Answer:
People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.
Naomi runs a computer simulation for a population of mice in a meadow ecosystem. The simulation begins with 100 mice, divided equally among brown and white variants. The variants are similar apart from their body color. A mating of a white and brown mouse may produce a speckled mouse, which is mostly brown with some white markings. The table shows the numbers of each mouse variant over 7 reproduction cycles. Only adult mice are reported in the table.
Which of these events did the computer MOST LIKELY include in its simulation?
A. After cycle 2, a disease arrived that affected white mice only.
B. After cycle 2, a predator arrived that saw white mice more easily than brown mice.
C. After cycle 4, brown mice and white mice began living separately, and stopped interbreeding.
D. After cycle 4, a predator arrived that saw white mice more easily than brown mice.
E. After cycle 4, a disease arrived that affected brown mice only.
After cycle 4, a disease arrived that affected brown mice only was most likely included in its simulation.
What is Disease?This is defined as any harmful deviation from the normal structural or functional state of an organism.
This usually leads to death and the table shows a steady decline from cycle 4 which means a disease most likely arrived which affected brown mice only.
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Hello people ~
The formula of exponential population growth curve, is
(a) dN/dt = rN
(b) dt/dN rN
(c) dN/rN = dt
(d) rN/dN = dt
Answer:
The Formula for exponential population growth curve is dN/dt = rN. (option A)
Explanation:
Exponential growth is a function that grows or shrinks at a constant percent growth ratedN/dt= rN
Where,
dN = Change in no. of individuals in population.dt = Change in timeN = No. of individualsr = Per capita rate of increase.Which characteristics do mars and earth share? check all that apply.
Atmosphere, and active volcanoes, such characteristics is shared by mars and earth.
How do both mars and earth share characterstics?Both the planets have the same area of dry land. This is because two-thirds of the area of Earth's surface is covered with oceans but water is absent on Mars.Both Mars and Earth exhibit temperature and atmosphere.The geological processes on Mars and Earth are common for example formation of volcanoes, canyons and impact basins.Mars exhibits rings but the earth does not.Earth exhibit distinct seasons but Mars do not due to reducing and hot atmospheric condition.Thus, these are the similarity between mars and earth.
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Pioneer species move into an area after which event? the formation of a climax community a disturbance that forms new land without soil a disturbance that clears away all plants the enrichment of soil by plants
Pioneer species move into an area after a disturbance that forms new land without soil.
Pioneer species are the first organisms to inhabit a region that has experienced a primary succession.
How do pioneer species arrive?
Primary succession begins in barren areas, such as on bare rock uncovered by a retreating glacier.
The first residents are lichens or plants that can survive in such an environment. Over hundreds of years these “pioneer species” transform the rock into soil that can support simple plants such as grasses.
Thus, Pioneer species move into an area after a disturbance that forms new land without soil.
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Answer: ( B ) - a disturbance that forms new land without soil
Explanation:
Enzymes are involved in the reactions,
Select one:
O a. Photosynthesis
O b. Neither Photosynthesis nor Cellular Respiration
O c. Cellular Respiration
O d. Both Photosynthesis and Cellular Respiration
Answer:
D.
Explanation:
•Specific enzymes catalyze each cellular reaction in cellular respiration. The main role of enzymes during the respiration reaction is to assist in transferring electrons from one molecule to another.
•The reactions of photosynthesis, and many other biological processes, are controlled by enzymes.
ENZYMES ARE REQUIRED FOR MOST OF THE CHEMICAL REACTIONS THAT OCCUR IN ORGANISMS
What event would most directly lead to the development of female external genitalia?.
Answer:
If embryonic testes do not produce testosterone.
Explanation:
During pregnancy the embryo and its surrounding tissues produce hormones that prevent endometrial cell death. If embryonic testes do not produce testosterone, a genetic male develops female external genitalia.
What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?.
Answer:
The correct answer is a synergist.
Explanation:
The muscles that provide movement in the musculoskeletal system act in groups or pairs, such as the hamstrings and quadriceps, or the biceps and triceps. An agonist, often known as a primary mover, is a muscle that works.
Synergists are muscles that assist the prime mover by moving in the same direction and at the same time. Synergists provide a motion similar to that of the prime mover while also stabilizing the joints that hold the agonist in place for smooth movement.
As a result, the correct response is synergist.
In eukaryotic cells, where does the basal transcription apparatus bind?.
Answer:
Located immediately upstream of the eukaryotic promoter, DNA sequences to which the basal transcription apparatus binds. Regulatory promoter DNA sequence located immediately upstream of the core promoter that affects transcription; contain consensus sequences to which transcriptional regulator proteins bind.
Explanation:
Does this answer your question?
The united nations defines a megacity as having at least how many inhabitants?.
Answer: 10 million people
Explanation:
A megacity is defined as a city with a population of at least 10 million.
Ex: New York, US; Tokyo, Japan; Shanghai; China
Vitamin D regulates Multiple Choice blood calcium levels. Fluid balance. Oxidation and reduction reactions. Energy metabolism
Vitamin D help to regulate blood calcium levels.
What is Vitamin D?Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. In humans, the most important compounds in this group are vitamin D₃ and vitamin D₂. .
It help to absorb calcium and potassium in the body.
Therefore, Vitamin D help to regulate blood calcium levels
Give one example of cation and anion?
Answer:
cation: sodium(Na⁺)
anion: sulfate(SO₄²⁻)
Explanation:
hope this helps pls rate and mark as brainliest.
Answer:
cation: calcium, potassium
anion: chloride, iodine
Could the world's
Cavendish banana crop be
destroyed some day?
Construct an explanation to
support your answer. Base
the explanation on evidence
from the potato famine.
Cavendish banana crop be destroyed some day due to Panama disease.
How Cavendish banana crop be destroyed?The Cavendish banana is considered as the most popular banana worldwide but it could disappear in the coming years because of the attack of an aggressive fungus called "Panama Disease."
This disease destroy the banana plant at faster rate which leads to its destruction so we can conclude that Cavendish banana crop be destroyed some day due to Panama disease.
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What is the difference between Junior planets and Terrestia planets? Which group is closest to the sun?
Answer:
Terrestrial planets include: Mercury, Venus, Earth, and Mars (in order from closest to the sun to farthest from the sun)
Jovian planets include: Jupiter, Saturn, Uranus, and Neptune (in order from closest to the sun to farthest from the sun)
Explanation:
Terrestrial planets have solid surfaces (usually rocky) with a dense metallic core, while Jovian planets are gas giants, meaning that they have no solid surface. Jovian Planets have a large gaseous composition and a small, molten rock core.
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
I hope this helped <3
Which reaction would occur at the anode in a voltaic cell?.
Oxidation is the type of reaction which takes place at the anode in a voltaic cell.
What is Oxidation?
This is defined as a process in which an electron is removed from a molecule during a chemical reaction.
The anode is the negative electrode in a voltaic cell and is where oxidation reaction takes place.
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In what two ways did an understanding of geology influence darwin
Answer: Geology played a major role in Darwin's life and scientific work: The formation of volcanoes, the slow subsidence of coral reefs, the rising of the Andes by earthquakes, the fossil relatives to modern species in South America,
Explanation:
How will gene therapy be used in the future?
Please help me
Thank you
Answer:
I think to create new medical procedures
Explanation:
Explain why and how humans depend on photosynthesis for survival.
Help please! 3:46 4/5/2022 (American)
Answer:
because when plants do photosynthesis it take our co2 and gives us oxygen which we need to survive
A student wanted to find out more about the cell cycle.
The student made a slide of an onion root tip.
She counted the number of cells in each stage of the cell cycle in one field of view.
The table below shows the results.
UNDAN
Stages in the cell cycle
Stage 1 Stage 2 Stage 3 Stage 4
Non-dividing cells
Total
Number of cell
20
S
9
9
4
2.
2
1
36
Each stage of the cell cycle takes a different amount of time.
Which stage is the fastest in the cell cycle?
Answer:
ask ya momma, duh duh dummy
Explanation:
do ya own work
What is the difference between gradualism and punctuated equilibrium?.
Answer:
The gradualism model depicts evolution as a slow steady process in which organisms change and develop slowly over time. In contrast, the punctuated equilibrium model depicts evolution as long periods of no evolutionary change followed by rapid periods of change.
Explanation:
Answer:
The gradualism model depicts evolution as a slow steady process in which organisms change and develop slowly over time. In contrast, the punctuated equilibrium model depicts evolution as long periods of no evolutionary change followed by rapid periods of change.
Explanation:
Hope this helps!
What traits were the most favorable for the environment of the hummingbirds?
Examples of places where Hummingbirds live:
Alaska all the way to ChilesTraits of Environment:
forested and woodedlots of flowershas grasslands and meadowsmarshes and Riparian corridorsDesert scrublandsCanyonGardens and backyards*hummingbirds really do live in diverse areasso that's why can live in so many different areas
Hope that helps!
During which phase of meiosis do the homologous chromosomes line up across from each other in the center of the cell?.
Answer:
metaphase I
Explanation:
In metaphase I, homologous chromosomes line up along the center of the cell in order to be pulled apart.
hope this helps
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What are the six kingdoms of life?
O Archaebacteria, Eubacteria, Animalia, Protista, Mammal, Plantae
O Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae
O Eubacteria, Animalia, Protista, Fungi, Species, Archaebacteria
• Insectae, Eubacteria, Animalia,
Protista, Fungi, Plantae
Answer:
The answer is B
Archaebacteria, Eubacteria, Animalia, Protista, Fungi, Plantae
Explanation:
No such thing as kindom mammal, eubacteria or insectae. edg 2021
The freezing point of a 1 m solution of f e c l 3 is expected to be choose. That of a 1 m solution of glucose. This is because f e c l 3 choose. And choose. Compared with glucose
1m solution of f e c l 3 has a lower freezing point compared to 1 m solution of glucose.
What is freezing point?The term freezing point refers to the point at which liquid converts to solid. We must note that the freezing point iof a substance is a colligative property hence it depends on the amount of substnace present.
Having said this, we know that 1m solution of f e c l 3 contains more particles than 1 m solution of glucose hence 1m solution of f e c l 3 has a lower freezing point compared to 1 m solution of glucose.
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The freezing point of 1M FeCl3 is found to be lower compared to the freezing point of 1M Glucose.
What do you mean by Freezing point?A Freezing point may be defined as the temperature at which a liquid turns into a solid when cooled.
1M FeCl3 solution is able to dissociate into cations and anions in an aqueous solution and thus will have more solute particles as compared to 1M Glucose.
Therefore, the freezing point of 1M FeCl3 is found to be lower compared to the freezing point of 1M Glucose.
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What organism meets the criteria for group b? question 3 options: hammerhead shark emperor penguin rattle snake box turtle
Emperor penguin meets the criteria for Group B.
The Emperor penguin is an organism that meets the criteria for group b.
Are penguins Endotherm or Ectotherm?Endotherms: Penguins, and prairie dogs, like most other birds and mammals, are endotherms. Iguanas and rattlesnakes, like most other reptiles along with most fishes, amphibians, and invertebrates are ectotherms.
Endotherms generate most of the heat they need internally.
Thus, the emperor penguin is an organism that meets the criteria for group b.
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What molecule from the atmosphere is captured during photosynthesis to generate plant food and biomass?
Answer:
The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.
Explanation:
:)
Based on your observations, which part of the radish plant controls the
plant’s phototropism? Support your answer.
Answer:
you are asked to write your laboratory report right?
Explanation:
we need to see the laboratory experiment to answer this question. But according to my search, the answer may be the following:
Stems in these plants exhibit positive phototropism and grow in the direction of a light source. Photoreceptors in plant cells detect light, and plant hormones, such as auxins, are directed to the side of the stem that is furthermost from the light.
Please Help, this is for a Unit Test
question 1: What accounts for the significant increase in oxygen in earth's atmosphere 2 to 2. 5 billion years ago,?
A. Living organisms
B. Volcanic outgassing
C. Condensation
D. Chemical reactions in the atmosphere
You are sailing in the South Pacific Ocean, far from any plate boundary. Looming lion the horizon is a dark braid, rounded island with sparse vegetation. A few thin flows of orange lava drip into the sea. Some smoky vapor unfurls fork the center of the island. What kind of volcano is this? Explain.
The kind of volcano in this scenario is referred to as a shield volcano.
What is a Shield volcano?
This is the type of volcano whose appearance is like that of a warrior's shield and is formed by the eruption of highly fluid lava.
The lava however becomes thinner as it travels further such that it sometimes drips into neighboring sea.
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Why is it important to design field studies that will not make wild animals associate humans with food?
100 POINTS
Complete the sentence: Combustion heating and cooling appliances are sources of
and often found in basements.
O asbestos
O radon gas
O tobacco smoke
O carbon monoxide
Answer:
Carbon monixide
Explanation:
Right answer
Answer:
carbon monoxide is the awnser
Explanation:
When I took this quiz that was the right awnser.