Answer:chloroplasts
Explanation:That would be the chloroplasts and it is also only found in plants
Physiological adaptations in organisms are slow to develop and do not cause a Change in the organism true or false
Answer:
The answer is B.
Explanation:
if you divide 10 divided by 2 it gives you 5 and then subtract it by 2.2 = 2.8
there goes your answer.
What are all possible gametes that can be produced by an individual with the following genotype: FFG Multiple Choice a) Fg. fG
b) FG, Fg. fG. fg c) FG,Fg
d) Fg
e) FF. Gg
The possible gametes that can be produced by an individual with the genotype FFG are FG and Fg. The correct option to this question is B.
The FFG genotype represents a heterozygous condition for two different genes, where F and G are alleles of one gene and f is the allele of another gene.
During meiosis, the homologous chromosomes separate, and the alleles segregate into different gametes.
Since the individual has one F allele and one G allele, the possible gametes that can be formed are FG and Fg.
Therefore, the correct answer is c) FG, Fg, as they are the possible gametes that can be produced by an individual with the genotype FFG.
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generations of scientists have debated whether the neandertals were ancestral to modern europeans (in other words, whether or not modern europeans came from neandertals). the current prevailing view, which denies that ancestry, proposes instead that
There is some evidence of interbreeding, it is thought to have been limited and not enough to significantly contribute to the modern human genome.
The prevailing view is that modern Europeans did not come from Neandertals. This view is based on the fact that the fossil records of Neandertals and modern Europeans do not show a direct line of descent. Instead, they suggest that modern Europeans are descended from the first Homo sapiens, who migrated out of Africa into Europe sometime around 40,000 to 45,000 years ago. While Neandertals and Homo sapiens did interbreed, there is no evidence that any of the Neandertal genes remain in modern Europeans. In short, modern Europeans are not descendants of Neandertals.
Generations of scientists have debated whether the Neanderthals were ancestral to modern Europeans. However, the current view is that this is not the case. Instead, the prevailing view proposes that modern humans evolved from a common ancestor that existed in Africa. This ancestor then migrated out of Africa and eventually replaced other hominids, such as Neanderthals, in Europe and Asia. The denial of Neanderthal ancestry is based on genetic evidence. Studies have shown that Neanderthals are genetically distinct from modern humans, suggesting that they did not interbreed extensively.
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the innermost membrane of the chloroplast is referred to as the
Answer:
The innermost matrix of chloroplasts, called the stroma,
Help please!! We have been up for like 2 hours and this is our last questions!!
Answer:
Similarity: Both exocytosis and endocytosis are in the process of transporting huge molecules, a makeup of different atoms, across the membrane using a vesicle and needs energy.
Difference: Endocytosis brings materials into the cell, while exocytosis takes materials out.
Explanation:
Which level of organization below is the most complex component of a multicellular organism? *
Heart
Brain
Skin cells
Reproductive system
Answer:
Reproductive system, I believe because system levels are above organ levels complex-wise.
Explanation:
Answer:
Brain
Explanation:
the blood brain barrier is the protective mechanism that helps
The blood-brain barrier is a protective mechanism in the body that helps maintain the stability of the brain's internal environment. It is a specialized structure formed by a layer of endothelial cells that line the blood vessels in the brain.
The blood-brain barrier acts as a highly selective barrier, allowing only certain substances to pass from the bloodstream into the brain tissue while blocking the entry of harmful substances, toxins, and pathogens.
It tightly regulates the transport of nutrients, ions, and other molecules necessary for brain function while preventing the passage of potentially damaging substances.
This selective permeability of the blood-brain barrier helps protect the brain from fluctuations in the levels of various substances in the bloodstream and maintains a stable and optimal environment for proper brain function.
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changes to the joint during osteoarthritis can typically include all of the following except:
a. widening of the joint space
b. articular cartilage wears away
c. formation of bone spurs
d. synovial membrane thickens
Option A.. widening of the joint space. In osteoarthritis, the joint space typically narrows rather than widens.
Osteoarthritis is a degenerative joint disease characterized by the breakdown of cartilage, which leads to changes in the affected joint. The most common joints affected by osteoarthritis include the knees, hips, hands, and spine.
One of the primary changes that occur in osteoarthritis is the gradual wearing away of the articular cartilage, the smooth tissue that covers the ends of bones in a joint. As the cartilage deteriorates, the joint loses its ability to absorb shock and provide smooth movement, leading to pain, stiffness, and limited mobility.
Another common change is the formation of bone spurs, also known as osteophytes. These are bony outgrowths that develop around the edges of the joint. They are the body's attempt to stabilize the joint and compensate for the loss of cartilage. However, bone spurs can contribute to pain and further joint damage.
Additionally, the synovial membrane, which lines the joint capsule and produces synovial fluid, may undergo changes in osteoarthritis. It can become inflamed and thicken, leading to increased production of synovial fluid. This excess fluid can cause joint swelling and discomfort.
In summary, the changes that occur in a joint during osteoarthritis include the wearing away of articular cartilage, formation of bone spurs, and thickening of the synovial membrane. However, the joint space typically narrows rather than widens as the disease progresses. Therefore the correct option is A.
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how does our perception of sound change with intensity of the stimulus?
Our perception of sound changes with the intensity of the stimulus. As the intensity increases, our perception of sound becomes louder. This relationship between sound intensity and perceived loudness is not linear but logarithmic.
The human auditory system follows a logarithmic scale called the decibel (dB) scale to measure sound intensity. The decibel scale is based on a logarithmic function that corresponds to the sensitivity of our ears. A doubling of sound intensity results in an increase of approximately 10 dB. This means that to perceive a sound as twice as loud, it needs to have approximately 10 times the intensity.
Therefore, as the intensity of a sound stimulus increases, our perception of sound becomes progressively louder, but the subjective increase in loudness is not directly proportional to the increase in intensity.
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The study of fossil succession allows
O matching of similarly-aged rocks from different outcrops
O the study of habits of extinct mammals
O recognition of the kings of the beasts in past times
O absolute dating of fossil-bearing strata
How does oil that's ingested by marine organisms move up the food web?
Answer:
through blood
Explanation:
because it's thick
in a simple ecosystem there exists a field of clover with 10,000 calories available. mice eat the clover and snakes eat the mice. the snakes are in turn eaten by hawks. how much energy would be stored in the snakes?
100 calories of energy would be stored by the snakes under the belief of a 10% efficiency in the transfer of energy between trophic levels.
The energy flow throughout the food chain gradually decreases by 10% in accordance with Lindermann's law of 10% energy transfer. 7000 kg of plants, which cows consume, are required to produce 70 kg of human biomass.
As the energy moves through an ecosystem, the amount of energy at each trophic level decreases. At any given trophic level, only ten percent of the energy is transferred to the next level; The remainder is primarily lost as heat through metabolic processes.
Only 10% of the energy is transferred to the next level of the food chain at each step, and approximately 90% of the energy is lost as heat.
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what happens if a hand is put inside a plastic bag and the bag is closed tightly
Answer:
the hand will have less space
Explanation:
damage ot the midline of thecerebllae cortex would lead to dysfunction in what type of motor outpout
Damage to the midline of the cerebellar cortex would lead to dysfunction in axial motor output.
The cerebellum plays a crucial role in coordinating and fine-tuning motor movements. It receives input from various sensory systems and integrates it with motor signals from the cerebral cortex to ensure smooth and coordinated movement.
The midline of the cerebellar cortex, specifically the vermis, is primarily involved in controlling axial or trunk movements. This includes the coordination of posture, balance, and core muscle activities that are essential for maintaining stability and proper body alignment.
Damage to the midline of the cerebellar cortex can result in dysfunction in axial motor output. This may manifest as difficulties in maintaining balance, coordination, and posture. Patients may experience unsteadiness, tremors, and difficulties in performing activities that require trunk stability, such as walking, standing, or sitting upright.
Therefore, damage to the midline of the cerebellar cortex specifically affects the motor output related to axial or trunk movements, leading to impairments in maintaining stability and coordination in the body's core region.
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Helppp a b c or d? Helppppppppo
Answer:
A
Explanation:
ppl were scared that japenece ppl were spies with no evidence
Answer:
b
Explanation:
after the bombing of Pearl Harbor you couldn't trust anyone that was Japanese because there was a chance they were a spy
what causes a pulse in an artery
The pulse rate in an artery is caused by the pressure of the blood in the blood vessel walls when the heart pumps blood to different parts of the body.
What is the pulse rate?The pulse rate in the blood vessels can be defined as the force of the blood pumped by the heart when it moves through the blood vessels and exerts pressure.
Therefore, with this data, we can see that the pulse in the blood vessels is associated with heart pumping and it is a force against blood vessel walls.
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Which type of enzyme, produced in the walls of the small intestine, removes single amino acids from the end of small polypeptides?
Exopeptidase enzyme, produced in the walls of the small intestine, removes single amino acids from the end of small polypeptides.
Of those five components, pepsin is the predominant enzyme worried with protein digestion. It breaks down proteins into smaller peptides and amino acids that may be without trouble absorbed inside the small intestine. Proteins are digested via the pancreatic enzymes trypsin chymotrypsin, and carboxypeptidase.
The enzymes that act within the small intestine are amylase protease and lipase. Amylase acts on starch and breaks it down into small carbohydrate molecules. Protease acts on proteins and breaks them down into amino acids. Lipase breaks down dietary fats into smaller molecules called fatty acids and glycerol. Amylase digests carbohydrates, lipase digests fat, and trypsin digests proteins. The pancreas also secretes big portions of sodium bicarbonate.
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What is the job of the cell membrane
Answer:
regulates the transport of materials entering and exiting the cell. In simpler terms, allows which materials can enter or exit the cell.
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4 points
Which of the following is required for a trait to become more common
over time in a population? *
There must be many varieties of the trait in the population.
The trait must allow members of the population to eat only some kinds of foods.
The trait must be the result of an immediate change in the environment.
The trait must give individuals an advantage in producing offspring that survive.
Answer:Natural selection is a process that causes heritable traits that are helpful for survival and reproduction to become more common, and harmful traits to become more rare. This occurs because organisms with advantageous traits pass on more copies of these heritable traits to the next generation.
Explanation:
why agricultural plants are more affected then natural growth plants
Answer:
One reason is that agricultural plants are often grown in large quantities and are often monoculture crops, meaning that they are all the same species. This can make them more susceptible to pests and diseases, as these organisms can quickly spread through a monoculture crop and cause significant damage. Natural growth plants, on the other hand, are often more diverse and may not be as vulnerable to these types of problems.
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Tay-sachs disease is an inherited genetic disorder in which cellular wastes are not properly cleared out from the cell. In turn, these wastes then accumulate to a toxic level within the cell, ultimately causing cell death.
Which labeled structure would be the most likely location in which Tay-sachs disease occurs?
Choose 1 answer:
(Choice A)
A
Structure A
(Choice B)
B
Structure B
(Choice C)
C
Structure C
(Choice D)
D
Structure D
Answer:
Its chromosome where it is located..
Chromosome is located in Nucleus soo the ans is A.
Explanation:
I am not sure though.
A. Structure A would be the most likely location in which Tay-sachs disease occurs.
What is Tay-sachs disease?
" Tay-Sachs disease is a rare genetic disorder passed from parents to child. It's caused by the absence of an enzyme that helps break down fatty substances."
How is Tay-sachs disease caused?
"Tay-sachs disease is caused by a defective gene on chromosome 15."
Where does Tay-sachs disease affect?
"Tay-Sachs disease (TSD) is a genetic condition that affects the nervous system."
Where is a chromosome located?
"A chromosome is located in the nucleus."
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Which of the following are measurable? (Select all that apply)
✓ How often a plant is watered
✓ How much sunlight a plant receives
Seeing the pretty leaves on a plant
The actual number of new leaves on a plant
Answer:
a
Explanation:
well of you use a cup to give a plant water you can measure how much it drinks
The measurable factors are A) How often a plant is watered, B) How much sunlight a plant receives, D) The actual number of new leaves on a plant.
Options (A) (B) & (D) are correct.
Measurable factors are those that can be quantified or expressed numerically. A) The frequency of watering can be counted and tracked over time. B) Sunlight can be measured in terms of intensity, duration, or light levels. C) "Seeing pretty leaves" is subjective and not quantifiable.
D) The actual number of new leaves is a concrete count, making it measurable. When studying or managing plants, it's essential to focus on quantifiable aspects, like watering frequency, sunlight exposure, and counts of observable changes, for accurate analysis and decision-making.
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The complete question is:
Which of the following are measurable? (Select all that apply)
A) How often a plant is watered
B) How much sunlight a plant receives
C) Seeing the pretty leaves on a plant
D) The actual number of new leaves on a plant
An independent state made up of a city and the land around it? (I don’t get it we just started this)
It is a city that has its surrounding territory forms an independent state.
A city-state is an independent city — and sometimes its surrounding land — which has its own government, completely separate from nearby countries.
Example of this is Monaco.
explain how the teeth are perfectly suited to the lifestyle of humans
Answer:
We have sharp and thin front teeth, called incisors, that allow us to bite and cut into food with ease. And those pointy teeth next to our incisors, known as canines, are adapted for tearing meat.
But wait, there's more! Our premolars and molars are flat and broad, with ridges and cusps that help us grind and crush food. This is super important for grinding up plant-based foods, like nuts and seeds, which are a major part of many human diets.
The complimentary base pairs for ACT are
Chargaff's rule, also known as the complementary base pairing rule, states that DNA base pairs are always adenine with thymine (A-T) and cytosine with guanine (C-G). A purine always pairs with a pyrimidine and vice versa. However, A doesn't pair with C, despite that being a purine and a pyrimidine.
Explanation:Complementary base pairs refer to the nitrogenous bases adenine, thymine, cytosine, and guanine. in a double strand of DNA, adenine will always pair with its complement thymine and cytosine will always pair with its complement guanine. This means that the two strands are complementary to each other. For example, a strand of DNA with a nucleotide sequence of AGTCATGA will have a complementary strand with the sequence TCAGTACT.
Answer:
cytosine with guanine
Explanation:
which processes are most likely involved in the cycling of carbon, hydrogen, and oxygen between plants and animals in an ecosystem?
The most likely processes involved in the cycling of carbon, hydrogen, and oxygen between plants and animals in an ecosystem are photosynthesis and respiration.
Photosynthesis is a process that takes place in green plants and produces food by converting solar energy into organic compounds. It is a process that uses carbon dioxide and water to produce glucose, which releases oxygen. The equation for photosynthesis is:
6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂
Respiration is a metabolic process that occurs in living cells to produce energy by breaking down glucose and releasing carbon dioxide and water. The equation for respiration is:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy
These two processes are important in the cycling of carbon, hydrogen, and oxygen between plants and animals in an ecosystem. During photosynthesis, plants take in carbon dioxide and water and produce glucose and oxygen. Animals consume plants and use the glucose for energy through respiration, releasing carbon dioxide and water as byproducts.
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I need help with this (last question I had had the picture all black)
Answer:
I only know A
I think it's the lap
A balanced polymorphism exists through disruptive selection in ground finches from the Galapagos in which small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming soft, what type of selection would then operate on the finch population?
Answer:
The correct answer is - directional selection.
Explanation:
In a population, if a particular phenotype is favored among all others in every individual by continuously shifting the allele frequency towards one direction only, this type of selection called directional selection. It is a mode of natural selection.
In this case, the finch population will change towards the directional selection due to the food source become similar for both small and large-billed due to climatic change in the long term all seeds become soft so the small billed will be more favored.
Answer:
The correct answer is directional selection.
Explanation:
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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In flies, long wings (W) are dominant to short wings (w). Two homozygous recessive flies are crossed. WITH PUNNETT PATTERN SQUARE
As a result of receiving the recessive trait from both parents, half of the offspring in this scenario would have short wings (ww). The dominant gene is inherited from the heterozygous parent.
What would a fly's genotype look like if it was homozygous for both red eyes and long wings?The parents are homozygous for these recessive features as large wings are dominant over short and red eyes are dominant over green eyes. The genotype of a parent fly with short wings and green eyes is llrr, and that of a parent fly with long wings and red eyes is LlRr.
How can I tell if a long-winged fly is homozygous dominant or heterozygous?As the genotype cannot be determined by looking at the fly, a test-cross must be performed to determine whether a genotype is homozygous dominant (SS) or heterozygous (Ss). A known and an unknown are bred together. Only homozygous recessive phenotypes provide a known genotype (ss).
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Question:
In a population of fruit flies, long wings (W) are dominant to short wings (w). If two homozygous recessive flies are crossed, what will be the genotypic and phenotypic ratios of the offspring? Please use a Punnett square to illustrate your answer.