Answer:
Mitosis creates cells with a complete set of genetic instructions, Meiosis creates haploid cells , Mitosis creates diploid cells
Explanation:
What is the name of the particle that circles the nucleus of an atom?
A. Neutron
B. Protein
C. Proton
D. Electron
Answer:
electron
Explanation:
elections circle the nucleus
what does each of these scientists study
Explanation:
Which scientists?
Write your full question
Which of the following is a beneficial micronutrient that may be found in commercial fertilizers?
sodium chloride
chlorine
potash
quartz
Explain how a concentration gradient, a membrane protein, and hydrogen ions work together to provide a mithochondrion with energy.
Answer:
Mitochondria within the electronic transport chain, are responsible for producing the energy that the cell needs, adjusting its operation to meet the metabolic needs of the body.The mitochondrion is the place where oxygen is consumed from aerobic organisms through various electron carriers and proton translocators (H +).
Explanation:
The lipid matrix of the membrane provides an impermeable barrier to ion translocation, as well as a topological organization to the catalysts in the membrane matrix that allows them to transport both e- and ions within and across the membrane in vector form. The transformation of oxidative energy into other forms of energy is carried out, initially, by generating a transmembrane electrochemical potential difference of H + ions (protomotive force). This force is the product of the asymmetric distribution of H + on both sides of the membrane, as those are translocated through it by the enzymatic complexes of the respiratory chain.The protomotive force is made up of two closely related components: one, function of the difference in chemical concentration of hydrogens across the membrane (a pH gradient) and another, dependent on the difference in electrical charge of H + ions on both sides of it (an electrical potential gradient). Gradients of electrical charge and chemical potential produce a field in which a force is exerted that tends to attract previously expelled protons into the mitochondria. It is the enzymatic complex of ATPase, the means by which the thermodynamically reversible translocation of H + ions is catalyzed. At the same time, the chemical activity of the H + on both sides of the membrane causes a change in the equilibrium constant of the enzyme, inducing it to catalyze the synthesis of ATP.
Area "X" show the structure of
A) a DNA molecule
B) an amino acid
C) a RNA molecule
D) a nucleotide
Answer:
D) a nucleotide
Explanation:
A single nucleotide will contain a phosphate group, sugar molecule (deoxyribose) and a nitrogenous base ( which could be adenine, thyamine, guanine or cytosine ).
1. Typically large organisms
Large organisms include...
Mammals (Mammalia)
Stem-mammals (Synapsida)
Reptiles (Reptilia)
Dinosaurs (Dinosauria)
HELP!!!! 50PTS!!!!!
Which of the following is not one of the steps through which scientists hypothesize simple cells were produced? (3 points)
The biotic synthesis of small inorganic molecules
The joining of small molecules to form macromolecules
The origin of self-replicating molecules
The packaging of macromolecules into protocells
Answer:
The biotic synthesis of small inorganic molecules
Explanation:
The biotic synthesis of small inorganic molecules is not one of the steps through which scientists hypothesize simple cells were produced.
What do you mean by a Cell?A cell may be defined as the smallest structural and functional unit of life in the living entities.
Biotic synthesis of small inorganic molecules lacks the presence of essential elements like hydrogen and carbon. In the absence of such important biomolecules, simple living cells are impossible to synthesized.
Therefore, the correct option for this question is A.
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hey guys could you help me???
A cell passes on its genetic information ________.
A.
each time it divides
B.
only during certain divisions
C.
before it divides
D.
to neighboring cells
The height of an object above sea level is called
Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.
Explanation:
Answer: The elevation of an object is it's height above sea level. Sometimes elevation and altitude are using interchangeable, however, altitude is the vertical distance between an object and the earth's surface.
Explanation: hope this helps
what are the uses of four chambers in heart?
Answer:
An awnser i found was below
The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.Explanation:
hope this helps :)
On automobiles, what is designed to reduce noise pollution?
A Mufflers
B carburetors
C oil
D pistons
which part of the dna molecule is considered the genetic code that will be read by the cell? phosphates, Deoxyribose sugars, enzymes, nitrogen bases (A,C,G, and T) Plzz help ASAP
Answer:
A,C,G
Explanation:
I hope I answered this question right
An example of a human-caused disturbance is
a. growing lichens
b. wildfires
c. a hurricane
d. deforestation
it is definitely deforestation
Match each type of organic compound to its description.
Match Term Definition
Amine A) Makes up cell walls, fats, or amino acids
Polymer B) Extremely long molecule chain with repeated molecular units
Carbohydrate C) Contains a nitrogen bonded to carbon(s) and is usually basic
Ether D) Organic compound with an oxygen bonded between two carbons
C, A, B and D are the correct options for the given names of different compounds.
What is amine, carbohydrates, polymer and ether?Amine contains a nitrogen bonded to carbon atoms and is basic in nature.
Carbohydrate makes up cell walls, fats, or amino acids
Polymer are extremely long molecule chain with repeated molecular units
Ether refers to an organic compound with an oxygen bonded between two carbons
So we can conclude that C, A, B and D are the correct options for the given names of different compounds.
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Answer:
Amine - B
Polymer - A
Carbohydrate - C
Ether - D
Explanation:
An amine is an extremely long molecule chain with repeated molecular units.
A polymer makes up cell walls, fats, or amino acids.
A carbohydrate contains a nitrogen bonded to carbon(s) and is usually basic.
An ether is an organic compound with an oxygen bonded between two carbons.
En los seres vivos acuaticos el oxigeno es tomado del __________ y penetra a la celula por el fenomeno de ___________
Answer:
En los seres vivos acuáticos el oxigeno es tomado del agua y penetra a la célula por el fenómeno de respiración branquial.
Explanation:
La respiración es el proceso mediante el cual los seres vivos obtienen oxígeno. Es decir, la respiración implica el reemplazo del dióxido de carbono en los pulmones por oxígeno del aire, y puede ser pulmonar, branquial, traqueal o cutánea.
La respiración branquial es un tipo de respiración propia de la mayoría de los animales acuáticos y se lleva a cabo en las branquias, unas estructuras con forma de láminas que contienen vasos sanguíneos. Los animales acuáticos dispone de estos órganos que permiten absorber el oxígeno que se encuentra en el agua y eliminar el dióxido de carbono.
El agua que entra por la boca y circula por las branquias, donde el oxígeno es absorbido, pasa a la sangre y es transportado a todo el cuerpo donde se produce una respiración celular.
Es decir, en los seres vivos acuáticos el oxigeno es tomado del agua y penetra a la célula por el fenómeno de respiración branquial.
A food web shows how energy moves from one organism to another in an ecosystem. Students in a life science class created a diagram demonstrating a food web.
FOOD WEB
Owl
Snake
Hank
Frog
Grasshopper
Mouse
Rabbit
Caterpillar
Wheat
Dandelion
Clover
Based on the food web, which of these organisms receives its energy directly from a primary consumer?
caterpillar
dandelion
frog
grasshopper
HELP! ILL GIVE BRAINLIEST
Answer:
this is solar system
Explanation:
Make me as a brainlist
first up neap
second up spring
third neap
fourth speing
Which of the following is a possible path for carbon to cycle through an ecosystem?
1. Atmospheric CO2 -> animals -> factories -> fossil fuels -> plants
2. Atmospheric CO2 -> factories -> fossil fuels -> animals -> plants
3. Atmospheric CO2 -> plants -> animals -> fossil fuels -> factories
4. Atmospheric CO2 -> fossil fuels -> factories -> animals -> plants
Answer: 3. Atmospheric CO2 -> plants -> animals -> fossil fuels -> factories
Explanation:
The carbon cycle is one of the types of biochemical cycles in which carbon is recycled in atmosphere, biosphere, lithosphere, and hydrosphere in various forms. The atmospheric carbon dioxide is absorbed by the plants and they utilize it as reactant for the process of photosynthesis in which they synthesize their own food. These plants are consumed by animals further when these plants and animals die their remains form fossil fuels deep beneath the earth crust. It takes about millions of years for fossil fuels to form in the sedimentary rocks. The fossil fuels are utilized by the factories to run their machines. Again when fossil fuels burn they emit carbon dioxide gas in the atmosphere.
What trait would make an individual likely to survive and reproduce in a pest population that feeds on pest-resistant plants?
Answer:
Upon exposure to insecticides, insects that do not carry the resistance genes die, thus allowing the individuals with the resistance genes to survive and reproduce, creating more resistant insects. With every generation the number of resistant insects increase.
Explanation:
The trait that would make an individual ( pest ) survive in a pest population that feeds on pest-resistant plants is : Possession of Pesticide resistant genes
In a pest infected population most pests can be eliminated with the use of pesticides. therefore when pesticides are administered in the population, the pests that posses genes resistant to pesticides will survive and continue their reproduction cycle. while pests without pesticide resistant genes will be eliminated.
Hence the trait that a pest( individual ) should posses to survive in a pest population is; the Possession of Pesticide resistant genes .
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What do consumers gain from
producers because of
photosynthesis?
Answer:
In summary, producers are organisms that make their own food. Producers create food for themselves and also provide energy for the rest of the ecosystem. Consumers are organisms that need to eat to obtain energy. Primary consumers, such as deer and rabbits, eat only producers.
Explanation:
En las plantas de guisante la forma lisa de la vaina (cubierta) es dominante sobre la forma rugosa. Se cruzan plantas de vaina lisa con plantas de vaina rugosa, ambas homocigotas. Determine fenotipo y genotipo de F1 y F2.Resultante
Answer:
F1)
Genotipo: 100% Heterocigota, LlFenotipo: 100% Frutos de vaina lisaF2)
Genotipo: 25% Homocigota dominante, LL50% Heterocigota, Ll
25% Homocigota recesivo, ll
Fenotipo: 75% Frutos de vaina lisa (LL + Ll)25% frutos de vaina rugosa (ll)
Explanation:
Datos disponibles:
Vaina lisa es la característica dominanteVaina rugosa es la característica recesivaEl gen que codifica la textura de la vaina es dialélicoLlamemos L al alelo dominante que expresa vaina lisa, y l al alelo recesivo que expresa vaina rugosa1er Cruza: planta de vaina lisa homocigota x planta de vaina rugosa homocigota
Parentales) LL x ll
Fenotipo) Lisa Rugosa
Gametos) L L l l
Cuadro de Punnett) L L
l Ll Ll
l Ll Ll
F1) 4/4 = 100% de la progenie será heterocigota, Ll, para la textura de vaina, pero expresarán vainas lisas.
2da Cruza: Dos plantas provenientes de la F1
Parentales) Ll x Ll
Fenotipo) Liso Liso
Gametos) L l L l
Cuadro de Punnett) L l
L LL Ll
l Ll ll
F2) 1/4 = 25% de la progenie será homocigota dominante, LL
2/4 = 50% de la progenie será heterocigota, Ll
1/4 = 25% de la progenie será homocigota recesiva, ll
3/4 = 75% de la progenie tendrá vainas lisas
1/4 = 25% de la progenie tendrá vainas rugosas.
9 facts about the atmosphere
Answer:
#1. Earth Has Had Three Atmospheres.
#2. Oxygen Caused the First Major Extinction
#3. The Sky Should Be Violet
#4. The Atmosphere Extends 6,200 Miles into Space
#5. It Protects Us from Meteors
#6. There are five layers within the atmosphere
#7. The atmosphere surrounds the planet, protecting it by absorbing the ultraviolet radiation from the sun, and regulating the temperature extremes that would otherwise occur between day and night.
#8. The troposphere lies closest to the Earth and is about 11 miles thick
#9. Blood Boils After 60,000 Feet into the atmoshpere
What are the three types of isolating mechanism that favor reproductive isolation and speciation?
pls pls help what does this have to do w science ldk but pls help lol thanks :)
Answer:
Screw on the right with closer thread
Explanation:
The more thread of the screw, the stronger it can hold the screw in place.
Humans decide which varations are favorable or desired.
A. Artificial Aelection
B. natural selection
C. both
Answer:
Artificial selection
Explanation:
Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.
list and explain the socio-economic factors that could be considered for career and study choices.
Answer: qsy yo no soy adivina
didn't even mean to do this
Answer:
If an organism has a beneficial trait, they have a higher chance of survival, and if they can survive they can reproduce too.
Example: Speckled moths camouflage with the bark of trees and are not easily seen by predators. Black moths do not camouflage with the bark of trees and are easily seen by predators, therefore the black moths are eaten. Because the black moths have been eaten they cannot reproduce and pass on the trait for black wings to their offspring, but the speckled moths are able to reproduce because they survived and are able to pass on the speckled wing trait to their offspring.
Answer:
? what is the problem i don't see anything
Explanation:
John's baptism of Jesus was different from his baptism of other people because:
Jesus was the last person John baptized
Jesus was the first person John baptized
John baptized unto the remission of sin, but Jesus had no sins to remit
Jesus was baptized in the Jordan River, John usually baptized in the Sea of Galilee
Answer:
John baptized unto the remission of sin, but Jesus had no sins to remit
Hope this helps:)
PLEASE HELP ME! I HAVE NO BRAIN CELLS.
Some minerals are evenly distributed around the planet, while other minerals are quite rare. Why are some minerals so rare and unevenly distributed?
A. Certain minerals form only under high heat and pressure that develop near volcanoes.
B. Certain minerals form only in Earth's crust, so they are difficult to locate.
C. Certain minerals form only in specific climates, and not all climates, are the same around the world.
D. Certain minerals form only in the extreme heat found at the bottom of lakes and rivers.
Please answer with an explanation THAT ISNT a browser answer you just copied pls
Answer:
A.
Explanation:
certain minerals form only under high heat and oressure that develop near volcano. That is why minerals vary among areas.
The option (C) is correct. Certain minerals form only in specific climates, and not all climates, are the same around the world.
What are minerals?A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.
Moreover, the major minerals, which are used and stored in large quantities in the body, are calcium, chloride, magnesium, phosphorus, potassium, sodium, and sulfur. The trace minerals are just as vital to our health as the major minerals, but we don't need large amounts.
Therefore, economic minerals are used in a wide range of applications related to construction, manufacturing, agriculture and energy supply. Economic minerals include: Energy minerals used to produce electricity, fuel for transportation, heating for homes and offices and in the manufacture of plastics.
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The cells of both unicellular and multicellular organisms carry out life processes. With respect to life processes, what advantage do multicellular organisms have over unicellular organisms? 1) Their cells reproduce more quickly. 2) Their life processes occur over a shorter time period. 3) Their cells can specialize in certain functions. 4) Their cell division is more efficient.
Answer:
Their cells can specialize in certain functions
Explanation:
This because multicellular organisms are organisms that are made up of several cells which aid it's complexity and lifespan. The cells in muiticellular organisms carries out specialise function or task which give them long lifespan. This long life span is achieved because of various cells that maintain their processes, the cells forms tissues, tissues to organs, organs to system and they all perform different specialized functions.
