Answers
Answer: An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure.
Answer:
relaying on your own and not depending on someone
Related Questions
4. They damage the soil by doing activities such as gardening, quarrying, mining, deforestation, bad farming, and kaingin. N M A S U H
Answers
The activities mentioned, such as gardening, quarrying, mining, deforestation, bad farming, and kaingin (slash-and-burn agriculture), can have negative impacts on the soil.
These activities disrupt the natural balance of soil ecosystems and can lead to soil degradation and damage. Gardening, when done improperly, can result in soil compaction and nutrient depletion. Quarrying and mining operations can strip away topsoil, leaving behind barren landscapes.
Deforestation removes the protective cover of trees, leading to soil erosion. Bad farming practices, such as overuse of chemical fertilizers and pesticides, can harm soil health and biodiversity. Kaingin, with its practice of burning vegetation, destroys organic matter and alters soil fertility.
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match items how the universe came to be
Answers
Answer:
21
Explanation:
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Which of the following are examples of active transport that cells use to maintain homeostasis? (mark all that apply)
Answers
Pinocytosis and phagocytosis are examples of active transport that cells use to maintain homeostasis, hence option A and C are correct.
What is homeostasis?The propensity to oppose change in order to preserve a stable, largely constant internal environment is known as homeostasis. Negative feedback loops are frequently used in homeostasis to combat deviations from set positions in a variety of properties.
Moving uphill is considered active transportation. A cell must expend energy to transport materials against a concentration or electrochemical gradient.
This is precisely what active transport systems do they use energy, frequently in the form of ATP, to keep the proper concentrations of ions and molecules in living cells.
Therefore, option A and C are correct.
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How is zoology related to biology?
Answers
Answer:
Zoology (also known as animal science) is the branch of biology devoted to study of animal life.
Explanation:
It covers areas ranging from the structure of organisms to the subcellular unit of life.
Professionals in the field of psychology maintain a set of core values and ethics that differs slightly from
those held by social workers, because the needs and challenges of psychology patients are typically greater
than for clients who receive social services. Among the core values of psychologists are the efforts to treat
clients with fairness and honesty, to respect clients, and to
O discuss one client's problems with other clients
O do no harm to clients
O dispense prescriptions to clients
O criticize clients
Answers
Among the core values of psychologists are the efforts to treat clients with fairness and honesty, to respect clients, and to do no harm to clients and is denoted as option B.
Who is a Psychologist?This is referred to as a trained mental health professional who helps people handle their mental health challenges through the use of various types of methods and techniques.
They are involved in the treatment of clients with fairness and honesty which is a sign of respect and are not involved in dispensing of prescriptions to clients which is instead done by psychiatrists thereby making option B the correct choice.
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Difference of Simple life cycle and complex life cycle
Similarities of Simple life cycle and complex life cycle
Answers
Answer: they both not smart
Explanation:
(just like me)
Answer:
a simple one will last longer and will be enjoyable
a complex one will have many hardships and a lot of stress
Explanation:
10. Explain how the principles of biological organization apply to populations, communities, ecosystems, and biomes.
Answers
Answer:
It can. refer to using the biological cycle
Explanation:
like a paramid of food and the ecosystem in the living organization in the living organisams.
Researchers have historically considered the human appendix to be a vestigial structure. What evidence, if true, would best disprove this claim?
A.
The appendix was used to help digest leaves in the ancestors of humans, but it appears to serve no function in modern humans.
B.
Chimpanzees also have an appendix, and humans and chimpanzees inherited the appendix from the same ancestor.
C.
Cows have an appendix to help them digest grass, but it evolved independently from the appendix found in humans.
D.
The human appendix helps to maintain the health of the gut, and arose fairly late in the evolutionary history of mammals.
Answers
The evidence that would best disprove the claim that the human appendix is a vestigial structure is option D. The human appendix helps to maintain the health of the gut and arose fairly late in the evolutionary history of mammals.
1. Option A suggests that the appendix was used to help digest leaves in the ancestors of humans but serves no function in modern humans. While this statement implies that the appendix may have had a purpose in the past, it does not directly disprove the claim that it is vestigial.
2. Option B states that chimpanzees also have an appendix and that humans and chimpanzees inherited the appendix from the same ancestor. This evidence supports the idea that the appendix has been conserved through evolution and suggests that it may serve a function in both species. However, it does not directly disprove the claim of the appendix being vestigial.
3. Option C mentions that cows have an appendix to help them digest grass, but it evolved independently from the appendix found in humans. This statement provides an example of another species with a functional appendix, but it does not specifically address the status of the human appendix.
4. Option D is the most compelling evidence to disprove the claim. It states that the human appendix helps maintain the health of the gut and arose fairly late in the evolutionary history of mammals. This suggests that the appendix has a beneficial role in humans and is not simply a vestigial remnant.
Therefore, option D presents the strongest evidence that would best disprove the claim that the human appendix is a vestigial structure.
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How do air masses get from one place to another?
infiltration
transpiration
evaporation
transportation
Answers
Air masses get from one place to another through evaporation
What locations do evaporation and transpiration occur in?
Water that evaporates into the atmosphere from the soil surface, the groundwater table's capillary edge, and land-based bodies of water is referred to as evapotranspiration. Transpiration, or the transfer of water via plants from the soil to the atmosphere, is also a component of evapotranspiration.
Water on the surface of the earth enters the soil through a process called infiltration. The rate at which soil can absorb rain or irrigation is known as infiltration rate in soil science. It is expressed in millimeters per hour or inches per hour. As the soil becomes saturated, the rate slows.
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Ellie is having a birthday party at the local pottery studio. The party costs $75 for up to 8 guest, plus $5 for each guest over 8. How much will the party cost if she has 12 friends show up?
Answers
Answer:
Explanation:$75 for 8 friends plus $5 x 4 guests of each guest is 8 or younger =$105
When E. coli is grown in a high osmotic pressure environment, _________. Multiple Choice MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site and enhances translation of the OmpF porin protein MicF RNA is not transcribed allowing a stem-loop structure to form at the site of translation initiation MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site effectively preventing translation of the OmpF porin protein MicF RNA is not transcribed so the OmpF mRNA is readily translated to synthesize the OmpF porin protein
Answers
Answer:
MicF RNA is transcribed and base pairs with the OmpF mRNA at the ribosome binding site effectively preventing translation of the OmpF porin protein
Why human don't lay from the egg?
Answers
Answer: because that is not how were made.
Explanation:
Proteins in the plasma membrane are often the target of medicines. In paragraph format (at least four sentences), explain why this is the case.
Answers
Argeting proteins in the plasma membrane offers a promising approach for developing new medicines that can be used to treat a wide range of diseases and conditions.
What is Plasma Membrane?
The plasma membrane, also known as the cell membrane, is a thin layer of lipid and protein molecules that surrounds and encloses the cell. It serves as a barrier between the interior of the cell and its external environment, regulating the movement of substances in and out of the cell. The plasma membrane is composed of a phospholipid bilayer, which consists of two layers of phospholipid molecules with their hydrophilic (water-loving) heads facing outward and their hydrophobic (water-fearing) tails facing inward. Embedded within the phospholipid bilayer are various proteins, which perform a variety of functions such as transporting molecules across the membrane, receiving signals from other cells, and providing structural support.
Proteins in the plasma membrane are crucial for many cellular processes, including cell signaling, transport, and recognition. As such, they are often the targets of drugs and medications because they can be used to modulate or disrupt these processes. For example, many cancer drugs target proteins in the plasma membrane that are involved in cell signaling pathways, as this can help to slow down or stop the growth of cancer cells.
Additionally, drugs that target membrane transporters or channels can be used to regulate the flow of ions or molecules in and out of cells, which can be useful for treating diseases such as hypertension or cystic fibrosis.
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In eukaryotes, general transcription factors A) are required for the expression of specific protein-encoding genes. B) bind to other proteins or to a sequence element within the promoter called the TATA box. C) inhibit RNA polymerase binding to the promoter and begin transcribing. D) bind to sequences just after the start site of transcription.
Answers
Answer:
B
Explanation:
The general transcription factors bind to other proteins or to a sequence element within the promoter region known as the TATA box.
Transcription is a biological process involving the synthesis of RNA from a DNA template. The process of transcription begins with the binding of an enzyme, the RNA polymerase, to the promoter region of a gene. Prior to that, however, a group of enzymes known as the transcription factors must bind to a specific sequence within the promoter region - the TATA box. The binding of the RNA polymerase signals the unwinding of the section of the DNA to complete the initiation complex.
The correct option is, therefore, B.
Which part of a seed acts as the food source for the seed as it grows underground?
Answers
Phytoplankton, shown on the left in the image below, are microscopic organisms that can be found in freshwater and salt water environments. They perform photosynthesis to get energy and act as an important food source for larger organisms, such as the whale that is shown on the right. Phytoplankton A large whale. Which characteristic describes the whale but not its food source, the phytoplankton? The whale is heterotrophic. The whale has cell walls. The whale is unicellular. The whale is a prokaryote.
Answers
Answer:
The whale is heterotrophic.
Explanation:
Energy is needed by organisms to perform their life functions. Organisms, in nature, feed on one another for energy source. Some organisms are, however, capable of synthesizing their own food or energy source via a process called photosynthesis. This is the case of the phytoplankton in the question. These organisms are, therefore, called AUTOTROPHIC ORGANISMS or PRODUCERS.
On the other hand, some organisms are incapable of this self-production of energy source. Hence, they rely on other organisms for it. These category of organisms are called HETEROTROPHIC organisms, which is the category the large whale fall into due to its dependence on phytoplankton for energy source.
What common features do eukaryotic mRNA share? Please use one of these features to describe how you can isolate eukaryotic mRNA from the cell extract. (limit your answers in 4 lines)
Answers
Answer:
A common feature in mRNAs that allow extraction from the cell is the 5' cap region which has a Guanine nucleotide attached to the mRNA in an atypical five prime to five prime triphosphate linkage.
Explanation:
The 5' cap structure serves to protect the mRNA against damage from RNA phages and an extraction protocol an be used to isolate the mRNAs from the cells. Reagents such as Dichloromethane, sodium hydroxide and diethyl ether in aqueous solution helps separate the organic layer, a silica-gel column can be used to further isolate the mRNAs
1. How do you think that prokaryotic cells are limited since they do not have a nucleus? How does this make their function different from cells that have a nucleus?
2. How would a bioengineer use principles of mass and heat transfer address a problem in human health?
3. Why do you think that the use of genetically modified food is controversial?
4. Explain why biomaterials are an important part of bioengineering.
5. Why does biotechnology raise more ethical issues than many other fields in engineering?
Answers
1. The absence of a nucleus also affects the functions of prokaryotic cells.
2. Bioengineers can create artificial tissues and organs using principles of mass transfer.
3. The use of genetically modified (GM) food is controversial due to several reasons such as safety concerns, Environmental impact, Ethical considerations, and Labeling and consumer choice.
4. Importance of Biomaterials in Bioengineering Compatibility with Biological Systems are controlled Drug Delivery, Tissue Engineering and Regenerative Medicine.
5. Ethical Issues in Biotechnology are Manipulation of Living Organisms, Human Enhancement and Designer Babies etc.
1. Prokaryotic cells are limited in several ways due to the lack of a nucleus. First, they do not have a well-defined organelle structure, so their metabolic processes are not as efficient as those in eukaryotic cells.
They also have limited control over gene expression since their DNA is not contained within a membrane-bound nucleus. This lack of control over gene expression can be both a limitation and an advantage for prokaryotic cells.
2. Bioengineers can use principles of mass & heat transfer to address a wide range of problems in human health. For example, they can develop drug delivery systems that use controlled release mechanisms to optimize the dosage & timing of medication delivery.
3. The use of genetically modified food is controversial for several reasons. Some people are concerned about the potential health risks associated with consuming genetically modified organisms (GMOs).
Others worry about the impact of GMOs on the environment, including the potential for unintended consequences such as the spread of modified genes to non-modified organisms.
4. Biomaterials are an important part of bioengineering because they provide the foundation for many medical devices & tissue engineering applications.
Biomaterials are synthetic or natural materials that are used to replace or repair damaged tissues or organs in the body. They can be used to create implants, artificial organs, or scaffolds for tissue regeneration.
5. Biotechnology raises more ethical issues than many other fields in engineering because it involves manipulating living organisms & their genetic material.
Some of the ethical issues that arise in biotechnology include concerns about the safety & efficacy of genetically modified organisms, the potential for unintended consequences & environmental impacts, & the social & economic impacts of biotechnology on society.
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The pea aphid, a type of insect, contains light-capturing pigments in its exoskeleton. Scientists hypothesize the pea aphids gained the ability to synthesize these pigments from genes transferred from fungi during evolution. While pea phones do not have chloroplasts or fix carbon, researchers have found that pea aphids with more pigments have higher levels of ATP than those fewer pigments. Pea aphids also have been shown to increase production of ATP when exposed to sunlight.
Based on this information, is the pea aphid a true autotroph?
Answers
The pea aphid isn't a true autotroph because it is unable to use the energy from sunlight.
What is a true autotroph?A true autotroph is an organism that produces biomass by a chemical process called photosynthesis.
This type of autotroph generates biomass by means of photosynthetic cycles of production.
In conclusion, the pea aphid isn't a true autotroph because it is unable to use the energy from sunlight.
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A series of experiments were conducted on the motor areas of monkey brains in an attempt to discern how they
controlled movements in the body. At the time there was debate between two prevailing theories. The first was
that there was a one to one involvement between the motor neurons in these regions stimulating individual
muscles. The second theory instead stated that stimulation of these areas produced specific movements, rather
than merely just stimulating individual muscles.
1. Which theory is supported by the observation that stimulation of a single motor neuron in the
primary motor cortex resulted in opposition of the left hand? Explain your answer.
2. What is the significance of the necessity to be stimulating only a single cortical motor neuron in
order to come to this conclusion?
Answers
The theory that is supported by the observation that stimulation of a single motor neuron in the primary motor cortex resulted in opposition of the left hand is the second theory.
This is because the observation suggests that stimulation of the motor areas of the brain does not necessarily result in the activation of a single muscle, but rather the production of a specific movement.
In this case, the specific movement was the opposition of the left hand, rather than the activation of a specific muscle group. This supports the second theory that stimulation of the motor areas produces specific movements rather than just the activation of individual muscles.
The significance of the necessity to be stimulating only a single cortical motor neuron in order to come to this conclusion is that it helps to identify the specific area of the brain responsible for the movement.
By stimulating only a single motor neuron, researchers were able to pinpoint the exact location in the primary motor cortex that was responsible for the specific movement of the opposition of the left hand.
This information is important because it helps to better understand the neural circuitry involved in movement control and could have implications for the development of treatments for movement disorders.
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answer these please (:
Answers
Answer:
I thing the first one osmosis
A heterozygous brown eyed (B) woman marries a blue eyed man (b) the woman is extreme nearsightedness A condition that required her to wear glasses
Answers
Assuming complete dominance for both genes, the parents genotypes are bbEe and Bbee. Among the offpring, the Expected genotypes are: 1/4 BbEe, 1/4 Bbee, 1/4 bbEe, 1/4 bbee. And the Expected phenotypes are: 1/4 brown eyes and normal vision, 1/4 brown eyes and express extremenearsightedness, 1/4 blue eyes and normal vision, 1/4 blue eyes and express extremenearsightedness.
What is complete dominance?Complete dominance is the inheritance pattern in which the dominant allele can hide the expression of the recessive allele when both of them are together in heterozygous individuals. In these cases, only the dominant phenotype can be expressed.
In the exposed example, we will assume complete dominance for both genes.
Gene for eye color
B is the dominant allele that codes for brownb is the recessive allele that codes for blueGene for extremenearsightedness
E is the dominant allele that codes for normal sighte is the recessive allele that codes for the extremenearsightednessAvailable data:
Man:- blue eyed (bb)
- normal vision (E-)
- his mother was affected (ee)
The fact that his mother was affected suggests the man is heterozygous because he received one recessive allele from his mother. So he has normal vision but is heterozygous for the trait, Ee.
Woman:- Brown eyes Bb
- Affected by extremenearsightedness, ee.
Man and woman's Genotypes
Man ⇒ bb Ee (blue eyes and heterozygous for normal sight)Woman ⇒ Bb ee (heterozygous for brown eyes and with extremenearsightedness)Cross: blue-eyed man with normal vision with and affected brown-eyed woman
Parentals) bbEe x Bbee
Gametes) bE bE be be
Be Be be be
Punnett square) bE bE be be
Be BbEe BbEe Bbee Bbee
Be BbEe BbEe Bbee Bbee
be bbEe bbEe bbee bbee
be bbEe bbEe bbee bbee
F1) Genotypes
4/16 = 1/4 = 25% of the progeny is expected to be dihybrid, BbEe
4/16 = 1/4 = 25% of the progeny is expected to be Bbee
4/16 = 1/4 = 25% of the progeny is expected to be bbEe
4/16 = 1/4 = 25% of the progeny is expected to be bbee
Phenotype
4/16 = 1/4 = 25% of the progeny is expected to have brown eyes (Bb) and normal vision (Ee)4/16 = 1/4 = 25% of the progeny is expected to have brown eyes (Bb) and express extremenearsightedness (ee)4/16 = 1/4 = 25% of the progeny is expected to have blue eyes (bb) and normal vision (Ee)4/16 = 1/4 = 25% of the progeny is expected to habe blue eyes (bb) and express extremenearsightedness (ee)Parents genotypes: bbEe and Bbee
Expected genotype: 1/4 BbEe, 1/4 Bbee, 1/4 bbEe, 1/4 bbee
Expected phenotype: 14 brown eyes (Bb) and normal vision (Ee), 1/4 brown eyes (Bb) and express extremenearsightedness (ee), 1/4 blue eyes (bb) and normal vision (Ee), 1/4 blue eyes (bb) and express extremenearsightedness (ee).
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Complete question:
A heterozygous brown eyed (B) woman marries a blue eyed (b) man.The woman has extremenearsightedness, a condition that required her to wear glasses at a very young age.
Nearsightedness is recessive.
The man has normal vision, but his mother had extremenear-sightedness.
Determine the parents’ genotypes. Then, show the Punnett square
Is it possible that none of the hair samples found at the crime scene are consistent with the hair taken from the victim?
Answers
Yes, it is possible that the hair samples collected from a crime scene are not consistent with the victim. The samples can be of victim or the criminal.
What is Crime Scene Investigation?A crime scene investigation includes the collection of evidences which are available at the crime scene.
The basic steps of crime scene investigation includes physical evidence recognition, documentation, proper collection of samples and packaging. This will help in establishing what has happened at the crime scene and to identify the criminal.
Therefore, the samples collected at the crime are examined in laboratory as it can help in the identification of the criminal.
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why weather can be a devastating force
Answers
Answer:
The effects of extreme weather include, but are not limited to: Too much rain (heavy downpours), causing floods and landslides. Too much heat and no rain (heatwave) cause droughts and wildfires. Strong winds, such as hurricanes and tornadoes, cause damage to man-made structures and animal habitats.
Explanation:
Human activity is causing rapid changes to our global climate that are contributing to extreme weather conditions.
evaluate this expontial expression 6x(4+2)-3
Answers
Answer: the answer is 39.
PLEASE ANSWER ASAP
When a runner completes a 10K
race, she is breathing heavily,
sweating profusely, and her
heart rate is rapid. What
systems are involved in causing
these changes in her body
systems? How do these
systems interact to allow her to
complete the race?
Answers
Answer:
The nervous system, the circulatory system and the respiratory system.
Explanation:
Nervous system (more specifically the autonomic nervous system) controls perspiration
Circulatory system controls your heart rate
Respiratory system controls your breathing.
Which of the following values represents the Simpsons Diversity Index for the insect community?
A. 0.16
B. 0.27
C.0.73
D. 0.84
Answers
The Simpsons Diversity Index shows the relative abundance of the individual species in the habitat as well as diversity.
What is the Simpsons Diversity Index?The question is incomplete but I will try to help you as much as I can. The term Simpsons Diversity Index shows the relative abundance of the individual species in the habitat it is also a measure of the degree of diversity in species that are present in a habitat.
The values are not shown henece we may not be able to nuerically obtai the value of the Simpsons Diversity Index. A Simpsons Diversity Index close to 1 indicates a high degree of diversity.
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A scientest discoverse a cell that has chioplast
Cutoplasm, DNM, and a cell membrane. I
which best describes how the cell could
be classified?..
Answers
A scientist discovers a cell that has chloroplast, cytoplasm, DNM, and a cell membrane which means that it is a plant cell.
What is a Plant cell?This refers to the basic unit of plant and contain different types of organelles such as chloroplast, cell wall etc which are responsible for the biochemical processes of the cell.
The plant is regarded as an eukaryotic autotroph due to it having a nuclear membrane and being able to perform photosynthetic reactions during the manufacture of its food.
This is aided by the presence of the chloroplast which contains the green pigment known as chlorophyll which is responsible for trapping sunlight and later converted to chemical energy.
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Below is a photo of a particular kind of organism.
Based on its structure, this organism is most likely to be a___.
A. multicellular eukaryote
B. unicellular eukaryote
C. prokaryote
D. virus
Answers
Answer: C. Prokaryote
it looks the same