Answers
Answer:
lead carbonate
Explanation:
The ionic compound PbCO3 is called lead(II) carbonate.
Let's break down the name to understand it better:
1. The symbol "Pb" represents the element lead.
2. "CO3" is the chemical formula for carbonate, which is a polyatomic ion consisting of one carbon atom and three oxygen atoms.
To name the compound, we use the Stock system for naming compounds containing transition metals like lead.
1. The Roman numeral "(II)" indicates the charge of the lead ion in the compound. In this case, lead has a +2 charge. The Roman numeral helps differentiate between different possible charges of the metal ion.
2. The word "carbonate" represents the polyatomic ion CO3.
Therefore, the name of the ionic compound PbCO3 is lead(II) carbonate.
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Related Questions
A pure substance where atoms of two or more elements are chemically bonded to one another?
Answers
What were the Himalayan Mountains formed by?
The gravity of the Sun pulling on Earth's crust
Erosion over time
A meteor hitting Asia
The movement of Earth's crust
Answers
Answer: The movement of the Earth's crust
Explanation:
The movement of the earth's crust is responsible for the formation of the Himalayas. The Himalayas ranges and the Tibetan plateau is formed by the result of the collision between the Indian plate and the Eurasian plate which started 50 million years ago.
This leads to the movement of the earth's crust which aimed to the formation of the mountains.
The movement of the plates lead to the movement of the earth's crust which lead to the formation of Himalayan mountain.
How do you test for carbohydrates, proteins, and lipids?
Answers
Answer:
benedicts solution
Explanation:
hope this helps
it will change colour
Hi there!
Explanation:
For carbohydrates,you add an iodine solution to it.If it contains starch,it will turn a blue+black colour.
For proteins,you add a bierut solution to the protein mixture you are testing.If it turns purple or has purple in between layers it has protein.
For lipids,you add a Sudan III solution to the mixture of lipids and shake the test tube.A red layer forms on top and shows fats and oils are present.
Hope this helps!
A forest has many trees and bushes that produce nuts. This a major food source for many species, including a
Answers
The provided question is incomplete as there can be more than one answer to this question, however a generalized answer is given:
Answer:
Birds like wood pecker and jay, animals like monkey, chipmunks, and rabbits.
Explanation:
A forest is a large part of the land with various kinds of trees, bushes. In the forest various kind of animals, birds, and insects are found. All these diverse animals rely on trees, bushes, or each other for there food.
Many trees and bushes produce nuts in a forest that plays a major role in food source for many species of animals and birds such as jay and woodpecker bird. In animals chipmunks, monkeys and rabbits are major species.
A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below. Normal: Met - Tyr - His - Glu - Val Mutant: Met - Phe - Thr - Lys - Cys - Lys - Trp - Arg - .....
Was this mutation cause by an insertion or a deletion?
Answers
Answer:
Explanation:
The mutation was caused as a result of deletion of one letter of the codon A from tyrosine leading a shift in the reading frame.
Normal is
Normal - Met - Tyr -His- Glu- Val
Aug- Uac- Cac - Gaa -Gug
When a is removed from Tyrosine codon we have a shift in the reading frame to form a mutant with a new codon and protein.
Mutant - Met- Phe - Thr - Lys -Cys
Aug- Ucc- Acg - Aag -Ugu
Mutation is a sudden change in the genie of an organism that can be heritage by offspring from their parent.
What is the definition of self-definition?
Answers
Answer:
Self definition is being able to know who you are and what your purpose is in life. An example of self definition is when you know you are a strong, capable, confident teacher and husband.
Answer:
self-definition- a person's essential being that distinguishes them from others, especially considered as the object of introspection or reflexive action.
The dawn of the realization that biology was about information storage coincided with the
dawn of information-based computers. In 1943, Erwin Schrödinger was the first scientist to
suggest genes contain a code, just as a computer program is based on numerical code. Still
so few scientists believed DNA was the molecule encoding for hereditary information. Why?
Answers
Answer:
Scientists believed DNA was the molecule encoding for hereditary information due to the presence of makeup material inside in it.
Explanation:
The Hershey–Chase experiments which was conducted in 1952 indicate that DNA contains genetic material which has all the information about the makeup of living organism. DNA molecule has all information of making proteins and produces proteins which are necessary for the normal functioning of body of living organism. DNA molecule is just like a recipe book which contains all information of making protein.
crees que la esclavitud atenta contra la diversidad cultural y el multiculturalismo
Answers
Answer:
Sí, creo que la esclavitud amenaza la diversidad cultural y el multiculturalismo porque la esclavitud proviene de la opresión y la pérdida de la identidad. También implica verse obligado a abrazar otras ideologías mientras relega a un segundo plano las propias creencias personales, lo que resulta en una falta de multiculturalismo.
Explanation:
La esclavitud es la inhumanidad del hombre hacia el hombre. Despoja al esclavo de su sentido de existencia y sistema de creencias. Esta opresión, que a menudo es física, mental y psicológica, hace que el individuo pierda autoestima e identidad. En un entorno que debería promover la diversidad cultural cuando conviven personas de diversas razas y culturas, existe una conformación a una forma de vida que dificulta el desarrollo del multiculturalismo. Aunque esto puede ser resistido inicialmente, las horas extra de estos descendientes pierden su identidad.
Oxygen-rich blood is transported from the lungs by the _____.
pulmonary vein
pulmonary artery
trachea
bronchi
Answers
Answer:
Pulmonary artery
Explanation:
Answer:
B. Pulmonary Artery
Explanation:
just cause i had to learn this
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Which scenario is an example of a functional adaptation?
Answers
=>functional adaption is an adaption that helps an organism survive. So, the color and shape of a flounder allows it to camouflage itself among the sea floor to hide itself from predators. Flounders ability to camouflage protects them, so they can
survive. The correct answer is D. The color and shape of a flounder allows it to camouflage itself on the sea floor.
Which does a reference point provide?
a position from which to measure future distance
a set of standard units for measuring displacement
a standard method for evaluating variables
a method for determining the speed of an object
Answers
Answer:
A position from which to measure future distance a way to detect an object motion.
A reference point provides a position from which to measure future distance.
A reference point is a location or point in space that serves as a criterion that is used to determine an object in motion. When an object moves in relation to a reference point, it is said to be in motion.
Therefore, we can conclude that a reference point is also used to determine a position from which we can draw a line to measure a future distance.
Learn more about reference points here:
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Question 14
2 pts
Which of the following reactions in a cell would result in a release of energy?
O Both B & D would result in a release of energy.
O B. The enzyme sucrase breaking down sucrose into fructose and glucose.
O A. Enzymes facilitating the bonding of amino acids together to form a polypeptide
O D. The breakdown of glucose in cellular respiration.
O C. The enzyme ATP synthase facilitating the bonding of the third phosphate group to ADP, resulting in
the formation of ATP.
Answers
Answer:
Both B & D would result in a release of energy.
Explanation:
hope it helps .
Select all that apply.
The male and female parts of a flower are the _____.
· pistil
· stamen
· receptacle
· sepal
· petal
· tendril
Answers
Answer:
For the male part of a flower, it is called a stamen. For a female, it would be called the pistil.
the female and male part is the stamen and pistil
Early scientists were conflicted about the mechanism by which cells were created, with some scientists holding the viewpoint that cells were spontaneously crystallized in what was known as free cell formation. Robert Remak discovered ways to fix and observe cell membranes in various stages of cell division. These findings led Rudolf Virchow to proclaim in 1855, Omnis cellula e cellula (every cell comes from another cell), thus completing the tenets of cell theory.
Answers
Answer: All cells come from preexisting cells.
Explanation:
The given paragraph is about cells develop from the preexisting cells. The doubling of the genetic material in the S-phase is the triggering mechanism for cell division. In the process of mitosis the genetic material get reduced. The daughter cells vary by the amount of genetic material they receive. This proves that the new cells form from the pre-existing cells.
who causes someone to have a bar head
Answers
Answer:
the barber
Explanation:
he cuts hair
_________8. Which of the following is probably evolved first?
A. The kreb’s cycle C. Oxidation of pyruvate
B. Electron transport chain D. Glycolysis
Answers
Answer:
I think D) Glycolysis
Explanation:
Glycolysis is the first pathway used in the breakdown of glucose to extract energy. It takes place in the cytoplasm of both prokaryotic and eukaryotic cells. It was probably one of the earliest metabolic pathways to evolve since it is used by nearly all of the organisms on earth.
Quando é necessária a análise dos efeitos de substâncias, naturais ou artificiais sobre animais ou vegetais, aquáticos ou terrestres que compõem a biosfera estamos nos referente a
Answers
Resposta:
Ecotoxicologia
Explicação:
A ecotoxicologia é o estudo das interações que os seres vivos possuem não só entre si, mas também com o ambiente em que esses seres vivem.
Estudos de ecotoxicologia buscam compreender os diferentes tipos de reações causadas por substâncias químicas, bioquímicas e os processos biológicos que podem ocasionar essas reações, considerando a sensibilidade que diferentes organismos possuem a essas substâncias e os potenciais toxicológicos delas.
Decide if the following sentences are true or false. You have to correct the false ones.
a) There are four kinds of coal depending on their carbon content.
b) Coal is usually found in liquid state.
c) Fossil fuels are the result of the descomposition of plants and animals from the past.
d) Petroleum is the cheapest source of energy.
Answers
Answer:
b) is false coal is usually found in solid state.
Explanation:
Research findings suggest that symptoms of schizophrenia are more likely to be present when the individual has a genetic predisposition to schizophrenia and also experiences a stressful environmental event. These findings are consistent with a model of _______________________. Group of answer choices probandwise concordance gene-environment interaction reactive genotype-environment correlation active genotype-environment correlation
Answers
Answer: gene-environment interaction
Explanation:
Schizophrenia is a disorder associated with the psychology and mental make up of the person. The person interprets the reality abnormally. This is associated with hallucination, disordered behavior and delusions.
The gene and the environmental interaction both play an important role in development of this disorder. The environment factors like stress can be dominant over the gene expression. If a person has genes for development of schizophrenia along with the stressed environment then the chances of development of schizophrenia will be prominent.
Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation,
H
H-C-0-H
C-
0
H-O
0-H
H
0-H
H
0-H
Which chemical formula reflects the diagram?
6012H6C
6C12H60
Mark this and turn
Save and Exit
Next
Submit
Answers
Answer:
The options to this question are incomplete, the complete options are:
A) 6O12H6C
B) 6C12H6O
C) O6H12C6
D) C6H12O6
The correct answer is D) C6H12O6
Explanation:
According to the question, Miles is trying to write down the chemical equation for Photosynthesis. Photosynthesis is a chemical reaction that cells of autotrophic organisms undergo in the presence of sunlight to produce their food. Photosynthesis, which occurs in the Chloroplast, involves the chemical reaction between Carbondioxide (CO2) and water (H2O) to produce a sugar called glucose (C6H12O6) and oxygen gas (O2).
The food is synthesized as glucose, which is a monosaccharide (simple carbohydrate) that cells absorb in order to synthesize energy (ATP).
The overall equation of photosynthesis is as follows:
C02 + H2O ---light---> C6H12O6 + 6O2
The diagram in the question, although incomplete, depicts the sugar (glucose) component of the equation. The correct chemical formula for this sugar is written as: C6H12O6
New triglycerides (fatty molecules) are constantly synthesized and stored and others are
hydrolyzed and released into circulation mostly from cells in
a. blood
b. fibrous connective tissue.
c. adipose tissue.
d. reticular tissue.
e. transitional tissue.
Answers
Answer: Option C.
Adipose tissues.
Explanation:
New glycerides are can either go to the liver once or circulation or stored in adipose tissue.
Adipose tissues are connective cells that consist of adipocytes or fat cells which store energy inform of fat and also release it into circulation. It serves as insulation to the body.
Adipose tissue stores fat gotten from food and from liver metabolism. They store fat as energy source and under energy stress, they release it into circulation.
Hebb's postulate from 1949 states "When an axon of cell A is near enough to excite cell B and repeatedly or persistently takes part in firing it, some growth process or metabolic change takes place in one or both cells such that A's efficiency, as one of the cells firing B, is increased." Give an example of how synaptic plasticity results in: a. Growth processes b. Metabolic changes
Answers
Answer and Explanation:
Synaptic plasticity can be defined by the dynamic state capable of producing and enhancing selectively the direction and the activity of neurons in neural circuits.
Synaptic plasticity may play important roles during growth because it is a feature that has the potential to act as a feedback in order to excite and inhibit functions associated with signaling pathways. For example, it has been shown that neurotrophins modulate the synaptic plasticity, thereby controlling the growth and development of the central nervous system.
Synaptic plasticity may also be associated with metabolic changes. For example, the synaptic plasticity enables to modify those cellular preferences associated with the use of energy derived from fats and carbohydrates in the cell.
How does a hormone like ADH only know to have an effect on the cells of the kidney and nowhere else?
Answers
Answer:
Vasopressin or antidiuretic hormone (ADH) or arginine vasopressin (AVP) is a nonapeptide synthesized in the hypothalamus. Science has known it to play essential roles in the control of the body’s osmotic balance, blood pressure regulation, sodium homeostasis, and kidney functioning. Given its vital role in multiple functions, it is no surprise that ADH is of great clinical significance. ADH primarily affects the ability of the kidney to reabsorb water; when present, ADH induces expression of water transport proteins in the late distal tubule and collecting duct to increase water reabsorption. Several disease states arise when the body loses control of ADH secretion or responds to its presence.
Explanation:
Which phrase best describes a scientist?
Answers
Explanation:
A process that includes the different ways that scientists find out about the natural world and try to explain what they have observed.
Answer:
:They are helpers of the world who find out about the natural world and try to explain what they have observed.
Explanation:
Increase in tension by increasing the number of motor units that are stimulated is called _________. Increase in tension by increasing the number of motor units that are stimulated is called _________. muscle tone autorhythmicity hypertonia recruitment
Answers
Answer: Recruitment
Explanation:
A motor unit is made up of a motor neurone and all the muscle fibre it supplies nerve to.
Within a muscle, the muscle fibers are functionally organized as MOTOR UNITS within a muscle.
MOTOR RECRUITMENT causes an increase in muscle tension which occurs when there is an increased number of stimulated motor units.
During a muscle contraction, the weakest motor units are recruited to contract first,The more weight (resistance) you add to a muscle, the more motor units you will need to recruit in order to generate movement.Recruitment stops as soon as movement starts, result is a smooth, even muscle contraction. I hope this helps, thanks.
Explain what would happen if the heart had no intercalated discs
Answers
Answer:
Explanation:
if intercalated discs are not present in the cardiac muscles then they might not contract properly and thus blood would not be pumped efficiently to other organs
To determine whether regulation of gene expression by short RNAs was a naturally occurring phenomenon, researchers isolated RNA from a cell and fractionated them by size to obtain only short RNAs. The next step was to clone these molecules.
Today the cloning step would not be required. Which of the techniques below is the best reason why?
A. Because a microarray could tell if the fragments were encoded by the genome.
B. Because a PCR reaction could tell if the fragments were encoded by the genome.
C. Because an RNA-seq reaction could tell if the fragments were encoded by the genome.
D. Because a yeast 2 hybrid could tell if the fragments were encoded by the genome.
E. Because a GFP fusion could tell if the fragments were encoded by the genome.
Answers
Answer:
C. Because an RNA-seq reaction could tell if the fragments were encoded by the genome.
Explanation:
The combination of single-cell RNA sequencing (RNA-Seq) and bioinformatic tools to assemble and annotate sequence reads is currently the most common methodology used to obtain complete transcriptomes from individual cells. RNA-seq is a Next-Generation Sequencing (NGS) technology that enables the analysis of the entire transcriptome, thereby this method can be used to examine gene, allelic and ncRNA expression. In the last years, RNA-seq has become the gold standard technique for direct analysis of ncRNA expression profiles in biological samples and clinical research.
What are long term effects of global warming?
Answers
Answer:
Extreme warm weather, glacial melting, rising sea levels, Ocean Acidification,Animal Migration and Extinction of Species, The Increase of Health Issues and Costs.
Oxygen-rich blood is transported from the lungs by the _____.
pulmonary vein
pulmonary artery
trachea
bronchi
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Answer: FROM THE PULMONARY VEIN
Explanation: oxygen poor blood from the right ventricle into the lungs, where the oxygen enters the bloodstream. The pulmonary veins bring oxygen rich blood to the left atrium.
Which best describes fossil record
Answers
Answer:
The fossil record provides evidence of a common ancestor to many species. A fossil record provides the confirmation of the typical progenitor and its numerous species. A fossil is known as the remaining parts of a certain living life.
