solution, solvent, solute
2. Which statement about nuclear fission is false?
Nuclear fission is used to generate electricity at nuclear power plants.
Nuclear fission takes place in the core of stars.
Nuclear fission releases large amount of energy.
The fuel for nuclear fission is often uranium.
Answer:
"Nuclear fission takes place in the core of stars."
this statement is false
what is the purpose of motor nerve varicosities as they relate to smooth muscle?
Neuroeffector junctions are varicosities where motor neurons release neurotransmitters to non-neuronal target cells. These junctions can be observed along the axon.
The motor nerve varicosities RELEASE neurotransmitters onto smooth muscle cells.There are many varicosities along the axons of the neurons that feed smooth muscle cells. When autonomic neurons are stimulated, varicosities release neurotransmitters along their axons.These neurotransmitters then diffuse through the interstitial fluid to interact with receptors in the smooth muscle cells.Learn more in:
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of the two cells represented in the figure, which would likely be more efficient at exchanging substances with the surrounding environment?
Cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
Cell A is more efficient at exchanging substances with the surrounding environment than cell B because it has the larger surface-area-to-volume ratio. Larger surface area of the cell exchanges more substances with the surrounding environment.
While on the other hand, lower surface area of the cell exchanges less materials with the environment so we can conclude that cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
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A human has 46 chromosomes in each body cell. How many chromosomes would be found in its daughter cells after mitosis
Answer:
Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes. Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of meiosis: meiosis II. At the end of meiosis I there are two haploid cells.
if a cell lacked ribosomes, it would not be able to
Answer:
build or break down proteins
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How do endodermal cells differ from other types of cells?
Answer:
The endodermis is not highly differentiated in stems and usually contains secondary starch. In the roots, the radial and transverse walls of the endodermal cells have bandlike thickenings containing suberin and lignin.
Explanation: PLS MARK BRAINLIEST
Predict what would happen to a freshwater fish if it were placed into a marine environment (salt water). Justify using your knowledge of osmosis. *
Answer:
Die, eventually.
Explanation:
It's very dangerous, for any organism, but for a fish whose cells are isotonic with freshwater, is placed in seawater, its cells will take on excess water, lyse, and the fish will die.
Dealing with matter, how do producers get the nutrients they need?
the time between inoculation and the beginning of growth is usually called the
Answer:
Generation TimeExplanation:
Generation Time. In eukaryotic organisms, the generation time is the time between the same points of the life cycle in two successive generations. For example, the typical generation time for the human population is 25 years.
Answer:
Lag time is defined as the initial period in the life of a bacterial population when cells are adjusting to a new environment before starting exponential growth.
which sensorimotor substage is focused on reflexes?
Answer:
According to Piaget, cognitive development includes six substages in the sensorimotor stage:
Stage 1 - Reflexes (newborns between birth and one month) For example, infants exercise, improve, and organize the reflexes of sucking, looking, listening, and grasping.
Explanation:
Assignment : Write 5 characteristics of each: chlamydomonas
amoeba
paramecium
diaom
Answer:
Here is the answer to your question.
Explanation:
Chlamydomonas: Motile unicellular algae, generally oval, cell wall is made up of a glycoprotein and non-cellulosic polysaccharides instead of cellulose, two anteriorly inserted whiplash flagella, contractile vacuoles are near the bases of flagella.
Amoeba: Amoeba is a unicellular organism found in stagnant water, the size of amoeba is 0.25, they move with the help of a finger-like projection called pseudopodia, the cytoplasm is differentiated into two parts, the outer portion is ectoplasm and the inner portion is called endoplast, amoebae are eukaryotes whose bodies most often consist of a single cell.
Paramecium: Paramecia cells are characteristically elongated, Paramecia are eukaryotes, asexual reproduction (binary fission), sexual reproduction (conjugation), autogamy (self-fertilization).
Diatom: Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly bilaterally symmetric. A unique feature of diatom anatomy is that they are surrounded by a cell wall made of silica (hydrated silicon dioxide), called a frustule.
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List and describe the cell phases that go through assuming they complete mitosis
Answer:
There are four stages of mitosis: prophase, metaphase, anaphase and telophase.1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3)
Explanation:
why do the functions of many receptor kinases depend on the fluid nature of the plasma membrane?
Complete Question
Why do the functions of many receptor kinases depend on the fluid nature of the plasma membrane?
The generation of cAMP requires a fluid membrane.Binding of ligand to the receptor requires a fluid membrane. The receptor monomers must move together and dimerize to be activated. Phosphorylation requires a fluid membrane.We have that
The reason why the functions of many receptor kinases depend on the fluid nature of the plasma membrane is because
Phosphorylation requires a fluid membrane.
Generally
kinase
This substance is simple defines as a facilitator for phosphate forms to move from a specific energy level to its specific sub levelsNow we recognize this phenomenon as Phosphorylation Phosphorylation being a process that facilitates the movement of phosphates requires a fluid membrane.
Therefore
The reason why the functions of many receptor kinases depend on the fluid nature of the plasma membrane is because
Phosphorylation requires a fluid membrane.
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Pure water would have what kind of tonicity?:
Answer: Tapwater and pure water are hypotonic. A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.
Explanation:
most glands in the human body are a part of which system?
Answer: The endocrine system is a network of glands in your body that make the hormones that help cells talk to each other. They're responsible for almost every cell, organ, and function in your body.
Why does sugar take time to diffuse?
Answer:
A given quantity of solute dissolves faster when it is ground into small particles than if it is in the form of a large chunk because more surface area is exposed.
Answer:
more surface area is exposed
Explanation:
How can you tell the age of a twig?
Answer:
The age of the whole twig can usually be determined by counting back from the longest branch.
Answer:
Para calcular la edad de los árboles según este método: Medir la circunferencia del tronco a una altura de unos 140 cms respecto al suelo. CaLcular el diámetro: dividir la circunferencia entre pi (3,1416). Multiplicar el diámetro obtenido por el factor de crecimiento medio de la especie del árbol.
Explanation:
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All of the following substances are necessary for the survival of living things except —A.foodB.energyC.heliumD.water
Answer:
helium
Explanation:
what part of the nucleotide forms the rungs of the ladder
what would happen to the variation between organisms in a population if their dna polymerase did not have a proofreading function?
Answer:
What would happen to the variation between organisms in a population if their DNA polymerases did not have a proofreading function? ... It unwinds DNA.
Explanation:
how does your body acquire the oxygen the cells in your body need to function?
Answer:
You take in oxygen and it goes to your lungs. It spreads through your body, going through your bloodstream, and going to your heart. The excess oxygen turns into carbon dioxide leaves through your mouth. When it leaves, the plants take the carbon dioxide and turn it back into oxygen, and repeating this process.
(I'm pretty sure this is the answer. Hope it helps:)
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body.
What are the functions of hemoglobin?Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs.
Hemoglobin, abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein present in red blood cells of almost all vertebrates as well as the tissues of some invertebrates. Hemoglobin in blood carries oxygen from the respiratory organs to the rest of the body.
Hemoglobin is essential for transferring oxygen in your blood from the lungs to the tissues. Myoglobin, in muscle cells, accepts, stores, transports and releases oxygen.
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Which type of wave forms at the boundary between air and water when you
drop a rock into a pond?
Answer:
ty
Explanation:
Waves at the surface of the ocean and lakes are orbital progressive waves. This type of wave forms at the boundary of two liquids of different density, in this case air and water.
write an article on the topic 'impact of population on ecosystem'.
Abstract -
The rapid increase of human population is putting an incredible strain on our environment. While developed countries continue to pollute the environment and deplete its resources, developing countries are under increasing pressure to compete economically and their industrial advancements are damaging as well. The demands that this growth places on our global environment are threatening the future of sustainable life on earth. One of the largest environmental effects of human population growth is the problem of global warming. Some scientists fear that global warming will lead to rising sea levels and extreme weather conditions in the future. In order to support the growing population, forests are being destroyed at an alarming rate. Humans also continue to put a great demand on the natural resources of our planet. Many non-renewable resources are being depleted due to the unrestrained use of fuel and energy. Many parts of the world also suffer from a shortage of food and water. The growth of population puts larger demands on our already limited resources. The environment on earth is suffering from the growth of global population. The depletion of resources and biodiversity, the production of waste, and the destroying of natural habitat are serious problems that must be addressed in order to ensure that life on earth will be sustainable throughout the next century. Keywords: Industrial advancements, Land and soil degradation, global warming, Climate change, Air and water pollution, Deforestation, Physical environment.
1. Which layer is found at Earth's center?
mesosphere
mantle
crust
core
Answer:
The Core
Explanation:
The very center of the earth is called the core.
The core layer is located at the center of the Earth.
What is center of earth?All land surfaces on Earth have a geometric center that is located at the planet's geographic center. According to geometry, it is the centroid of all land areas inside the two dimensions of the geoid surface, which roughly represents the exterior shape of the planet.The extremely hot and dense core of our planet is called the Earth's core. Underneath the chilly, brittle crust and the largely solid mantle is the ball-shaped core. The Earth's core is around 2,900 kilometres (1,802 miles) below the surface and has a radius of about 3,485 kilometres.Since the temperature and pressure significantly rise as we travel more inside the planet, we are unable to reach the center of it. Furthermore, there is currently no technology that can penetrate the depths of the earth.To learn more about center of earth refer to:
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during the process of ________, an existing tissue is replaced by bone.
Answer:
Tissues are replaced by bone during the ossification process.
Explanation:
List the 5 Factors that influence Climate
Answer:
Latitude, Altitude, Winds, Distance from the sea, relief
Explanation:
PLEASE HELP DUE TODAY NO LINKS WILL REPORT AND IF COULD ADD EXPLANATION THAT WOULD HELP
Answer:
24 sq meters
Explanation:
4 times 6 is 24
Answer: Try 24m^2 so just type in answer box “2”
Explanation:
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Which form of heat transfer takes place when you touch a hot stonea. convectionb. subductionc. conductiond. radiation
where does the krebs cycle take place in the mitochondria?
Answer:
In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
Explanation:
Why are food chains limited in how long they can be?
plss help
Answer:
Energy is transferred between trophic levels when one organism eats another and gets the energy-rich molecules from its prey's body. However, these transfers are inefficient, and this inefficiency limits the length of food chains.