever. In this type of lever, the fulcrum is positioned in the middle, with the effort applied on one side and the resistance on the other. Class 1 levers are commonly seen in tools such as seesaws and crowbars. They can be used to amplify force or achieve balance. When the effort is applied closer to the fulcrum than the resistance, a mechanical advantage is gained, allowing a smaller effort to move a larger resistance. On the other hand, if the effort is applied farther from the fulcrum, a mechanical disadvantage is created, requiring a larger effort to move a smaller resistance.For more questions on force
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Which blood type would not be possible for children of a type AB mother and a type A father?
a. Type A
b. Type B
c. Type O
d. Type AB
Answer:
c. O
because no parent has o in their blood.
Explanation:
HELPPPPPP PLEASEEEEE ILL GIVE BRAINLIEST AND POINTS!!!!
(you dont need to answer them all but at least help me with a couple)
1) Explain Uganda’s ABC program in the fight against HIV/AIDS
2) Why has the Ugandan government pushed Abstinence as a means of combating the spread of HIV/AIDS?
3) What risks are involved with the use of condoms in combating the spread of HIV/AIDS?
4) On a separate piece of paper, construct a population pyramid to illustrate the current age groups infected by HIV/AIDS in Uganda.
Answer:
1. Abstain, Be faithful, or, as a last resort, use a Condom. Within a few years, Uganda had developed what researchers call a "social vaccine" against HIV: cultural norms about sexual responsibility, preached in clinics and public schools, as well as churches and mosques.
3.When used correctly every time you have sex, condoms are the best way to prevent sexually transmitted infections such as HIV. They have a very low failure rate and are effective for all forms of sex.
HELP ME ASP A scientific theory....
Question 3 options:
Holds the highest level of acceptance
Explains a number of facts
Uses specific hypotheses and descriptive laws that have been well-tested
All of the above
Answer:D
Explanation:
List the medical term for this definition: Abnormal condition of stiffness in the joints.
The medical term for the definition "abnormal condition of stiffness in the joints" is "ankylosis."
1. Abnormal: The term "abnormal" refers to something that deviates from the normal or usual state.
2. Condition: In medical terminology, "condition" is used to describe the state or situation of a specific aspect of health.
3. Stiffness: Stiffness indicates the lack of ease or flexibility in movement or the resistance to motion in joints.
4. Joints: Joints are the connections between bones that allow movement and flexibility in the body.
5. Putting it all together: Combining these terms, the medical term that describes an abnormal condition of stiffness in the joints is called "ankylosis."
Ankylosis is a term used to describe a pathological condition characterized by the abnormal adhesion and rigidity of the joints. It is often associated with conditions such as rheumatoid arthritis, osteoarthritis, and other inflammatory joint diseases. Ankylosis can lead to restricted movement and loss of function in the affected joints. Treatment options for ankylosis aim to manage the underlying cause, reduce inflammation, and improve joint mobility. Physical therapy, medications, and in severe cases, surgical interventions may be recommended to alleviate the symptoms and restore joint function. It is important for individuals experiencing joint stiffness or limited mobility to seek medical attention for an accurate diagnosis and appropriate management of the underlying condition causing the ankylosis.
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5. An insect population grows exponentially until an early winter freeze kills almost all the insects the next spring population
grows exponentially again this type of population growth is known as
A. rolling curve.
B. boom and bust.
O C. population boom.
D. exploding population.
Answer:
The answer to this question is B
In the lab, you isolate a mutant strain of bacteria in which the phosphatase that would normally dephosphorylate NtrC-P is defective. Assuming the levels of NtrB and NtrC protein remain normal (same as wild type), what is the expected phenotype of this mutant
Answer:
GlnA will be overexpressed and the cells will have more glutamine than glutamate
Explanation:
Glutamine synthetase (glnA) is an enzyme involved in nitrogen metabolism that catalyzes the amidation of glutamate to glutamine. Moreover, the phosphorylated form of the NtrC response regulator protein (NtrC~P) acts as a transcriptional activator of genes associated with nitrogen metabolism, including glnA. NtrC~P exhibits 1-an enhanced DNA binding activity (increased oligomerization on the target DNA template) and 2-ATPase activity (oligomerization of the NtrC phosphoprotein), which are fundamental features for transcriptional activation. In consequence, it is expected that a higher level of NtrC~P (due to a defective form of the phosphatase that dephosphorylates NtrC~P) leads to the overexpression of glnA, thereby increasing glutamine levels and simultaneously decreasing glutamate concentration.
How is a punnett square done differently for a sex linked trait such as hemophilia?
Answer:
Punnett square is a tool used to predict the probability of offspring inheriting certain traits based on the parents' genotypes. When it comes to sex-linked traits, such as hemophilia, the inheritance pattern is different from other traits. Hemophilia is caused by a mutation on the X chromosome and is therefore a sex-linked recessive trait.
To create a Punnett square for a sex-linked trait like hemophilia, the following steps can be taken:
Determine the genotypes of the parents: In humans, females have two X chromosomes (XX), and males have one X and one Y chromosome (XY). For example, if the mother is a carrier for hemophilia (XH Xh) and the father does not have hemophilia (XY), their genotypes would be XH Xh and XY, respectively.
Write the parents' gametes: Gametes are sex cells that carry half the genetic information of the parent. The mother's gametes would be XH and Xh, and the father's gametes would be X and Y.
Create the Punnett square: In a typical Punnett square, you would place the possible gametes of one parent along the top and the other parent along the side. However, since hemophilia is a sex-linked trait, you only need to place the mother's gametes along the top of the square, and the father's sex chromosomes along the side.
XH Xh
Y XY XHY XhY
X XHX XhX XX
Determine the possible offspring: Once the Punnett square is completed, you can determine the possible offspring's genotype and phenotype. In the case of hemophilia, males only need one copy of the X-linked gene to express the trait. Therefore, any male offspring with an Xh allele will have hemophilia, while females need two copies of the X-linked gene to express the trait. Females with one Xh allele are carriers and do not show symptoms.
By following these steps, you can use the Punnett square to predict the probability of offspring inheriting hemophilia.
Explanation:
Answer:
Based on the Punnett square, there is a 50% probability that the children will have hemophilia. For the female offspring, the possible genotypes are XH,Xh X H , X h (carrier) and Xh,Xh X h , X h (hemophiliac). For the male offspring, the possible genotypes are XH,Y X H , Y (no disease) and Xh,Y X h , Y (hemophiliac).
Which situation is most likely to result in speciation?
Responses
Two populations live in very similar environments.
Migration occurs frequently between two populations.
Two populations become genetically isolated. Correct
Two populations regularly interbreed.
Explanation:
The situation that is most likely to result in speciation is when two populations become genetically isolated. When genetic isolation occurs, the two populations will undergo independent genetic changes, and over time, they may become so different that they can no longer interbreed and produce viable offspring. This can lead to the formation of two distinct species.
The other options mentioned are less likely to result in speciation. If two populations live in very similar environments, they may continue to interbreed and exchange genetic material, which would not result in speciation. Similarly, frequent migration between two populations would result in gene flow, which would prevent genetic differentiation and the evolution of distinct species. If two populations regularly interbreed, they will continue to exchange genetic material and may not diverge enough to become separate species.
Answer:
You are right, it is C!
Explanation:
Took the k12 quiz :)
Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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How many layers are in a gram positive cell wall and how many are in a gram negative cell wall ?
The cell wall of gram-negative bacteria is thin (approximately only 10 nanometers in thickness), and is typically comprised of only two to five layers of peptidoglycan, depending on the growth stage. In gram-positive bacteria, the cell wall is much thicker (20 to 40 nanometers thick).
Match the types of roots to their properties. a root that is conical in shape and develops from the radicle a root that develops like a tuft of hair like roots and is short-lived a root that grows from plant parts other than roots a root that grows from branches to the ground a root that grow out of the soil adventitious root arrowRight pneumatophores arrowRight tap root arrowRight fibrous root arrowRight prop root arrowRight
Answer:
adventitious root ➡ a root that grows from plant parts other than roots
pneumatophores ➡ a root that grow out of the soil
tap root ➡ a root that is conical in shape and develops from the radicle.
fibrous root ➡ a root that develops like a tuft of hair like roots and is short-lived.
prop root ➡ a root that grows from branches to the ground
Explanation:
Adventitious roots are known to be roots that grow from a tree organ other than the root. The growth can be from the stem or leaf of that tree. This root makes it possible for vegetative propagation of plants to take place through stem or leaf cuttings. It can seen on rhizomes, corms, and tubers.
Pneumatophores are roots that grow out of the soil. They grow in saline mud and grow upward out of the mud and water. These type of root system are found in mangrove species. A tap root system is formed when the radical keeps growing and some other roots form along the tap root. They are conical in shape too.
steps of photosynthesis
Answer:
The Six stepls of Photosynthesis
1. When Leaves open their pores which is known as stomata.
2. Sunlight enters in the leaves through open pores.
3. Sunlight absorbed minerals from Carbon dioxide and water.
4. Absorbed minerals converted into glucose.
5. Glucose will change in green color pigment known as cholorophyll.
6. This process may also convert carbon dioxide into oxygen.
Which of the following skills are involved in interpreting the sensory impressions that reach the brain? Select all that apply.
visual perception, auditory perception
visual perception, auditory perception are involved in interpreting the sensory impressions that reach the brain.
Visual perception is the capacity to make sense of the world by employing light in the visible spectrum reflected by objects in the environment, including photopic vision (daytime vision), colour vision, scotopic vision (night vision), and mesopic vision (twilight vision). This is distinct from visual acuity, which is the measure of how sharply one can see (for instance, "20/20 vision"). Even if they have 20/20 vision, a person can still experience difficulties processing visual information.
The ability to receive sounds through an organ, such as the ear, by detecting vibrations as periodic changes in the pressure of an environment is known as hearing or auditory perception. The study of hearing is known as auditory science. Any material, whether solid, liquid, or gaseous, can carry sound. It belongs to the conventional set of five senses. Hearing loss refers to a partial or complete loss of hearing.
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In a particular population, the allele frequency of the ABO blood type alleles are as follows: IA is 20%, IB is 30% and i is 50%. If mating is random and the population is in Hardy-Weinberg equilibrium, what percentage of the population will have type O blood type
Answer:
The genotypic frequency F(ii) = 0.25 = 25%
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
In the blood type cases involving the ABO group, the type of inheritance here is the co-dominance type of inheritance
The percentage of the population with type O blood will be 25%
Type A (IA) is dominant to type O (i) and at the same time type B (IB) is also dominant to type O (i).Using the equation - p² + 2pq + q² + 2pr + r² + 2qr = 1Where p² indicates the genotypic frequency with type A (AA) blood and q² indicates genotypic frequency of BB and r² indicates the genotypic frequency of OO.Since we are finding the percentage with type O blood (r²) where r (allelic frequency of type O) is 0.5 (50%)
r² = 0.5² = 0.25 = 25%.
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Nitrogen is a very important element in biology. What are some of the reasons that organisnm needs nitrogen?
Answer:
Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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Name the two glands that control the nervous system.
Answer:
pituitary and adrenal
In a plant in which fuzzy leaves (f) are dominant over smooth leaves (), which of the following crosses will produce only offspring with smooth leaves.
a. ff x ff
b. ft x ff
c. ft * ft
d. FF * FF
Answer:
a
Explanation:
ff x ff is the cross that will produce only offspring with smooth leaves.
What is cross?Cross means breeding of parents to produce offspring.
What is produce?Produce means to generate.
What is offspring?Offspring is the product of a cross.
f is the recessive allele of smooth leaves whereas F is the dominant allele of fuzzy leaves.
So the cross ff will give all smooth leaves where as FF will give all fuzzy leaves.
Hence the correct option is (a).
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As a result of your Zombie Apocalypse, the grass at a local park will no longer be mowed. What type of succession is this (primary or secondary)? Describe the stages of succession that will occur in the next 100 years.
What type of succession is this depicting?
Secondary succession is the kind of succession that might develop in a neighborhood park after the Zombie Apocalypse if the grass wasn't cut anymore and pioneer species would first colonize the bare soil.
Thus, pioneer species like weeds and grasses would colonize the bare soil and disturbed regions in the initial stage of secondary succession. These species can swiftly adapt to a new habitat since they are frequently resilient and rapidly developing.
In secondary succession, the pioneer species are the early settlers multiply and spread, the soil conditions become more stable and draw in additional species like shrubs and tiny trees. These animals are modifying the environment in a way that makes it possible for bigger and more diversified populations of creatures to live in more complicated settings.
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Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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describe thermal energy in your own words
Answer:
Due to the movement of particles within that object or system, thermal energy is energy owned by an object or a system. ... The result of thermal energy is that an object or system has a temperature that can be measured. Thermal energy can be transferred in the form of heat from one object or system to another.
Explanation:
Question 7
1 pts
Students have been assigned to write reports on cell organelles. Eric's report is about the organelle that supports and gives structure to plant cells. Which organelle is Eric writing about?
O cell wall
cell membrane
cytoplasm
O nucleus
D
4) This diagram shows a food chain from a desert ecosystem in Arizona. The arrows show
how the matter eaten by organisms moves through the food chain.
western
diamondback
rattlesnake
Select each organism below that is a primary consumer in this food chain.
brittlebush
pallid-winged
grasshopper
ubmit
brittlebush
grasshopper mouse
red-tailed hawk
grasshopper
mouse
pallid-winged
grasshopper
red-talled
hawk
western diamondback
rattlesnake
Question
answere
28
Time
elapsed
PAUSE
Challeng
Stage 3 of
Get 5 corred
in a row
The primary consumers in the food chain are the organisms that eat the producers, which in this case are the brittlebushes. The primary consumers are the pallid-winged grasshoppers.
The other organisms in the food chain are secondary consumers (grasshopper mouse), tertiary consumers (red-tailed hawk), and apex predators (western diamondback rattlesnake).
Here is a diagram of the food chain with the primary consumers highlighted in green:
brittlebush (producer)
----------------------->
pallid-winged grasshopper (primary consumer)
----------------------->
grasshopper mouse (secondary consumer)
----------------------->
red-tailed hawk (tertiary consumer)
----------------------->
western diamondback rattlesnake (apex predator)
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List and explain FIVE (5) uses of the beta-amylase enzyme.
The FIVE (5) uses of the beta-amylase enzyme include;
.β-Amylase is used in the mashing and brewing process. It produces enough maltose, which is the most important fermentable sugar.
.It is used in the production of malt and beer as an additive in foodstuff.β-Amylase at controlled temperature breaks down starch into maltose, dextrins, oligosaccharides, and glucose molecules.
.β-Amylase is utilized in the production of maltose-rich syrup.
.It is used as a sweetener in food and pharmaceuticals due to its mild sweetness and lack of color formation.
. β-Amylases also slow down starch retrogradation, thus maintaining the quality of bread and preventing it from drying.
What is a β-Amylase enzyme?
This enzyme speeds up the hydrolysis of the second α-1,4 glycosidic bond, cleaving off two glucose units (maltose) at a time acts . They act on starch, glycogen, and other polysaccharides and oligosaccharides to give tt-maltose by an inversion.
Beta-amylase can be seen in bacteria, fungi, plants, bacteria, and cereals. During the ripening of fruit, β-amylase disintegrates starch into maltose, giving rise to the sweet flavor of ripe fruit.
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The difference between active transport and passive transport is that a. concentration gradients are involved in one and not in the other. b. glycolipids play a role in one and not in the other. c. one requires expenditure of energy by the cell and the other does not. d. ions are transported into and out of the cell by one process and not by the other.
Answer:
D) ions are transported into and out of the cell by one process and not by the other
Competition for resources can be particularly fierce when there are environmental stresses. These stresses can be caused by natural events leading to competition. List the FIVE categories of natural events.
Answer:
Avalanche.
Coastal Flooding.
Cold Wave.
Drought.
Earthquake.
Hail.
Pick any of these that you want to use
Body Systems
Which body system
transports oxygen and
nutrients to the body and
aids in the removal of
carbon dioxide and other
waste products?
Answer:
it would be The circulatory system
Explanation:
because it said transports oxygen and it the circulatory carry blood away towards the heart.
An oak tree produces thousands of acorns, but very few grow into mature oak trees. The oak tree exhibits a _____ survivorship curve.
A) Type I
B) Type II
C) Type III
D) Type I or II
E) Type I or III
Many of the hundreds of acorns an oak tree produces do not mature into oak trees. The type III survivorship curve of the oak tree is seen.
Acorns are only produced by oak trees once a year in the fall. Annual acorn production varies and typically alternates. Even the healthiest and most giant oak cannot store enough nutrients and energy to grow robust crops for two years. Acorn productions that are strong could occur every four to ten years. A late spring frost can also damage the blossoms, which stops the formation of acorns. Bug attacks and droughts can destroy crops. Red acorns will be available as food for longer than white acorns since red acorns lie dormant for months rather than just a few days like white acorns. Wildlife will switch to the red-oak group's nuts when the white types are gone in the winter and into the spring.
Hence, the oak tree exhibits a type III survivorship curve.
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