Explanation:
Cells function differently in unicellular and multicellular organisms, but in every organism, each cell has specialized cell structures, or organelles, of which there are many. These organelles are responsible for a variety of cellular functions, such as obtaining nutrients, producing energy, and making proteins.
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If you were running an experiment to determine the color of light at which beans grew best, what would be the variable?
Group of answer choices
the number of beans plants in the experiment
the amount of water you give the beans
the color of the light under which each bean is grown
the height to which you let the sprouts grow
Answer:
The number of beans in the experiment
Explanation:
I hope it helps choose me the brainer
Answer two questions in detail and get brainliest!
1.Explain what makes a scientific experiment reliable. Be sure to include at least three reasons to support your answer.
2.During research, why is it important to use peer reviewed evidence when collecting background information during a scientific investigation?
Answer:
1:When a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and get very similar results then those results are said to be reliable.Reliability is measured by a percentage if you get exactly the same results every
time then they are 100% reliable.
2.The peer reviewer determines whether the introduction provides sufficient background information on the research topic, and ensures that the research question and hypothesis are clearly identifiable.
Explanation:I really hope this helped you in any way (pls tell me if I did anything wrong)
Both anaerobic and aerobic respiration use what to produce ATP and NADH?
Answer
glucozo
Explanation:
What effects are produced on environment by industry?
Answer:
climate change, loss of natural resources, air and water pollution and extinction of species.industrial processes can have negative environmental impact.
Explanation:
Which of the following represents a mutualistic relationship?
1 point
Both organisms benefit
Both organisms do not benefit
One benefits and the other is unchanged
One benefits and the other is harmed
What issues, organs, and systems were involved in this process of heavy breathing
Answer:The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system.
Explanation:
Hi please answer the following questions
•Mercury is used in temermeter.Give reason!
•Name two non flowering plants
•Some leaves are modified to trap insects. Give reason.
Answer:
It's used in thermometers because it has high coefficient of expansion.
conifers,mushrooms
plants trap insects because they grow in soil which is usually thin and is also poor in nutrients , so they eat insects to fulfill their nuttient requirement
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The Punnett square illustrates a cross for color of the flower.
Based on the phenotypes and genotypes of these offspring. It is clear that purple flower color allele is
and the parents are
dominant
polygenetic
recessive
ntum. All rights reserved.
hp
Answer:
All right reserved
Human skin color is a good example of polygenic (multiple gene) inheritance. Assume that three "dominant" capital letter genes (A, B and C) control dark pigmentation because more melanin is produced. The "recessive"alleles of these three genes (a, b & c) control light pigmentation because lower amounts of melanin are produced.
hope it will help
Here, from the cross of the purple and white flower, all offspring are purple, which indicates that the purple color is dominant in nature and is present in Option A.
What is Punnett Square?The Punnett square is a tool used to predict the probability of offspring inheriting specific alleles from their parents. If all of the offspring exhibit the same phenotype (such as purple flower color), it is likely that the parents both carried at least one dominant allele for that trait. This would mean that the purple flower color allele is dominant. Here, the parents are both purple and white, so all the offspring are dominant in nature.
Hence, from the cross of the purple and white flower, all offspring are purple, which indicates that the purple color is dominant in nature and is present in Option A.
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complete question is below
The Punnett square illustrates a cross for color of the flower (purple- parent, white -parent). Based on the phenotypes and genotypes of these offspring (all purple), it is clear that purple flower color allele is
A.) Dominate
B.)polygenetic
C.) recessive
In the 1950s the structure of DNA was discovered by using models and x-ray chromatography currently science has used advanced technology to completely map out the genes in a human's body. What would be the best advantage of using this information?
Answer:
Gene therapy to correct defective genes that cause diseases.
Explanation:
Gene therapy refers to the procedure that involves the introduction of nucleic acids (DNA or RNA) into the cells of an organism for the purpose of correcting abnormalities, such as a mutations or in other words to treat a genetic disease.Gene therapy entails bringing a normal and functional gene known as a trans-gene into a cell with altered gene. Another method can bring RNA capable of partially regulating or blocking the expression of an altered gene.The nucleic acids are introduced into the patient's cells by means of a viral vector or injected directly into the cells in the form of naked DNA.pls mark brainliest
The behavior of allosteric enzymes a. does not play any role in feedback inhibition in metabolic pathways b. is strongly dependent on the presence of metal ions c. is related to their ability to hydrolyze themselves d. depends on changes in their quaternary structure on binding of substrates or inhibitors
Answer:
The correct answer is d
Explanation:
Allosteric enzymes have multiple binding sites to different ligands called allosteric sites (different from the active site), these ligands can modify their kinetic properties. They are generally made up of more than one polypeptide chain, and have a quaternary structure, an enzyme with a quaternary structure can bind more than one substrate molecule. An allosteric enzyme is an enzyme whose activity is regulated by an allosteric center, which is a site, other than the active center of the enzyme, to which a regulator (called an allosteric regulator) binds in a reversible and non-covalent manner. The binding of this regulator modifies the three-dimensional structure of the enzyme and affects the configuration of the active site, thus increasing or decreasing its activity, depending on the case. The allosteric sites present in regulatory enzymes is where allosteric effectors or inhibitors are attached, causing a conformational change in the substrate binding site or catalytic site, thus regulating enzyme activity.
Answer:
d. depends on changes in their quaternary structure on binding of substrates or inhibitors
Explanation:
Allosteric enzymes are oligomeric proteins composed of subunits or polypeptidic chains. They have a quaternary structure -many subunits and active sites- and express two states, R and T. Both states establish an equilibrium, with or without a joint ligand.
When the transition from one state to the other occurs, symmetry is conserved, but the affinity of a site to a ligand is altered. When a substrate joins one of the sites, it affects other binding sites.
Allosteric enzymes can change their conformation, exhibiting active and inactive conformations as a result of substrate binding at the activated center and regulatory molecules at other binding sites -allosteric centers-.
PLEASE HELP MAX POINTS AND BRAINLIEST
Which of the following statements best proves that the law of conservation of mass is obeyed during photosynthesis?
a. The starting total number of oxygen atoms in carbon dioxide is equal to the ending total number of oxygen atoms in glucose.
b. The starting total number of oxygen atoms in carbon dioxide gas is equal to the ending total number of oxygen atoms in glucose and oxygen.
c. The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction.
d. The total mass of glucose and carbon dioxide formed from photosynthesis is equal to the total mass of oxygen and water used up during the reaction.
c. The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction. (right answer i believe)
The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction.
The reaction is given by.
CO_2+H_2O—⟩C_6H_12O_6+O_2write parasitic adaption of flat worm
Answer:
Parasitic flatworms protect themselves from the host's digestive liquids by developing teguments or resistant coverings around their bodies. They secrete anti enzymes to neutralize the digestive juices of host which are produced in intestine where flatworm lives.
please answer urgently
Answer:
C- the enzyme is represented by the letter C
Explanation:
Before you make a hypothesis—your best guess at a solution—what must you do?
Group of answer choices
Run an experiment
Make observations
Form a theory
Draw conclusions
Answer:
make observations .
Explanation:
Collect as many observations about a topic or problem as you can.
Evaluate these observations and look for possible causes of the problem.
Create a list of possible explanations that you might want to explore.
What is the Dependent Variable?
Answer:
pitcher with the same velocity
Which level of organization listed here includes every level listed?
cation
red blood cell
DNA molecule.
heart
zebra
Answer:
Zebra
Explanation:
It's an orgainsm, it has red blood cells, a heart, DNA molecules and cations, probably
Which of the following could your family do to lower its carbon footprint?
Answer:
That's correct
Explanation:
Insulating homes lower footprint
Set the thermostat 2 degree warmer in winters could lower your family carbon footprint.
What is carbon foot print ?
A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions.
What does reducing carbon foot print mean?Reducing your carbon footprint at home typically means consuming less energy.
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The receptor of sound waves in the ear is the
O a. pinna.
O
b. ossides.
O c. organ of Corti.
O d. tympanic membrane.
Why are viruses not living??
Answer:
Viruses are not living cause they need any host (body or living organism) To perform its function.
Explanation:
Answer:
Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own way they can do nothing until they entered a living cell. Without cells viruses will not be able to multiply. Therefore viruses ante not living things.
any 5 Reason wetlands destroy?
Answer:
Deforestation
flood
landslide
waste drainge
Unplanned urbanization
Explanation:
these are the main 5 problems that destruct the wetland
Some diseases/conditions are caused by deficiencies in these nutrients (vitamins). Name one such
disease, say what element is deficient, and describe the symptoms and treatment. Who usually gets
the disease? Is it more common in certain areas?
answer;
The most widespread nutritional deficiency worldwide is iron deficiency.
Iron deficiency can lead to anemia. This is a blood disorder that causes fatigue
symptoms;
Feeling tired or weak.
Having pale skin.
Having shortness of breath.
Sweating.
Being dizzy or feeling faint.
Rapid heartbeat.
Having headaches.
treatment;
Iron supplements taken by mouth.
Foods high in iron and foods that help your body absorb iron (like foods with Vitamin C).
Iron given through an intravenous (IV) infusion. (This is often a choice if you have chronic kidney disease, or CKD.)
Transfusions of red blood cells.
Women of childbearing age are the population with the most affected individuals, with an estimated 468 million being non-pregnant women.
Explanation:
cual es la energía que se encuentra ligada a la estructura de la materia.
Answer:La energía eléctrica o electricidad es un fenómeno físico que se produce a raíz de las cargas eléctricas y de la interacción entre ellas. De esta forma, son los electrones y los protones las principales partículas subatómicas responsables de su aparición.
Explanation:
To test how fertilizer affects tomato plants, a farmer divided a field of young
tomato plants into 10 plots of equal size. The farmer then put fertilizer on half
of the plots and no fertilizer on the other half of the plots. What is the control
group in this experiment?
Answer:
The plots with no fertilizer
Explanation:
In an experiment, the control group is used as a comparison for the experimental group (the group being actively changed and observed).
So, in this experiment, the control group is the plots with no fertilizer.
This acts as a good control group because it provides a normal standard to show the effect of fertilizer on the tomato plants.
So, the control group in this experiment are the plots with no fertilizer.
If eukaryotes all came about due to endosymbiosis, what would result from that?
preserved DNA from the original ancestor that remains unchanged
every organism would have the same set of body systems and functions
ancient prokaryotes living inside of modern eukaryotes
similar structures in eukaryotes with slight variations depending on their use
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I'm not sure, if this is right...
But, I believe the answer is..
D. similar structures in eukaryotes with slight variations depending on their use.
Hopefully, this helps you!!
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Answer:
Similar structures in eukaryotes with slight variations depending on their use.
Lizard is a poikilothermic animal give reason please
Answer:
Both reptiles and amphibians are poikilothermic, which means that they cannot regulate their own body temperatures internally
Explica brevemente en que consiste la teoría de la deriva continental y menciona los contenientes que se crearon a partir de la Pangea
Esta teoría hace referencia al movimiento actual de las placas que sustentan los continentes y que se desplazan a lo largo de millones de años. En toda la historia geológica de la Tierra, los continentes no han estado siempre en la misma posición. Existe una serie de evidencias que veremos posteriormente que ayudaron a Wegener a refutar su teoría. El movimiento se debe a que continuamente está formándose nuevo material procedente del manto. Este material se crea en la corteza oceánica
How do buffers play a role in
homeostasis in living things?
Answer:
Buffers are commonly used in living organisms to help maintain a relatively stable pH.
In biological systems, chemical buffers prevent sharp and sudden changes in pH.
In biology, homeostasis refers to stable conditions required for the survival of organisms.The pH is a scale used to determine how acidic/basic water is. The pH range from 0 to 14 ( a pH equal to 7 is neutral).In human blood normal pH is about 7.35 to 7.45. A sudden change in this value alters and negatively affects the homeostasis of the body.The carbonic acid-bicarbonate is the most important chemical buffer which is used for mantaining acid-base balance (homeostasis) in the blood.The blood pH can change due to respiratory acidosis/alkalosis and metabolic acidosis/alkalosis.In conclusion, chemical buffers prevent sharp and sudden changes in pH.
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which of the following best describes the anthers of a flower?
Answer:
The anthers of a flower are the Male reproductive organ on the top of the stamen, which produce pollen.
Why does scattering of light occur ?
1. Most students in Britain take the GCSE when ____________.
A. They are 11 years old
B. They are 16 years old
C. They finish grade 10
D. They begin grade 11
2. What is the first thing you’ll notice when you visit almost any school in Britain?
A. The school logo
B. The school gate
C. The school playground
D. The school uniform
3. What do most teenagers in Britain prefer to wear?
A. Trendy labels
B. Expensive uniforms
C. Fashionable hats
D. Economical trainers
4. The word ‘highlight’ in paragraph 2 is closest in meaning to __________ .
A. Confuse
B. Remark
C. Emphasise
D. Decrease
5. According to the passage, which of the following statements is NOT true?
A. Students in Britain can take 8 subjects at the GCSE.
B. Most British teenagers spend 2-3 hours watching TV after school.
C. Most 16-year-old students in Britain don’t like school uniforms.
D. Many British teenagers judge their friends by their shirts or trainers.
Answer:
1.c
2.d
3 .d
4.a
5.c
this is all I got
