Answer:
Experiment 1
Explanation:
This is because she repeated her experiment several times and not just one time.
What is the function of nervous tissue for transport within an organism?
a) To dilate your blood vessels so that you will faint
b) To construct your blood vessels so that you will pass out.
c) To send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.
d) To send signals to the guard cells to swell and close the stomata or constrict to open up the stomata
Answer:
C
Explanation:
To send signals to the blood vessels to constrict or dilate , to increase or decrease blood flow respectively.
Question 10 of 10
Which best describes the flow of genetic information?
A. Genetic information is carried only by DNA.
B. Genetic information flows from DNA to RNA to protein.
C. Genetic information flows from gene to allele to protein.
D. Genetic information cannot be transmitted outside the nucleus.
Answer:
B. Genetic information flows from DNA to RNA to protein.
Explanation:
The central dogma of biology describes the flow of genetic information within a biological system. This dogma is often stated as "DNA makes RNA, and RNA makes protein."
What is the function of nervous tissue for transport within an organism?
a) To dilate your blood vessels so that you will faint
b) To construct your blood vessels so that you will pass out.
c) To send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.
d) To send signals to the guard cells to swell and close the stomata or constrict to open up the stomata
Answer:
c) To send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.
Explanation:
The nervous tissues comprises of nerve cells, which functions by sending and receiving electric signals as information in order to bring about specific responses.
The system majorly in charge of transport in the body is the circulatory system. Hence, the nerve cells send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.
how does the presence of an acid in a water solution affect the pH of the solution
Which statement best describes the relationship between a dependent variable and an independent variable in a scientific
Investigation
Answer:
A dependent variable is a variable affected by the change. The independent variable is the variable that is changed.
Explanation:
list two importance of gravitational force?
Explanation:
i .The gravitational force of the earth keeps us bound to the earth.
ii .Gravitational force between earth and sun makes the earth move around the sun. G
Answer:
1. gravity holds the planets in orbit around the sun and keeps the moon in orbit around the earth.
2. moons gravitational force to earth pulls the ocean tides, without that the land on earth would sink due to tsunamis and no control over the currents.
What are sporophytes and gametophytes?
Answer:
A. Two different forms a plant can have
Explanation:
Higher plants, lower plants (mosses) and ferns undergo a life cycle called ALTERNATION OF GENERATIONS. In this life cycle, they switch between a haplontic and diplontic forms of life.
The haplontic (haploid) life form which produces haploid (n) gametes is called GAMETOPHYTE while the diplontic (diploid) life form which produces the spores that germinates is called SPOROPHYTE. Hence, sporophyte and gametophyte are two different forms a plant can have.
What are the reactants in the following chemical reaction?
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
A. Carbon dioxide (CO2) and water (H2O)
B. Carbon dioxide (CO2) and oxygen gas (O2)
C. Glucose (C6H12O6) and oxygen gas (O2)
D. Glucose (C6H12O6) and water (H2O)
Answer:
its (A)
Explanation:
These reactions, which are described in detail in the chapter Cells and Energy, break down the simple sugar glucose (C6H12O6). The process uses oxygen and glucose and results in carbon dioxide (CO2), water (H2O), and usable energy. Oxygen and glucose are the reactants. Hope it helps you.... I tried my best.pls mark me as branliest really need it pls pls pls.Which of the following correctly describes a way in which Earth’s atmosphere interacts with the geosphere?
Answer:
It provides a medium for cycles that provide nutrients to living organisms.
Write two functions of neurons.
Answer:
hope it helps you
Explanation:
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↦Any 2 functions of the neuron can be :-
They conduct electrical impulses thus helping to transmit messages to the brain, glands, muscles or other nerve cells.They are responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between.ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐
How many kingdoms are there in the domain Bacteria?
O A. 4
B. 3
C. 2
O D. 1
SUBMI
Answer:
One kingdom. Domain bacteria has one kingdom, kingdom eubacteria
Explanation:
This is the answer I hope this helps you out!
please answer this:)) :((
Answer:
Winter in the Northern Hemisphere begins December 21 or 22, when the North Pole is tilted a full 23.5° away from the sun. This day is known as the winter solstice. In June, in the northern hemisphere summer, the Sun's rays — and warmth — reach all the way to the north pole.
In June, in the northern hemisphere summer, the Sun's rays — and warmth — reach all the way to the north pole. In December, in the northern hemisphere winter, the north pole is tilted away from the incoming sunshine.
Explanation:
hope this helps u
There are two main process involved in producing a protein molecule from the information in DNA.
Drag each tile to the correct location on the diagram to show how these processes work. Not all tiles will be used.
There are two main process involved in producing a protein molecule from the information in DNA, the process of formation of RNA from DNA is transcription and from RNA to protein is translation.
In molecular biology, transcription and translation play crucial roles in protein synthesis. On the basis of a DNA template, a complementary RNA molecule is created during transcription.
The DNA strand is unravelled during transcription, and an RNA polymerase enzyme uses complementary base pairing to create an RNA molecule.
The messenger RNA (mRNA), a newly formed RNA molecule, transports the genetic information from the DNA to the ribosomes.
On the other hand, translation takes place at the ribosomes and entails converting the mRNA sequence into an amino acid sequence. Specific amino acids are delivered to the ribosomes by transfer RNA (tRNA) molecules, where their anticodons are matched with the complementary codons on the mRNA.
Until the ribosome reaches a stop codon, which indicates the completion of protein synthesis, this process continues.
Thus, the first process is transcription and the second is translation.
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5.Can you write which kind of food items are not digested easily when gall bladder of a person is removed surgically? Why?
Answer:
hi
Explanation:
no answer please try let us
Answer:
hard or solid ofood items are not digested easily when gall bladder of a person is removed surgically.it is because gall bladder is responsible to make a food in a small particle.
Which type of neurons are responsible for carrying signals from the sensory neurons to the motor neurons?
A. Relay neurons
B. Sensory neurons
C. Transmission neurons
D. Motor neurons
Answer:
A. Relay neurons
Explanation:
Neurons or nerve cells are one of the cell types contained in the nervous system. Neurons transmit or carry nerve signals. There are three major types of neurons namely; motor neurons, sensory neurons, and interneurons.
Specifically, interneurons or relay neurons are types of neurons that connects the sensory and motor neurons i.e carrying signals from the sensory neurons to the motor neurons?
The diagram below shows stream gradient. How do you calculate stream
gradient?
Stream Gradient
Elevation
Difference
Horizontal Distance
w
O A. Elevation difference divided by horizontal distance
O B. Elevation difference times horizontal distance
O C. Horizontal distance divided by elevation difference
D. Horizontal distance minus elevation difference
Answer:
I think the answer is B.
Explanation:
sorry if i am wrong.
What is an enzyme?
A. Along chain of amino acids
B. A protein that speeds up chemical reactions in a living thing
C. A molecule that carries genetic information
D. The specific molecule that binds to a catalyst
Answer:
my answer is B
hope this helps
Pluto's orbit sometimes causes this planet to be the ninth, and not the eighth, body from the Sun.
a. Uranus
C. Neptune
b. Saturn
d. Jupiter
How will the concentration of H+ and OH- ions change when a substance with a pH of 3.2 is added to water?
Both H+ and OH- will increase
Both H+ and OH- will decrease
H+ will increase and OH- will decrease
H+ will decrease and OH- will increase
Answer:
H+ will decrease and OH- will increase
What is one difference between primary and secondary succession? Primary succession can start from bare rock; secondary succession starts from organic soils. Primary succession occurs in habitats with rich organic soil; secondary succession does not. Primary succession is always caused by human disturbances; secondary succession is not. Trees are often the first colonizing species in primary succession, but trees are never the first species in secondary succession.
Answer:
Primary succession can start from bare rock; secondary succession starts from organic soils.
Explanation:
Primary succession is when the growth of pioneer species rake place in an bare and new environment. The secondary succession is when the growth of species take place due to the disturbances in the primary succession. The secondary succession is based on fire, floods, or any man-made disturbances in the region.1. a) Name a set of homologous structures.
b) Two species have homologous structures. What do these homologous structures show about the evolutionary relationship between the two species?
Which level of organization includes all the other levels of organization? organ system organism tissue
cell
Answer:
organ system level of organization
cell>tissue >organ >organ system >multicellular organism
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what is photosynthesis
Answer:
Photosynthesis is where the plants take in food through the cells! (such as light and carbon dioxide.)
Explanation: The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
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Fruit trees in a forest are an important habitat for a bird species and were historically a major source of food for a rodent species. Over time, the rodent species shifted their feeding behavior from fruit trees to nut trees. As rodent behavior changed, the density of fruit trees decreased, which caused significant decreases to the bird population. What kind of effect did the change in rodents exert on bird population size?
Answer:
The bird population might have to migrate in search for food or may decline in numbers.
Explanation:
This is a concept of primary producers that is trees and secondary consumers that is mouse and bids. Due to the decline in raw material available the mouse population declines and this also affects the secondary consumers that are birds of prey like hawks, owls etc.Magnetic fields on the sun are produced by the sun’s uneven rotation and:
A. The movement of sunspots on the sun’s surface.
B. The movement of gases in the corona.
C. Gases in the convective zone.
D. Gases in the radiation zone.
Answer:
The correct answer is - C. Gases in the convective zone.
Explanation:
The heat of the sun causes the atoms to be ionized and create a charged gas known as plasma. These gases or plasma are move in the convective zone with the uneven and rapid rotation of the sun.
This creates the electric currents due to the charge in gases which ultimately create magnetic fields. Sun's rotation causes the sun's overall magnetic field to have some degree of order and to be somewhat stable over time.
Sort phrases related to warm fronts and cold fronts into the correct categories.
Warm Fronts.
Cold Fronts.
bring gentle, long-lasting rains
slide over the top of existing air mass
shown as red half circles on map
bring heavy storms
force existing air up into atmosphere
shown as blue triangles on map
Answer:
warm: gentle long lasting rain , half red circles, slides over the top of air masses
cool: blue triangles, force existing air into atmo., heavy storms
Explanation:
Gentle, long-lasting rain, sliding over the top of existing air mass and shown as red half circles on the map was an indicator of warm fronts whereas heavy storms, forcing existing air up into the atmosphere and shown as blue triangles on the map are indicators of cold fronts.
What are warm fronts?A warm front occurs when warm air mass overtakes colder air mass while moving forward resulting in the production of precipitation, clouds, or thunderstorms. A light rain or drizzle is also a result of warm fronts.
A cold front occurs when a cold air mass undercuts a warm air mass while moving forward. when the warm air is lifted by colder air, it causes clouds to condense resulting in thunderstorms, or even tornadoes. Severe weather accompanied by strong winds and low temperatures was created by cold fronts.
Warm fronts bring gentle, long-lasting rains, slide over the top of the existing air mass, and are shown as red half circles on the map whereas cold fronts bring heavy storms, forcing existing air up into the atmosphere, and shown as blue triangles on the map.
Therefore, warm fronts bring gentle and long-lasting rains, whereas cold fronts bring heavy storms.
Learn more about the warm fronts here:
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la unica fuente de los aminoacidos esenciales son los alimentos y su anotemcion requiere de un gran gasto emergetico.si uma persona no consume estos aminoacidos se vera afectado el paso
Answer:
Los aminoácidos son compuestos orgánicos que se combinan para formar proteínas. Los aminoácidos y las proteínas son los pilares fundamentales de la vida.
Cuando las proteínas se digieren o se descomponen, los aminoácidos se acaban. El cuerpo humano utiliza aminoácidos para producir proteínas con el fin de ayudar al cuerpo a:
Descomponer los alimentos
Crecer
Reparar tejidos corporales
Llevar a cabo muchas otras funciones corporales
El cuerpo también puede usar los aminoácidos como una fuente de energía.
please help...
in most stems,the epidermis has pores called..........
Answer:
do you mean Stomata?
those pores are called stomata
Answer:
stomata
happy friendship dayy friend good night:)
which of the following is a double layer of phospholipds with proteins
What does a vaccine contain?
1.T cells
2.infectious particles
3.antigens
4.antibodies
Answer:
Antigens
Explanation:
Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body
