Answer:
1. Gene
2. Dominant Allele
3. Recessive allele
4. Gregor Mendel
5. Genotype
6. Phenotype
7. Search up net, it won't let me upload the anwer
8. Diploid
9. Heterozygous
10. -
Explanation:
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After examining the fossil record, scientists have determined that scorpions today are much smaller than their extinct ancestors. For example, Jaekelopterus rhenaniae, a giant scoprtion species that lived 255 million to 460 million years ago was 2.5 meters long. Which of the following conclusions is supported by this information?
A. scorpions living today have increased their numbers since they first appeared
B. scorpions in the fossil record are smaller than their descendants are
C. scorpions have changed as a result of natural selection
D. scorpions do not appear in their original state in the fossil record
Answer: C. scorpions have changed as a result of natural selection
Explanation:
The text tells us that scorpions today are now smaller than they were in the past. This means that the scorpions have changed since then i.e. they have evolved.
The primary reason for evolution is natural selection which refers to a situation whereby only the organisms that are better adapted in their species survive.
The conclusion that can be drawn from this research therefore is that we have smaller scorpions today because they stood a better chance of survival than the larger ones and so survived whilst the larger ones died out.
Four differences between the aorta and vena cava ?
Answer:
Aorta and vena cava are two main types of blood vessels attached to the heart. The main difference between aorta and vena cava is that aorta carries oxygenated blood whereas vena cava carries deoxygenated blood. Aorta is the main artery that leaves the heart through the left ventricle. It supplies oxygenated blood throughout the body. Two types of venae cavae supply blood to the right atrium of the heart. They are superior vena cava and inferior vena cava. Superior vena cava drains deoxygenated blood from the head, arms, and other upper parts of the body while inferior vena cava drains that from the lower parts of the body.
¿Cuál de las siguientes opciones son adaptaciones de las plantas al desierto? a) Las raíces superficiales y extensas. b) Las hojas de color amarillas c) El cuerpo carnoso de las plantas d) Las hojas modificadas en forma de espina
Answer:
a) Las raíces superficiales y extensas
c) El cuerpo carnoso de las plantas
d) Las hojas modificadas en forma de espina
Explanation:
En biología, una adaptación refiere al proceso de cambio evolutivo mediante el cual los organismos de una especie/taxón hacen frente a determinadas condiciones ambientales. Las plantas han desarrollado diferentes adaptaciones en ambientes desérticos a fin de evitar al máximo la pérdida de agua, el factor más limitante en este tipo de ambientes. Las plantas capaces de soportar largos periodos de sequías se denominan xerófitas. En primer lugar, además de servir como una buena defensa contra herbívoros, las hojas en forma de espina le permiten a una planta almacenar agua durante los períodos de precipitaciones. En segundo lugar, las raíces de plantas desérticas pueden disponerse superficialmente con el objetivo de absorber la mayor cantidad de agua posible. En tercer lugar, las plantas suculentas o crasas son aquellas que tienen tejidos carnosos los cuales pueden almacenar agua en sus hojas, tallos o raíces. Durante los periodos de lluvia leve, las suculentas almacenan grandes cantidades de agua para sobrevivir durante la temporada seca (incluso existen especies vegetales que sobreviven solamente durante la temporada húmeda y producen semillas que toleran la temporada seca).
How many genetically different gametes can this cell form?
Answer: The human genome consists of 23 pairs of chromosomes. There are therefore 223 different kinds of gametes that one individual can produce.
Explanation:
I learned 'bout this-
Whai is the name of the process that plants use to remove carbon dioxide from the atmosphere?
PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE
Answer:
1)F
2)F
3)R
4)F
5)F
6)No change
7)R
8)No change
9)R ?
10) No change
Construct a hexagon of sides 50mm
Explanation:
measure 60° and construct a circle,draw arcs around it and join them
Which is most likely an example of pseudoscience?
A doctor’s study shows that insulin released constantly in the body regulated blood sugar better than injected insulin.
An experiment concludes that two populations of squirrels look similar but are not closely related.
Data shows that dogs live longer by using a certain brand of dog food.
Most people believe that drinking milk can soothe heartburn.
Answer:
Most people believe that drinking milk can soothe heartburn.
Explanation:
Pseudoscience refers to practices and beliefs that are believed to be scientific but in actuality, do not follow any known scientific method. Even after it has been logically proven that these practices have no scientific backing people continue to believe in them because through confirmation bias, they believe that they work.
True science is evidence and research-based. Pseudoscience as seen in the last option is just based on belief.
Answer:
Most people believe that drinking milk can soothe heartburn.
Explanation:
what is the function of cell nucleus?
Answer:
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus. The gel-like matrix in which the nuclear components are suspended is the nucleoplasm.
Explanation:
Science
Question 1 of 10
Which substance is an example of organic matter?
O A. Oxygen
O B. Sugar
O C. Salt
O D. Carbon dioxide
Answer:
B: Sugar
Explanation:
The graph below shows how two different enzymes react with a substrate as
the temperature increases,
Enzyme A
Enzyme B
20
20
15
POR andere
10
10
5
0
0 10 20 30 40 50 60 70 BO
0 10 20 30 40 50 60 70 80
Temperature (°C)
Temperature (°C)
Based on the results, what conclusion can be drawn about the action of the
enzymes as the temperature increases?
O A. Enzyme A is a better catalyst at 70°C than enzyme B.
O B. Enzyme A uses up all the substrate faster than enzyme B.
O C. Enzyme B stays effective at higher temperatures than enzyme A.
O D. Enzyme B is useful for different reactions than enzyme A.
Enzyme B stays effective at higher temperatures than enzyme A. Therefore, option (C) is correct.
What are enzymes?From the graph, it can be observed that Enzyme B remains effective at higher temperatures, while Enzyme A is less effective at higher temperatures. As the temperature increases, Enzyme A's activity decreases and is less efficient in converting the substrate into product, while Enzyme B remains active at higher temperatures and converts more substrate into product.
Therefore, the conclusion that can be drawn from the graph is that Enzyme B stays effective at higher temperatures than Enzyme A.
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What is the RNA sequence that corresponds to this DNA sequence? ACC GCG
TAT GCT *
TGG CGC ATA CGA
O UGG CGC AUA CGA
O ACC GCG UAU GCA
ACC GCG TAT TTT
Answer:
O UGG CGC AUA CGA
Explanation:
A mouse had a gene sequence of GTT coding for leucine, an amino acid. mutation in this gene led to the formation of GTG. However, the amino acid formed was leucine, despite the mutation. This is a mutation for the mouse
Answer:
1- substitution.
2- neutral.
Explanation:
The change in the genetic sequence of the organisms known as mutation. Mutations might be sudden and heritable in nature. spontaneous mutation and induced mutation are types of mutation.
A change that causes a change in single base pair of a gene sequence is called substitution mutation. The original leucine sequence is GTT and the mutated sequence is GTG. Thus T has been substituted by G.
Mutation can be beneficial, detrimental or neutral. The neutral mutation is that does not affect the physical change. Both GTT and GTG code for the same amino acid so it would be neutral.
Answer:
1- substitution.
2- neutral.
Explanation:
The change in the genetic sequence of the organisms known as mutation. Mutations might be sudden and heritable in nature. spontaneous mutation and induced mutation are types of mutation.
A change that causes a change in single base pair of a gene sequence is called substitution mutation. The original leucine sequence is GTT and the mutated sequence is GTG. Thus T has been substituted by G.
Mutation can be beneficial, detrimental or neutral. The neutral mutation is that does not affect the physical change. Both GTT and GTG code for the same amino acid so it would be neutral.
Which of the following statements BEST outlines why the coral reefs in the Caribbean are at risk?
a) There has been overfishing of invasive species
b) The Caribbean is a popular tourist destination
c) There have been many hurricanes in the Caribbean
d) There has been a decrease in the volume of sewage flowing into the reefs
Answer:
j5tj th hr rg eg eg ry rh gr df un j
Explanation:
r h h5 h5
Answer:
b) The Caribbean is a popular tourist destination
organ pembiakan jantan
Answer:
Male reproductive organ is responsible for sexual function.
Explanation:
Male reproductive organ produces sperm which combines with eggs of female reproductive organ produces fertile offspring. The male reproductive system is mostly located outside of the body. The external organs include the penis, scrotum and testicles while on the other hand, internal organs include the vas deferens, prostate and urethra. The male reproductive system is responsible for sexual function, as well as removal of waste material from the body.
Climate zones result in specific vegetation types developing in a region. Which
climatic region is hot and wet all year round, resulting in tropical rainforest Vegetation?
Tropical wet and dry climate is typically observed within the tropics. The tropics are two lines of latitude at 23.5° north and 23.5° south of the Equator. Land within this area obtains direct sunlight throughout most of the year.
Plants go through the process of transpiration in order to help the plant ________. (these are the choices) move water down the plant release sugar release carbon dioxide maintain homeostasis
Answer:
to get rid of excess moisture OR to move water down.
kindly, give the choices/options correctly.
How do you relate energy from heat?
In a strictly physical sense, the only difference between thermal energy and heat is that heat is currently in transit. For example, the warmth radiating from a fire.
While heat is a “path function”, thermal energy can be a “point function” as it can have a defined value at a specific state. Numerically, Δ(Thermal Energy) = Heat Exchanged.
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Cell Processes and Transport: Mastery Test
4
Select the correct answer from each drop-down menu.
Sodium and potassium lons are essential for muscle contractions of the heart. The ions are transported using a pump, which obtains
energy by the breaking of
. This action requires the expense of energy. So, sodium and potassium ions are transported using
Reset
Next
Answer:
Cell
Explanation:
Sodium and potassium ions are essential for muscle contractions of the heart, and the ions are transported using a pump, which obtains energy from the breaking of ATP molecules, this action requires the expenditure of energy, so sodium and potassium ions are transported using active transport.
What is muscle contraction?Sodium and potassium ions play a crucial role in muscle contractions, including those of the heart, and to maintain the appropriate concentration of these ions inside and outside the cell, the body uses a protein pump called the sodium-potassium pump, which is an active pump. It requires energy to move substances across cell membranes; the pump uses the energy released by the breakdown of ATP molecules to change its shape, transport the sodium and potassium ions across the membrane, and regulate the muscle contraction.
Hence, the ions are transported using a pump, which obtains energy from the breaking of ATP molecules, this action requires the expenditure of energy, so sodium and potassium ions are transported using active transport.
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question is incomplete, complete question is below
Select the correct answer from each drop-down menu.
Sodium and potassium ions are essential for muscle contractions of the heart. The ions are transported using a pump, which obtains energy by the breaking of ----. This action requires the expense of energy. So, sodium and potassium ions are transported using---
ATP,
active transport.
The application of evolutionary principles to the study of human variation Group of answer choices allowed scientists to divide the human species precisely into well-defined races helped replace earlier views based solely on observed phenotypes; brings the focus to geographic ancestry reinforced traditional views of races as fixed biological entities that do not change supports the idea that ethnicity and race are categories that can be used interchangeably (they are the same thing) when describing groups of modern humans.
Answer:
helped replace earlier views based solely on observed phenotypes
Explanation:
The study of human variation has shown that individuals from different populations (previously erroneously considered as geographic races) are often genetically more similar than individuals from the same population. In consequence, the evolutionary approach for understanding human variation has enabled us to discard the biological race concept based solely on observed phenotypes in order to provide a more realistic variation concept associated with evolutionary human development. From this perspective, it has been possible to confirm that 1-there are no human subspecies and 2- the concept of human races is not scientifically suitable to describe human variation.
Describe & explain why the effect of temperature as a
limiting factor for photosynthesis is different to the
effects of Co2 and light intensity.
Answer:
Although the light dependent reactions of photosynthesis are not affected by changes in temperature, the light independent reactions of photosynthesis are dependent on temperature. They are reactions catalysed by enzymes. As the enzymes approach their optimum temperatures the overall rate increases. It approximately doubles for every 10°C increase in temperature. Above the optimum temperature the rate begins to decrease, as enzymes are denatured, until it stops.
Explanation:
At low light intensities, as light intensity increases,the rate of the light-dependent reaction,and therefore photosynthesis generally, increases proportionately (straight line relationship). The more photons of light that fall on a leaf, the greater the number of chlorophyll molecules that are ionised and the more ATP and NADPH are generated. Lightdependent reactions use light energy and so are not affected by changes in temperature.As light intensity is increased further, however, the rate of photosynthesis is eventually limited by some other factor. So the rate plateaus. At very high light intensity, chlorophyll may be damaged and the rate drops steeply (not shown in the graph).Chlorophyll ais used in both photosystems. The wavelength of light is also important. PSI absorbs energy most efficiently at 700 nm and PSII at 680 nm. Light with a higher proportion of energy concentrated in these wavelengths will produce a higher rate of photosynthesis.An increase in the carbon dioxide concentrationincreases the rate at which carbon is incorporated into carbohydrate in the light-independent reaction, and so the rate of photosynthesis generally increases until limited by another factor.As it is normally present in the atmosphere at very low concentrations (about 0.04%), increasing carbon dioxide concentration causes a rapid rise in the rate of photosynthesis, which eventually plateaus when the maximum rate of fixation is reached.
what is substances in scientific methods
Answer:
A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.
4. Kaden is hanging out at Mason's house. They have been friends forever. They
are playing a video game when, all of a sudden, Mason leans over and kisses
Kaden. Kaden is shocked and doesn't know how to respond. Mason continues
kissing Kaden and starts to touch Kaden. Kaden pulls away and explains the
uncomfortableness of the situation. Mason insists they have strong feelings for
each other and need to take it to the next level. Mason continues to encourage
Kaden to just let it happen. Kaden is still hesitant. Finally, Mason realizes Kaden is
not consenting since Kaden has not actively said "YES" and decides to talk about
it. Mason is correct to stop and talk instead. *
True or false?
Answer:
true
Explanation:
you should never proceed with sexual advance, or any advance really without a for sure verbal consent given.
What is an anticodon?*
O the bond that holds nucleotides together
O the protein that translates RNA to amino acids
O the abbreviation for amino acids
O three bases on tRNA that attaches to a codon
Answer:
An anticodon is a trinucleotide sequence complementary to that of a corresponding codon in a messenger RNA (mRNA) sequence. An anticodon is found at one end of a transfer RNA (tRNA) molecule.
Explanation:
The equation shows reactants to a neutralization reaction.
Ca2+ + OH– + H+ + NO
Which describes what will happen to the H+ when these reactants form products?
H+ binds with NO to make a salt.
H+ binds with Ca2+ to make an acid.
H+ binds with OH– to make water.
H+ binds with Ca2+ to make a base.
Answer:
Ca²⁺ + OH⁻ + H⁺ + NO₃⁻
Ca(OH)₂ + 2HNO₃ → Ca(NO₃)₂ + 2H₂O
Ca²⁺ + 2OH⁻ + 2H⁺ + 2NO₃⁻ → Ca²⁺ + 2NO₃⁻ + 2H₂O
OH⁻ + H⁺ → H₂O
H⁺ binds with OH⁻ to make water
Answer:
C
Explanation:
did it on edge 2022
The volume of air in the lungs is controlled by the
state four activities that can cause hazards at work places
Answer:
cords in walkway , horseplay, not locking and tagging out broke machines, tools not put away in proper place
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Which of the following terms means "manmade"?
anthropology
naturopology
is anthropogenic
naturogenic
Answer:
Anthropology
Explanation:
this is the answer hope it helps you
Which definition is the best for “semipermeable membrane
Answer: A semi-permeable membrane is that which only allows certain
substances to pass through.
Answer: A semipermeable membrane is a layer that only certain molecules can pass through. Semipermeable membranes can be both biological and artificial. Artificial semipermeable membranes include a variety of material designed for the purposes of filtration, such as those used in reverse osmosis, which only allow water to pass. The biological membranes of cells are created by two sheets of phospholipid, which contain a lipid tail attached to a polar head. The tail regions of each sheet cluster together, while the heads of the molecules point outward. The polar heads point both outward toward the environment of the cell and inward toward the cytosol. In this way, a hydrophobic region of lipid tails separates the two bodies of solution. This can be seen in the image below.
Explanation: sorry if its too much wording i tried to shorten it as much as possible
In the early days of the solar system, many planetesimals orbited the Sun. The theory has it that one large planetesimal the size of Mars struck a glancing blow to the molten Earth. How did this event contribute to the formation of the Moon?
Answer:
This event led to the breaking away of a part of earth and the part was held on by earth’s gravity and this part became the moon.
Explanation:
The formation of moon was after the formation of the earth. In the initial years of the formation of earth it was affected by several asteroid hits and comets. Small planets referred to as planetesimals also kept continuously affecting the earth. Before 4.5 billion years ago a planetesimal which was about the size of Mars hit earth.
This hit led to the breaking away of a part of earth. The part which was sent to space by the hit was caught by the gravity of the earth and the part started orbiting around the earth. The similarity of the rocks in moon to that of earth is attributed to the fact that moon was actually formed from earth.
The moon and earth keeps influencing each other. The moon’s effect reduced the speed of earth’s rotation and the moon keeps moving away from the earth due to the influence of earth.
Answer:Molten rock broke off from Earth following the impact. The rock coalesced (gathered) into a ball, which formed the Moon.
Explanation: Edmentum
