Answers
Answer:
as a result of an atom, typically a metal, losing an electron, and becomes a positive ion or cation
Related Questions
hydrogen and oxygen come pouring out. it drips and it dribbles and it comes from a spout
Answers
Answer:
Water
Explanation:
This looks like a proverbial question, so I'll try and answer it as best as I can
Th mixture of 'hydrogen and oxygen came pouring out' to give water. Water is a liquid that 'drips and dribbles and it comes poring from a spout'
The question is talking about the reaction between hydrogen and oxygen to give water; a form of liquid as the by-product.
The reaction involves one atom of oxygen reacting with two atoms of hydrogen with an hydrogen bonding in-between to give a molecule of water.
Also note that a spout is a stream of liquid issuing from somewhere with great force. So the answer is water.
Please help, there is also option D, which is "Structure D, by bending"
Answers
It is the crystallin, structure B by bending.
Which gene may play a role in patterning the forelimb?
Answers
Answer: Posterior HoxA and HoxD genes play important roles in patterning along the proximodistal axis of the forelimb (10–13). They also are required for activating and maintaining Shh expression in the developing forelimb (6, 7). mark brainliest
Explanation:
scientists often depict their understanding of an organism's evolutionary ancestry in diagrams called . question 37 options: hierarchical trees taxonomic trees classification trees ancestral trees phylogenetic trees
Answers
The phylogenetic trees are the scientists often depict their understanding of an organism's evolutionary ancestry in diagrams called.
Phylogenetic tree, additionally called a phylogeny, is a diagram that depicts the traces of evolutionary descent of various species, organisms, or genes from a not unusualplace ancestor. A phylogenetic tree is a diagram that represents evolutionary relationships amongst organisms. Phylogenetic timber are hypotheses, now no longer definitive facts.
The sample of branching in a phylogenetic tree displays how species or different companies developed from a chain of not unusualplace ancestors.phylogenetic tree is a diagram that represents evolutionary relationships amongst organisms. Phylogenetic timber are hypotheses, now no longer definitive facts. The sample of branching in a phylogenetic tree displays how species or different companies developed from a chain of not unusualplace ancestors.
Read more about phylogenetic tree;
https://brainly.com/question/2189834
#SPJ4
After researching the possible effects of music, Elaina proposes that if people listen to faster-paced music, their pulse rates will increase more than if they listen to slower music. Her mother listens to classic rock at a high volume for 30 minutes, her younger brother listens to classical music quietly while he sleeps at night, and her grandmother listens to two hours of rap at a medium volume. Elaina records each person's pulse before and after listening to the music. What is missing from Elaina's scientific investigation?
Answers
Answer:
Constant variables
Explanation:
Elaina's investigation lacked the critical ingredient of constant variables which are important components of every scientific investigation. In every research, there are 3 important variables, namely:
1. Dependent variables: the actual variable to be measured during the course of investigations and whose values are dependent on another variable (independent variable) supplied by the investigators.
2. Independent variable: one of the variables that are supplied by investigators whose values are often manipulated to see the kind of changes it will cause to the dependent variable.
3. Constant variables: other variables that are neither independent nor dependent but constant for all the various experimental groups in investigations.
Constant variable is the factor which is missing from the Elaina's scientific investigation.
Constant variable is a type of variable that does not change or remain constant in the experiment. Elaina has to keep the type of music same to all the individuals such as the rap music should be replaced by classical music. This variable should be maintained constant for all people who participated in the experiment, then we will obtain the right results from the experiment so we can conclude that constant variable is the missing factor.
https://brainly.com/question/24200695
Euchromatin (a) stains lightly ( b ) is partially condensed ( c ) genetically active chromatin with genes ( d ) all of the above
Answers
Euchromatin are genetically active chromatin with genes. The correct option is C.
The euchromatin region of chromatin is involved in the transcription of DNA into messenger RNA. Because euchromatin is more permeable, RNA polymerase complexes and gene regulatory proteins can be recruited, transcription can begin.
Decondensed forms of euchromatin are found in the distal arms of chromosomes. Typically, it replicates throughout the S phase and covers the entire nucleus. Euchromatin is the transcriptionally active type of chromatin.
Euchromatin is more genetically active than heterochromatin because it contains more genes and is loosely packed, making it a simpler format for acquiring genetic data.
To learn more about chromatin,
https://brainly.com/question/1600307
Which of the following helps protect biofilms from issues such as drying out and predators
a.) Extracellular polymeric substances
b.) Quorum sensing
c.) Becoming sessile
d.) Autoinducers
Answers
Extracellular polymeric substances help protect biofilms from issues such as drying out and predators. Option A
Biofilms are complex communities of microorganisms that adhere to surfaces and form a protective matrix. They can be found in various natural and artificial environments, such as riverbeds, medical devices, and plumbing systems. Biofilms provide advantages to the microorganisms within them, including protection from environmental stresses and predators.
One of the key components that helps protect biofilms is extracellular polymeric substances (EPS). EPS are complex mixtures of polysaccharides, proteins, and DNA that are secreted by microorganisms within the biofilm. These substances form a matrix that encases the cells, providing structural support and protecting the community.
EPS help biofilms resist drying out by retaining water and preventing desiccation. The polysaccharides in EPS can absorb and retain moisture, creating a hydrated environment within the biofilm even in dry conditions. This is crucial for the survival of the microorganisms within the biofilm.
Additionally, EPS serve as a barrier against predators. The matrix formed by EPS can make it difficult for predators, such as protozoa or grazing organisms, to access and consume the microorganisms within the biofilm. It acts as a physical defense mechanism, limiting the exposure of the microorganisms to predation.
While quorum sensing, becoming sessile (immobile), and autoinducers are all important mechanisms and processes associated with biofilms, they do not directly address the protection of biofilms from drying out and predators. So Option A is correct.
For more question on biofilms visit:
https://brainly.com/question/13232627
#SPJ8
Since plant matter generates heat as it decomposes, where would a fire be most likely to start in the piles of grass?
Answers
Answer:
In the middle of the pile of grass.
Explanation:
The fire would be most likely to start in the middle of the piles of grass if spontaneous combustion occurs because the heat doesn't easily move through the medium due to the insulating nature of grass. A pile of grass can catch fire due to spontaneous and quick combustion in the middle of piles of grass. So the fire starts in the middle of the pile of grass.
List and explain the characteristics of living things
Answers
Answer:
Life process
Movement
Respiration
Sensitivity
Growth
Reproduction
reason:
Life process
Explanation
Earthworms
Movement
All living things move in some way. This may be obvious, such as animals that are able to walk, or less obvious, such as plants that have parts that move to track the movement of the sun.
Earthworms use circular and longitudinal muscles to move through soil or along surfaces.
Respiration
Respiration is a chemical reaction that happens within cells to release energy from food.
The food that earthworms eat supplies their body with energy-rich molecules such as glucose. On entering the cells of their body, these molecules are broken down in a series of steps to release energy to be used by the body, producing carbon dioxide and water as waste products.
Sensitivity
The ability to detect changes in the surrounding environment.
Earthworms have light-sensitive cells scattered in their outer skin. Their skin cells are also sensitive to touch and chemicals.
Growth
All living things grow.
Earthworms hatch from eggs and can grow up to a metre or more in length! Some earthworms are also able to regrow small parts of their body that have been lost or injured.
Reproduction
The ability to reproduce and pass genetic information onto their offspring.
Earthworms have both sperm and eggs within their bodies (they are hermaphrodites) but they cannot self-fertilise and need to mate with another individual. After mating, a cocoon containing the fertilised eggs is deposited in the soil.
Excretion
Getting rid of waste.
Earthworms excrete waste from their anus – the last segment of their body.
Nutrition
The intake and use of nutrients. This occurs in very different ways in different kinds of living things.
Earthworm nutrition comes from a variety of sources, depending on their species. Food types include manure, compost, plant material, fungi, microorganisms and decaying animals. They take in food through their mouths.
The products of photosynthesis serve as substrates for aerobic respiration, while those of aerobic respiration are utilised in photosynthesis. Considering the substrates and products of these two biological processes, discuss how they feed into one another.
Answers
Photosynthesis and aerobic respiration are two essential biological processes that are intimately connected, as they provide the basis for energy flow in most living organisms. Photosynthesis is the process by which plants and some other organisms convert light energy into chemical energy in the form of organic molecules, while aerobic respiration is the process by which cells break down organic molecules to release energy in the form of ATP (adenosine triphosphate).
The products of photosynthesis, which are organic molecules such as glucose and other sugars, serve as substrates for aerobic respiration. During aerobic respiration, these organic molecules are broken down by a series of enzymatic reactions, releasing energy that is used to generate ATP. This energy is used by the cell to carry out various metabolic processes and perform work.
On the other hand, the products of aerobic respiration, which are carbon dioxide (CO2) and water (H2O), are utilized in photosynthesis. During photosynthesis, plants and other organisms take in CO2 from the atmosphere and use it, along with water and light energy, to produce organic molecules such as glucose. This process is facilitated by a group of pigments called chlorophyll, which are located in the chloroplasts of plant cells.
Therefore, the substrates and products of photosynthesis and aerobic respiration feed into one another, creating a continuous cycle of energy flow. The organic molecules produced during photosynthesis provide the energy necessary for cells to carry out aerobic respiration, while the products of aerobic respiration are used in photosynthesis to produce more organic molecules. This cycle helps to ensure that the energy needs of living organisms are continuously met and that the environment remains in balance.
Learn more about Photosynthesis:
https://brainly.com/question/19160081
#SPJ11
Chromosomes pull apart and move toward opposite ends of the cell during which stage of meiosis II?
O prophase II
O metaphase II
O anaphase II
telophase II
Answers
What part of an angiosperm contains the plant’s sperm?
pollen
anther
pistil
Style
Answers
Answer: pollen
Explanation: The anthers bear the pollen grains which contains the male gamete(sperm).
25. Type A blood and Type B blood are dominant to type O blood, but codominant to one another. What would
the blood type of a person who inherited a B allele one parent, and an O allele from the other be?
a. Type A
с. Type AB
b. Type B
d. Type o
Answers
Answer:
C.
The offspring of the two parents would inherit type B blood.
What do you think is the most
dangerous time period for a patient with
CF? Justify your answer.
Answers
I think that the most dangerous time period for a patient with cystic fibrosis is;
Age 35 - 44.Cystic fibrosis is a disease that results when there is a malfunctioning of the epithelial cells that line the walls of the sweat glands, lungs, digestive, and reproductive systems.
It causes the skin to taste salty. The patient suffers from shortness of breath and recurrent pneumonia.
In the graph shown, ages 35-44 seem most dangerous for patients with cystic fibrosis because that is the time when the various bacteria that affect the lungs of patients reach their peak and maintain a constant rate.
Therefore, the patients have a high rate of succumbing to the disease during this period.
Learn more here:
https://brainly.com/question/17208090
Draw concentric circles and label the four layers of the gut. Also label the hole at the inner most circle. List what is in these four layers.
Answers
Explanation:
here is your answer hopes it's helps u
We can find four principal layers composing the digestive tube walls. From the lumen to the exterior: Mucosa, Submucosa, Muscle, and Serosa Layers.
-----------------------------
There are four principal layers composing the digestive tube walls.
From the lumen to the exterior of the tube, we can find,
Mucosa Layer
Composed of lining epithelium, a propria lamina of connective tissue, and a smooth muscle layer.
The epithelium works as a barrier that separates the lumen from the organ.
Propria lamina has glands, vessels that get the absorbed substances, and immune system elements.
The smooth muscle delimitates the mucose from the submucosa layer. It produces movements that are independent of the rest of the organ's movements.
Submucosa Layer
Dense connective tissue is placed under the mucosa.
It has bigger vessels that ramification to the mucose, muscle layer, and serosa layer.
In certain areas, this layer also has glands.
Muscle Layer
Composed of two or three concentric smooth muscle layers that differ in their orientation.
The contraction of these layers mixes and propels the content of the lumen of the digestive tube.
Serosa layer
Connective tissue membrane covered by simple plane epithelium.
High caliber vessels are placed in this layer and limphatic vessels.
There are regions of the digestive tube where there is no serosa layer. Instead, there is a connective tissue named the adventitious layer.
--------------------------------------------------
Related link: https://brainly.com/question/7521994?referrer=searchResults
Which phase of mitosis has the
chromosomes line up along the
center of the cell?
A. Prophase
B. Metaphase
C. Cytokinesis
Answers
Answer:
B. Metaphase
Explanation:
The reason why it is Metaphase is because each of the 46 chromosomes line up along the center of the cell at the metaphase plate.
Andrew is trying to identify an unknown element. The element is dull and
brittle, and it is a poor thermal and electrical conductor. Where on the periodic
table is this element most likely found?
Answers
Answer:
non metals
Explanation:
Which two Kingdoms are nearly the same, except for where they can survive?
A. Plantae and Fungi
B. Protista and Plantae
C. Eubacteria and Archaebacteria
D. Protista and Archaebacteria
Answers
Eubacteria and Archaebacteria are the two Kingdoms are nearly the same. The correct option is C.
What are eubacteria?Eubacteria are prokaryotic microbes that consist of a single cell that lacks a nucleus and contains DNA in the form of a single circular chromosome.
Eubacteria are gram-negative or gram-positive bacteria with economic, agricultural, and medical significance. E. coli, Lactobacilli, and Azospirillum are among them.
Archaebacteria are referred to as ancient bacteria, whilst the eubacteria are referred to as true bacteria.
Archaebacteria, unlike eubacteria, can survive in harsh environments.
The resemblances are that archaea and eubacteria are both prokaryotes, which are single-celled organisms without a nucleus or organelles.
Thus, the correct option is C.
For more details regarding archaebacteria, visit:
https://brainly.com/question/2598723
#SPJ1
what components the atmosphere is increasing?
Answers
Answer:
The concentration of other natural radiatively active atmospheric components, such as methane and nitrous oxide, is increasing as well due to agricultural, industrial and other activities. The concentration of the nitrogen oxides (NO and NO2) and of carbon monoxide (CO) are also increasing.
Explanation:
Gas makes things buoyant, why ? And what are ways that this could be useful?
Answers
Answer:
Gas makes things buoyant by making the volume of an object lighter than the surrounding fluid it is trying to displace.
Gas Buoyancy is useful in the following ways;
• Airships
• Steel ships and
• All floating and flying vessels
Explanation:
Buoyancy is the tendency of an object to float in a fluid such as air or water. It is a phenomenon that was theorized by the mathematician, Archimedes known as the Archimedes Principle.
It states that the upward buoyant force that is exerted on a body immersed in a fluid is equal to the weight of the fluid that the body displaces.
The principle explains the reason why objects float and fly.
So, when an object is immersed in a fluid, it can float due to the upward force exerted by the fluid on the object. But for this to happen, the object has to weigh less than the fluid it is displacing.
This is where the use of a gas comes into play.
Because the object may be heavier than the surrounding fluid it is trying to displace, it is filled with a large amount of gas (usually hydrogen and/or helium) which is lighter. This makes the volume of the gas and the object put together lighter than that of the surrounding air.
This is what causes objects to float or fly
HELP PLEASEEE!!!!!!!!!
Explain some ways that human population impact our ability to fish for food.
Answers
One of the ways that human population impact our ability to fish for food is overfishing.
What is over fishing?The demand for seafood rises along with the world population. To fulfill the rising demand, fishing efforts are increased as a result. When fish populations are overfished, their numbers are reduced and their capacity to reproduce and replenish themselves is compromised.
Overfishing endangers the long-term availability of fish as a food source and disturbs marine ecosystems and biodiversity.
Learn more about overfishing:https://brainly.com/question/31816453
#SPJ1
Which of the following accurately describes the relationship between
feedback mechanisms and homeostasis?
A. Feedback mechanisms are the organism's response to changing
conditions. They keep working until internal conditions return to
normal.
B. Feedback mechanisms counteract homeostasis.
C. Feedback mechanisms have no relationship to homeostasis.
D. A feedback mechanism is initiated when conditions are stable for
too long. They work until the organism wakes up and begins to
move around.
Answers
The correct answer is A. Feedback mechanisms and homeostasis are closely related in that feedback mechanisms help to maintain homeostasis in living organisms. (option-a)
Homeostasis is the process of maintaining a stable internal environment despite external changes. Feedback mechanisms are the physiological responses of an organism to maintain this stability. For example, if the body temperature drops, the feedback mechanism in the body responds by shivering to generate heat and maintain the internal temperature. Similarly, if the body temperature rises, the feedback mechanism in the body responds by sweating to cool down and maintain the internal temperature. In both cases, the feedback mechanism works until the internal conditions return to normal, thereby maintaining homeostasis. Therefore, feedback mechanisms are essential for the maintenance of homeostasis in living organisms.(option-a)
For such more questions on homeostasis
https://brainly.com/question/12296880
#SPJ11
Two charged particles are shown below. Particle A has a charge of –3.0 × 10–5 C. Particle B is located 3 cm directly to the left of Particle A and has a charge of +4.0 × 10–5 C. Compare the magnitude and direction of the electrostatic force acting on Particle B to the force acting on Particle A.
Answers
The direction of the force acting on Particle A is towards Particle B.
The electrostatic force between two charged particles is given by Coulomb's law:
Which states that the force between two charges is proportional to the product of their charges and inversely proportional to the square of the distance between them.
The magnitude of the force acting on Particle B is given by:
F = k * |q1 * q2| / r^2
where k is the Coulomb constant (8.99 × 10^9 Nm^2/C^2), q1 and q2 are the charges of Particles A and B, r is the distance between them.The magnitude of the force acting on Particle B is:
F = 8.99 × 10^9 * |-3.0 × 10^-5 * 4.0 × 10^-5| / (0.03)^2 = 3.24 × 10^-5 N
The direction of the force acting on Particle B is towards Particle A, since the charges have opposite signs.
Similarly, the magnitude of the force acting on Particle A is
F = 8.99 × 10^9 * |-3.0 × 10^-5 * 4.0 × 10^-5| / (0.03)^2 = 3.24 × 10^-5 N
The direction of the force acting on Particle A is towards Particle B.
Learn more about Coulomb's law here: brainly.com/question/26892767
#SPJ1
The most abundant type of coal in the United States is _____.
anthracite
lignite
bituminous coal
brown
Answers
Answer:
Bitumious Coal
Explanation:
Because it's important in generation of electricity and it's raw materialistic behavior it's set to be the most abundant one. It accounts about 45% coal in the whole United States
Cancer is one of the leading causes of death in our society. Cancer is a disease in which a
cell in the body loses its sensitivity to factors which regulate cell growth and division. The
cell begins to multiply without restriction, creating a growing mass called a tumor, which
interferes with the structure and functioning of the organ in which it is located.
Frequently, cancer cells become metastatic, meaning that they travel, settling in a number
of places and giving rise to secondary tumors. Much of medical research is devoted to
finding ways of preventing, controlling, and curing cancer.
When would it be correct to reject any proposed cure for cancer?
A. if it was based on surgery, radiation therapy, and/or chemotherapy
B. if it was based on lifestyle elements of diet, exercise, and attitudes
C. if it was based on research that was with a variety of human volunteer subjects
D. if it was based on research for a period of time, with frequent checks and controls
E. if it was not able to alter the ability of cancer cells to metastasize
Answers
Answer: B. Have a nice day ;)
Answer:
The answer is either going to be B or E, I'm more positive its B
Which is biotic?
soil
✓ leaf
water
snow
IF ANYONE IS LOOKING FOR THIS QUESTION ON EDGE 2020 the answer is B!!
Answers
Answer:
The answer is going to be leaf
Which of the following shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu)? a. GlyValLeu, GlyLeuVal, ValLeuGly, ValGlyLeu, LeuGlyVal, LeuValGly b. GlyValLeu, GlyLeuVal, LeuGlyVal c. ValGlyLeu, Gly ValLeu, GyLeuVal, LeuGlyVal d. ValGlyLeu &GlyLeuVal e. GlyValLeu
Answers
GlyValLeu shows all of the tripeptides that can be formed from one molecule each of glycine (Gly), valine (Val), and leucine (Leu). So, option E is corect.
Tripeptides are organic compounds made up of three amino acids connected by peptide bonds. Proteins are made up of amino acids, which can be connected in a number of ways and at different lengths to form polypeptide chains, which can then fold into three-dimensional protein structures. Tripeptides are among the smallest peptides and play a crucial role in a variety of biological activities, including immunological defence, enzyme activity, and signalling.
Only six combinations of the three amino acids are possible, and each combination can be written in two distinct ways (since the order of the amino acids in a peptide chain can be reversed). Yet, some of these mixtures are identical because they include the same amino acids. GlyValLeu is the sole unusual combination.
To know more about tripeptides
brainly.com/question/29973193
#SPJ4
What is the weight of a green June beetle
Answers
After dehydration, a green June beetle weighs around 1.5 grams.
What is the lifespan of a June bug?The larvae pupate after three years of eating on plant roots, emerge as adults in late summer, and then burrow themselves for the winter. The adults reappear in the spring and feed on whatever nearby vegetation is still there. Adults only live for around a year. The Cotinus nitida, or green June beetle, is a roughly one-inch-long metallic green insect. Body margins range from bronze to yellow, while wing coverings occasionally have a reddish-brown tint. Pupae are brown and measure half an inch in length, while larvae, or "grubs," are cream-colored and can range in length from a quarter inch to two inches.
To know more about green June beetle refer to:
https://brainly.com/question/860104
#SPJ1
Most articles pass right through the atom, this means that most of the atom is
Answers
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
Learn more about atoms at:
https://brainly.com/question/6258301
#SPJ1
The light reactions produce ________, which are used in the Calvin cycle. The Calvin cycle produces ________, which are in turn used in the light reactions.
Answers
The light reactions produce ATP and NADPH, which are used in the Calvin cycle. The Calvin cycle produces glucose and other organic compounds, which are used in the light reactions.
The light reactions in photosynthesis produce ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are used in the Calvin cycle. During the light reactions, light energy is captured by chlorophyll and other pigments, which initiates a series of reactions that generate ATP through photophosphorylation and NADPH through electron transport. These energy-rich molecules are then utilized in the Calvin cycle.The Calvin cycle, also known as the dark reactions or the light-independent reactions, takes place in the stroma of chloroplasts. It utilizes ATP and NADPH from the light reactions, along with carbon dioxide (CO2), to produce glucose and other organic molecules through carbon fixation. This process involves a series of enzymatic reactions, such as carbon dioxide fixation, reduction, and regeneration of the starting molecule, ribulose-1,5-bisphosphate (RuBP).Thus, the light reactions provide ATP and NADPH to the Calvin cycle, while the Calvin cycle produces glucose and other organic compounds that can be used as energy sources or for building cellular structures.For more such questions on Calvin cycle:
https://brainly.com/question/920840
#SPJ8