Help me with science I cant do this-
How many molecules of vinegar are represented below?
6C2H4O2
Answers
two carbon atoms
four hydrogen atoms
two oxygen atoms
Answer:
6
that is what the first number indicates
the rest is just a jumbled version of CH3COOH which is the normal way of writing vinegar
Explanation:
Related Questions
Which statement best describes the relationship between RNA and DNA?
A. RNA is a temporary copy of DNA that is used to make proteins.
B. Parent cells make a DNA copy of their RNA to give to their daughter cells.
C. DNA copies RNA to make proteins.
D. RNA replicates multiple copies of DNA in order to make proteins.
E. Some cells use DNA to make proteins, whereas others use RNA.
F. Parent cells make an RNA copy of their DNA to give to their daughter cells.
Answers
The statement best describes the relationship between RNA and DNA is option A. RNA is a temporary copy of DNA that is used to make proteins.
RNA plays a vital role in protein synthesis. It is synthesized as a temporary copy of DNA in a process called transcription. This RNA molecule, known as messenger RNA (mRNA), carries the genetic information from DNA to the ribosomes, where it serves as a template for protein synthesis.
Therefore, option A accurately describes the relationship between RNA and DNA. While DNA contains the genetic information, RNA acts as a temporary intermediary by copying the genetic code from DNA and carrying it to the protein-making machinery of the cell. This process allows the information stored in DNA to be translated into functional proteins, which are essential for various biological processes.
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What is alternation of generation
Answers
Alternation of generations is a type of life cycle in which subsequent generations of plants alternate between diploid and haploid organisms.
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what term can we use to describe the relationship between a bearded seal and ice?
Answers
Answer:the trust each other and other words is inseparable
Explanation:
NEED ANSWER ASAP. Individuals with advantageous traits for their environment have a better chance of surviving
than those with less helpful traits. Explain how this is demonstrated in the moth information
above. Use specific information and examples.
Answers
Answer:
The moth with camoflauged skin will have a better chance of surviving because it will be harder for predators to see them.
Explanation:
Sorry but I can't quote anything because I don't have the book.
menstrual flow is actually sloughed off cervical mucus. fertilized eggs. corpus luteum. uterine lining.
Answers
Menstrual flow is actually sloughed off the uterine lining. Menstrual flow is the discharge of blood and other materials from the uterus that occurs in female humans and some other mammals.
As per the question given,
The flow is actually the shedding of the uterine lining, which occurs when a fertilized egg has not implanted itself in the uterus. The uterine lining is the tissue that prepares to receive a fertilized egg, and if no fertilization occurs, it is shed as menstrual flow.
Contrary to some common misconceptions, menstrual flow is not sloughed off cervical mucus or fertilized eggs. Additionally, the corpus luteum, which is a temporary endocrine structure in the ovaries, plays a role in maintaining pregnancy by producing progesterone but is not directly involved in menstrual flow.
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This is the process where an organism produces more of its own kind
Answers
Answer:
Reproduction o Reproduction: Reproduction o Reproduction is the process by which organisms make more of their own kind from one generation to the next.
Explanation:
I majored in Biology.
In desert plants, rate of water loss gets reduced due to the presence of
Answers
Answer:
In desert plants, rate of water loss gets reduced due to the presence of cuticle.
Explanation:
Cuticle are protective, hydrophobic waxy covering produced by epidermal cells of leaves, young shoots and other aerial parts. It minimises the water loss through transpiration (with the help of stomata) and also reduces pathogen entry.
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All populations blank and depend on each other.
Answers
Answer:
All populations coexist and depend on each other.
Explanation:
Depending on if you're given a word bank, or specific choices of words. Let me know if so.
Mendel discovered the basic laws of inheritance experimenting with peas. His basic rules can explain inheritance if there is only one gene involved. When there is more than one gene or the environment influences gene expression, the rules are more complicated.
Determine whether the examples listed below are examples of Mendelian inheritance or complex inheritance.
Complex: tameness in silver foxes; skin color in humans; coat color in Labradors
Mendelian: body size in dogs; flower color in peas
Answers
Body size in dogs and flower color in peas are examples of Mendelian inheritance, while tameness in silver foxes, skin color in humans, and coat color in Labradors are examples of complex inheritance.
Mendel's laws of inheritance explain how traits are passed down from generation to generation through the transmission of genes. These laws apply when there is only one gene involved, and the environment does not influence gene expression. Inheritance becomes more complicated when there are multiple genes involved, or when the environment plays a role in gene expression.
Body size in dogs and flower color in peas are examples of Mendelian inheritance because they are controlled by a single gene with clear dominant and recessive alleles. On the other hand, tameness in silver foxes, skin color in humans, and coat color in Labradors are examples of complex inheritance because they are controlled by multiple genes with varying degrees of dominance and interaction.
Additionally, environmental factors can influence the expression of these traits, making inheritance more complex.
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Which 3 are the biggest problem facing our environment today. (choose only 3)
Maintaining Biodiversity
Pollution
Habitat destruction
Resource use
Deforeststation
Population growth
Answers
Answer:
pollution
deforestation
population growth
A function of the large intestine is to absorb:_________
a) vitamins and minerals
b) fats and proteins
c) water and minerals
d) proteins and carbohydrates
Answers
C. Water and minerals
There are more hydrogen bonds at the surface of water creating a film.
Therefore, water has a high surface tension.
A. True
B. False
Answers
Answer:
i think si true i think no sure
The fruiting body found above ground in fungi is called the
A. cap.
B. hyphae.
C. mycelium.
Answers
Answer:
fruiting body is called cap
The mycelium is the fruiting body found above ground in fungi.
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.
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the parietal and visceral pleurae are actually two parts of a single, continuous membrane. true/false
Answers
The statement is true. The parietal and visceral pleurae are actually two parts of a single, continuous membrane.
The two layers of the pleura, namely parietal pleura and visceral pleura, are different components of the same, unbroken membrane. The pleural cavity is the space between the two-layered pleura that surrounds the lungs, as well as the lining of the chest wall. The pleura is divided into two parts. The parietal pleura and the visceral pleura are the two layers of the pleura.
The parietal pleura is the outermost layer that adheres to the chest wall and diaphragm, while the visceral pleura is the innermost layer that adheres to the lungs. Both pleural layers are actually two parts of a single, unbroken membrane that folds back on itself at the lung's roots to encase the lung. The pleural cavity, which is situated between the pleura layers, contains a small quantity of serous fluid, which serves as a lubricant between the lungs and the chest wall.
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the largest moon in the solar system, orbits which planet?
A.)Jupiter
B.) Mars
C.) Saturn
D.)Uranus
Answers
Answer:
A.) Jupiter
Explanation:
The largest moon Ganymede in the solar system, orbits the Jupiter planet.
Explanation:
the largest moon in the solar system, orbits in the Jupiter planet
which best Compares DNA and RNA with regard to the process of protein production
Answers
Answer:
D-RNA leaves the nucleus during the process and DNA remains in the nucleus.
Explanation:
Briefly describe Frederick Griffith’s experiments that led him to a transforming principal
Answers
Griffith combined live non-virulent bacteria with a heat-inactivated virulent strain in this experiment. He then infected mice with this concoction, and the mice got pneumonia and died, much to his amazement. He was also successful in isolating colonies of the virulent strain from these mice.
Griffith's experiment, initially published in 1928 by Frederick Griffith was the first to show that bacteria may transfer genetic information via a process known as transformation. Griffith's discoveries were followed by studies in the late 1930s and early 1940s that identified DNA as the substance that transmitted genetic information.
In the aftermath of the post-WWII Spanish influenza pandemic, pneumonia was a leading cause of mortality, and Griffith was researching the prospect of developing a vaccine. Griffith employed two strains of pneumococcus (Diplococcus pneumoniae) bacteria that infect mice: a virulent type III-S (smooth) strain and a nonvirulent type II-R (rough) strain.
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if the sequence on the dna molecule calls for a protein with the following dna codons, (1) what would be the sequence on the mrna, (2) what would be the sequence on the trna, and (3) what would be the amino acid sequence of the protein being made?
Answers
1) The mRNA sequence would be AUG AAU GUU UGG UAU UAA.
2) The sequence of the tRNA would be UAC UUA CAA ACC AUA AUU.
3) The amino acid sequence of the protein being made would be the Methionine Asparagine Valine Tryptophan Tyrosine STOP.
A three-nucleotide sequence in a DNA or RNA molecule that codes for a particular amino acid. Certain codons indicate the beginning or finish of translation. These are known as start (or termination) codons. A three-nucleotide sequence present on tRNA that binds to the equivalent mRNA sequence is known as an anticodon. The anticodon sequence determines which amino acid is delivered by the tRNA molecule.
The molecule found inside cells holds the genetic information necessary for an organism's growth and function. DNA molecules enable this information to be handed along from generation to generation. A double-stranded helix of DNA is kept together by weak hydrogen bonds among purine-pyrimidine nucleotide base pairs.
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unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs. State True or False your answer:
a. True
b. False
Answers
It is False that unlike bacterial infections, populations of pathogenic viruses do not evolve resistance to antiviral drugs.
In populations of immunocompromised individuals, antiviral medication resistance is an increasing issue because persistent viral replication and prolonged drug exposure favor resistant virus subtypes. Rapid diagnosis of resistance is possible by comparing specific viral mutations with drug resistance discovered by phenotypic testing.
To manage drug resistance, one must optimize host factors and medicine administration, select alternative therapies based on knowledge of the mechanisms driving resistance, and develop innovative antivirals.
Hepatitis B and drug-resistant herpesviruses are discussed in this article. In populations of immunocompromised individuals, antiviral medication resistance is an increasing issue because persistent viral replication and prolonged drug exposure favor resistant virus subtypes.
phenotypic testing's detection of resistance to particular drugs in common viral variants allows for the quick detection of resistance.
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Explain WHY photosynthesis and respiration are NOT able to create a cycle of energy?
Answers
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
In a plant cell, photosynthesis and cellular respiration can both take place simultaneously. Plants carry out both photosynthesis and cellular respiration during the day. Cellular respiration continues because it provides the energy required for essential cell functions.
What role of photosynthesis and respiration in plant?Water and carbon dioxide are changed into oxygen and glucose during photosynthesis. The plant consumes glucose and produces oxygen as a byproduct.
Oxygen and glucose are transformed into water and carbon dioxide during cellular respiration. By-products of the process include carbon dioxide, water, and ATP, which is turned into energy.
To power cellular respiration, photosynthesis uses the energy it produces. During photosynthesis, solar energy is used, collected, and stored in the bonds of glucose molecules.
Therefore, photosynthesis and respiration not involve energy formation cycle.
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C6H12O6 + 602 --> 6CO2 + 6H20 + ATP
In the reaction above, CoH12O6 and 602 are called the
Answers
Answer:
Reactants
Explanation:
In the reaction:
C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP
The reaction is a metabolic reaction that produces energy from the breakdown of glucose when it reacts with oxygen.
In the reaction C₆H₁₂O₆ and O₂ are the reactants.
These are the raw materials need for the reaction to proceed in the right direction successfully.
On the right hand side, we have the products.
Choose the 4 reasons that contributed to Mendel selecting the garden pea as his experimental subject.
A. It is not possible to perform cross-pollination in peas.
B. There were a large number of pure varieties.
C. The garden pea had a relatively long generation time.
D. The garden pea had a relatively short generation time.
E. It was one of the few plants that can be grown in a garden.
F. Garden peas can self-fertilize.
G. Earlier investigators had produced hybrid peas.
Answers
There were a large number of pure varieties and relatively short generation time. It was one of the few plants that can be grown in a garden as well as can self-fertilize.
Mendel select pea plants as a subject for his experiments because the flowers of pea plant are bisexual, self-pollinating means both male and female present on the same flower so self and cross-pollination can be done easily.
The different physical characteristics of the pea plant were easy to study. The garden pea had a relatively short generation time means it can complete its lifecycle in short period of time. It was one of the few plants that can be grown in a garden easily.
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Answer:the garden pea had a relatively short generation time
They were a large number of pure varieties
Earlier investigations had produced hybrid peas
Garden peas can self-fertilize
Explanation:
Zebras and other grazers band together when grazing. which type of behavior is this?
Answers
The behavior of zebras and other grazers banding together while grazing indicates their social behavior to protect themselves and their group mates from predators.
Grazing: It is a process in which herbivores roam from one place to another in search of grass, small plants, etc which are the main source of food for them. It involves forage search, selection of forage, and eating the selected forage. Different animals differ in the type and method of searching and eating forage. This different grazing behavior makes them different from one another.
Although, one common thing which is observed in these grazing animals is the practice of grazing in bands or groups. This is generally noticed in the area where they have more danger from predators so they practice this banding method as a protective measure because predators find it difficult to attack groups and they get less chance to kill a lone individual.
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Pls help this is due today
Answers
Answer:
scientific method can help resolve problems logically
Answer:
b. scientific
Explanation:
the method most talked about in science is the scientific method. I've never really heard of any of the other methods, they don't make sense with the question anyway.
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Please help! skin melanocytes produce the protein melanin, which gives the skin pigment. muscle cells do not produce melanin. which statement explains this difference between skin melanocytes and muscle cells?
A. muscle cells rely on rna, while melanocytes rely on dna.
B. melanocytes and muscle cells express different genes.
C. muscle cells destroyed the gene for melanin, but melanocytes did not.
D. melanocytes contain different genes from muscle cells
Answers
Answer:
The correct answer is B. "Melanocytes and muscle cells express different genes."
Although all cells in an organism (such as a human) contain the same DNA, different cell types express different sets of genes. Gene expression is the process by which specific genes are activated to produce a needed protein. In this case, the gene responsible for melanin production is expressed in melanocytes, but not in muscle cells.
This does not mean that muscle cells have destroyed the gene for melanin (as stated in option C) or that melanocytes contain different genes from muscle cells (as stated in option D). All cells within an organism contain the same genes, but not all genes are expressed in every cell. The process of gene expression is regulated by the cell to ensure that each cell type functions properly.
Option A is also incorrect because all cells, including both muscle cells and melanocytes, rely on both DNA (for storing genetic information) and RNA (for transmitting that information and producing proteins). DNA is transcribed into RNA, which is then translated into proteins. This process occurs in all cells.
The statement explains the difference between skin melanocytes and muscle cells is - melanocytes and muscle cells express different genes. So option b is correct.
Melanocytes are dark, dendritic-shaped, highly differentiated cells that secrete melanin, a pigment found in melanosomes, which is the primary function of melanocytes.
Melanocytes are a type of cell derived from the neural crest. They form a synapse with keratinocytes through their dendrites in the epidermis. Melanocytes play an important part in skin pigmentation and their role in the generation and distribution of melanin has been extensively studied.
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biological anthropologists study only africa where humans evolved true or false
Answers
False, biological anthropologists do not study only Africa where humans evolved. Biological anthropology is a subfield of anthropology, the study of human behavior, culture, and societies.
Biological anthropologists, also known as physical anthropologists, study the physical and biological aspects of human beings, including their evolution, genetics, and anatomy. They examine the biology of human beings and their ancestors, seeking to understand the physical and biological changes that have occurred over time. Their research also focuses on human origins, primatology, human variation, and forensic anthropology, among other topics. While Africa is an important region in the study of human evolution, biological anthropologists study human biology and evolution all around the world.
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of all the green algae, which are most closely related to land plants?
Answers
The two main types of green algae are charophytes and chlorophytes, and it is generally accepted that charophytes are the closest living relatives of land plants.
A clade of freshwater green algae known as charophytes is categorized as either a super division or an unranked division depending on the situation. The family Zygnematophyceae is a sister group to the terrestrial plants, the Embryophyte, which may have evolved from terrestrial unicellular charophytes.
It is possible that the clade Streptophyta would develop if Embryophyta were grouped with Charophyta. The term "Streptophyta" refers to the Embryophyta, which may already be a subclass of the Charophyta. The Chlorophyta is the class that the Charophytes belong to.
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Which reason best explains why living things need carbon
Answers
Answer:
Its ability to form polymers makes it an ideal partner for molecules that generate life. Carbon is a key chemical element for life and the natural processes that take place on earth.
You CAN take antibiotics for viruses like this years virus?
True of false?
Answers
Answer:
False
Explanation:
You can't take an antibiotic for a virus. But there is a vaccine.
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what are the studying of these branch of biology , parasitology, physiology, palentology and pharmacology
Answers
The studies of these branch of biology , parasitology, physiology, paleontology and pharmacology are called subdisciplines of biology.
What is parasitology?Parasitology is described as the study of parasites, their hosts, and the relationship between them.
The four branches of Parasitology are:
Animal parasites are the focus of veterinary parasitology.
structural parasitology is the study of parasite protein structures.
The quantitative investigation of parasitism in a host population is known as quantitative parasitology.
The field of parasite ecology investigates how parasites affect the environment.
In conclusion, these terms indicate specialist knowledge and study within each individual subject and describe the particular areas of expertise within biology.
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