Answer:
genetic drift
please mark as brainlest
What is the final result of genetic drift in populations of
Answer: Genetic drift may result in the loss of some alleles (including beneficial ones) and the fixation, or rise to 100% frequency, of other alleles.Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene locus within a population. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.
Explanation:
Answer:
decrease the genetic diversity of a population.
Explanation:
Genetic drift describes random fluctuations in the numbers of gene variants in a population. Genetic drift takes place when the occurrence of variant forms of a gene, called alleles, increases and decreases by chance over time.
Genetic drift can cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.
The sun's inner core is the hottest part of the sun. (2 points)
True
False
Answer:
True
Explanation:
Answer:
true
Explanation:
because since the core is the farthest away from space it will continue to burn inside of the core, leading to more heat building up in the inner parts.
8th grade science plsss answer
Answer:
Type the question
Explanation:
I can't see
Answer:
me neither
Explanation:
during an experiment scientists study a portion of a gene found in the white mouse. they determined that the following sets of codons has been translated into a series of three animo acids shown below
mRNA sequence- GCA-UUA-UCG
amino acids sequince- alanine - leucine - serine
which of the following would be the expected outcome of this same set codons were to be found in humans genes
The human cell would be unable to translate the mRNA codons.
The sequence of amino acids would be completely different in the human.
The amino acid sequence would be identical in the human cell.
The human cell would be converted into a mouse cell.
Answer:
the amino a acid sequence would be identical to human cell
becuuse the codes sequencing is simialr in all animals
GIVING BRAINLIEST AND EXTRA POINTS!!!
An ___________ is a trait or characteristic that helps a living thing, or organism, survive. These characteristics can be passed on from parent to offspring. They are passed on until most of the animals in the species have the helpful trait. Animals can also develop adaptations based on how they interact with the environment.
Answer:
Adaptation
Explanation:
mark me as brainliest
In this example, a flower can either express the dominant trait (R), red petals, or the recessive trait (r), yellow petals. If two heterozygous flowers are crossed, what are the chances of there being an offspring with yellow petals?
25%
50%
75%
100%
Answer:
25%
Explanation:
Since there are 2 flowers, start with 50% and 50% to make it simple. And since the red is dominant, it's stronger than yellow. So instead of them being equal chances, it's 75% to 25%. Hope this helped!
What can the reader reasonably conclude based on the information in this passage?
A.Gregor Mendel was well paid for his research.
B.Gregor Mendel noticed other things about peas.
C.Gregor Mendel won a Nobel Prize for his work.
D.Gregor Mendel hated gardening.
Answer:
B
Explanation:
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!
What is the name of this table?
Answer: Periodic table
Explanation:
Answer: Periodic table of the elements
The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends.
identity the function of the cell membrane. what is the function of the cell membrane? please explain
Which of the following is a form of ethnic segregation that persists in the
United States?
A. Immigrants are required to live together until they have become
naturalized citizens.
B. A federal law requires ethnic groups to live together until they
learn to speak English.
OC. Many American Indians still live on reservations where their tribes
had been relocated by force.
O D. Strong leaders encourage their followers to live together so that
they can control them more easily.
Answer:
C. Many American Indians still live on reservations where their tribes had been relocated by force.
Explanation:
Given that ethnic segregation has to do with the artificial separation of various people of different socio-cultural backgrounds.
Hence, the ethnic segregation that persists in the United States can be attributed to "Many American Indians still live on reservations where their tribes had been relocated by force."
Answer:
C. Many American Indians still live on reservations where their tribes
had been relocated by force.
Explanation:
Scientific developments have made forensic science a stronger discipline.
True
False
Answer:
Answer of this qurstion is true
PLS HELP!!?!?? (ᗒᗣᗕ)՞
Answer: 25% red 25% white 50% pink
(first one to answer gets brainliest!), What % of wind energy does the United States use?
Answer:
Although wind makes up about 8% of total U.S. electricity generating capacity, wind generators provided a smaller share (5%) of total U.S. electricity generation in 2016 because wind turbines have relatively low capacity factors.
Explanation:
Definition of fruits
Answer:
Fruit, the fleshy or dry ripened ovary of a flowering plant, enclosing the seed or seeds
Explanation:
Hope this helps
what does jaws of life do
Answer:
The "Jaws of Life" is a crucial tool to fire and rescue squads to save hundreds of lives every year. ... The “Jaws of Life” is used indeterminately for pretty much any type of heavy-duty tool that acts like a pair of scissors, cutter, spreader, or ram-device aimed at slicing and dicing through most automotive metals.
Explanation:
200g of water at 90degree Celsius is mixed with 100g of water at 30 degree Celsius. What is the final temperature (C of water =4.2jkg-1 k-1
Answer:
70 °C
Explanation:
Since heat lost by 200 g of water = heat gained by 100 g of water
-mc(T - T') = m'c(T - T")
where m = 200 g,T' = 90°C, m' = 100 g,T" = 30°C and T = final temperature of mixture, c = specific heat capacity of water = 4.2jkg-1 k-1.
Substituting the values of the variables into the equation, we have
-mc(T - T') = m'c(T - T")
-200 g(T - 90 °C) = 100 g(T - 30 °C)
(T - 90 °C) = 100 g(T - 30 °C)/-200 g
(T - 90 °C) = -0.5(T - 30 °C)
T - 90 °C = -0.5T + 15 °C
collecting like terms, we have
T + 0.5T = 90 °C + 15 °C
1.5T = 105 °C
T = 105 °C/1,5
T = 70 °C
Name 4 morphological and 2 behavioral traits that can distinguish between a seal and a sea lion.
Answer:
#HEY MATE HERE IS YOUR ANSWER#
Explanation:
Both seals and sea lions, together with the walrus, are pinnipeds, which means "fin footed" in Latin.
But seals' furry, generally stubby front feet — thinly webbed flippers, actually, with a claw on each small toe — seem petite in comparison to the mostly skin-covered, elongated fore flippers that sea lions possess.
Secondly, sea lions have small flaps for outer ears. The "earless" or "true" seals lack external ears altogether. You have to get very close to see the tiny holes on the sides of a seal’s sleek head.
Third, sea lions are noisy. Seals are quieter, vocalizing via soft grunts.
Fourth, while both species spend time both in and out of the water, seals are better adapted to live in the water than on land. Though their bodies can appear chubby, seals are generally smaller and more aquadynamic than sea lions. At the same time, their hind flippers angle backward and don't rotate. This makes them fast in the water but basic belly crawlers on terra firma.
Sea lions, on the other hand, are able to "walk" on land by rotating their hind flippers forward and underneath their big bodies. This is why they are more likely to be employed in aquaria and marine shows.
Finally, seals are less social than their sea-lion cousins. They spend more time in the water than sea lions do and often lead solitary lives in the wild, coming ashore together only once a year to meet and mate.
Sea lions congregate in gregarious groups called herds or rafts that can reach upwards of 1,500 individuals. It's common for scores of them to haul out together and loll about in the sand, comprising an amorphous pile in the noonday sun.
Plants make sugar from sunlight through ______.
A. Phloem
B. photosynthesis
C. Xylem
D. osmosis
Answer:
B. Photosynthesis
Explanation:
Photosynthesis is the process plants go through to make glucose, also known as sugar.
Chapter 26 Microbial Diseases of the Urinary and Reproductive Systems 104) Normal microbiota of the adult vagina consist primarily of A) Lactobacillus. B) Streptococcus. C) Mycobacterium. D) Neisseria. E) Candida. 105) Cystitis is most often caused by A) Escherichia coli. B) Leptospira interrogans. C) Candida albicans. D) Neisseria gonorrhoeae. E) Pseudomonas aeruginosa. 106) Pyelonephritis may result from A) urethritis. B) cystitis. C) ureteritis. D) systemic infections. E) All of the answers are correct. 107) Which of the following is NOT primarily a sexually transmitted infection (STI)
Answer:
1. A) Lactobacillus
2. A) Escherichia coli. 3.
3. You did not present the answer options, which prevent this question from being answered. However, I will try to help you with the explanation below.
Explanation:
1. An adult vagina has a microbiota, that is, a group of microorganisms. This microbiota is beneficial and exists to promote protection and vaginal balance. Among the microorganisms present in the microbiota, we can mention Lactobacillus, which are responsible for preventing infections and controlling vaginal pH.
2. Cystitis is a urinary infection caused by the bacteria Escherichia coli, which resides in the human body and is important for digestion, but can cause inflammation of the bladder, as well as other stomach bacteria. Cystitis is not a contagious disease and has symptoms such as fever and difficulty urinating.
3. Sexually transmitted diseases are contagious diseases, caused by microorganisms that are transmitted from one person to another during an unprotected sexual act. Therefore, to answer the third question you should look for the answer option that presents a disease that is not transmitted by unprotected sexual contact.
104. Lactobacillus, 105. Escherichia coli, 106. Pyelonephritis, 107. Neisseria gonorrhoeae.
26. The normal microbiota of the adult vagina primarily consists of Lactobacillus. Therefore option A is correct.
Lactobacillus species are the predominant bacteria in the healthy adult vagina. They play a crucial role in maintaining a slightly acidic pH, which helps prevent the overgrowth of harmful microbes.
Lactobacillus produces lactic acid, creating an inhospitable environment for many potential pathogens. This microbial balance is essential for vaginal health and helps protect against infections.
2. Cystitis, which is inflammation of the bladder, is most often caused by Escherichia coli. Therefore option A is correct.
Escherichia coli (E. coli) is the most common causative agent of cystitis. It is a bacterium that normally resides in the intestines.
However, when E. coli enters the urethra and travels up to the bladder, it can cause an infection. Cystitis is more prevalent in females due to their shorter urethra, which provides easier access for bacteria to reach the bladder.
3. Pyelonephritis, a more severe infection involving the kidneys, may result from: All of the answers are correct. Therefore option E is correct.
Pyelonephritis can result from various routes of infection, including urethritis (inflammation of the urethra), cystitis (inflammation of the bladder), and ureteritis (inflammation of the ureters).
Additionally, it may also occur as a complication of systemic infections, where bacteria from other parts of the body spread to the kidneys via the bloodstream.
4. The following is NOT primarily a sexually transmitted infection (STI): Neisseria gonorrhoeae. Therefore option D is correct.
Neisseria gonorrhoeae is a bacterium responsible for the sexually transmitted infection known as gonorrhea. Therefore, it is indeed primarily a sexually transmitted infection (STI).
In summary, the normal vaginal microbiota is mainly composed of Lactobacillus species. Cystitis is most often caused by Escherichia coli, and pyelonephritis can result from various routes of infection.
Neisseria gonorrhoeae is a sexually transmitted infection, making it different from the other listed pathogens.
Know more about Lactobacillus:
https://brainly.com/question/31286173
#SPJ6
Cardiac output is the amount of blood pumped by the heart in one minute. Which of these will increase cardiac output?
Answer: the factors that increase cardiac output include:
--> Nervous stimulation and
--> Hypertrophy of the heart.
Explanation:
Cardiac output can be defined as the quantity of blood pumped into the aorta each minute by the heart. This is also the quantity of blood that flows through the circulation. There are factors that can cause increased cardiac output or that can lead to a hypereffective heart. They are:
--> NERVOUS STIMULATION: The combination of sympathetic stimulation and parasympathetic inhibition does two things to increase the pumping effectiveness or cardiac output of the heart. These include:
• it greatly increase the heart rate from the normal level of 72 beats/mum up to 180 to 200 beats /mom.
• it increases the strength of heart contraction, which is called increased contractility to twice it's normal strength.
--> HYPERTROPHY OF THE HEART: A long term increased workload, but not so much excess load that it damages the heart, causes the heart muscle to increase in mass and contractile strength in the same way that heavy exercise causes skeletal muscles to hypertrophy. This effect of increased muscle mass of the heart, allows the heart to pump much greater than usual amounts of cardiac output.
A student reads that Cnidarians have two layers of tissue during development.
Which answer describes a possible tissue layer?
A)deuterostome
B)ectoderm
C)radial
D)pseudocoelom
Answer:
it is ectoderm
Explanation:
HELP!!! 50PTS!!!
A population of deer has a carrying capacity of 875 deer, with a maximum rate of increase of 1.0 per individual per year. Using the logistic population growth model, what is the approximate population growth rate for a population of 420 deer?
148 deer per year
218 deer per year
307 deer per year
474 deer per year
Answer:
Option B, 218 deer per year
Explanation:
As we know
[tex]\frac{dP}{dt} = kP (1- \frac{P}{K})[/tex]
Where K is the carrying capacity
K is the rate constant
dP/dt is the change in population per unit time and
P is the population
Substituting the given values we get
[tex]\frac{dP}{dt} = k * 420 * (1-\frac{420}{875})\\= 1 *420 * (1-0.48)\\= 218[/tex]
Option B is correct
Answer:
218!
Explanation:
took the flvs test and got it correct
The nucleotide sequence of a strand of DNA TAC -CGG-AGTWhat the amino acid sequence of the resulting protein ?
The amino acid sequence would be "Met-Ala-Ser."
What is a nucleotide sequence?A nucleotide sequence is a linear arrangement of nucleotides, the building blocks of nucleic acids such as DNA and RNA. Nucleotides are composed of a nitrogenous base, a sugar molecule, and a phosphate group. There are four different nitrogenous bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, thymine is replaced by uracil (U).
The specific order of these nitrogenous bases in a DNA or RNA molecule encodes genetic information, which is used by cells to carry out various functions such as protein synthesis. The nucleotide sequence determines the structure and function of a nucleic acid molecule and plays a crucial role in the processes of heredity and evolution. The study of nucleotide sequences and their function is a central part of the field of molecular biology and genomics.
Learn more about nucleotide sequence, here:
https://brainly.com/question/30299889
#SPJ6
what makes one organism different from any other organism
Answer:
Their DNA.
Explanation:
Our DNA is the blueprint of how we are made. This separates us from other organisms.
Answer:
because of DNA and non similarities inherited by the parent
Hair color, eye color, height are all examples of
Answer:
physical labels or identifiers
Explanation:
i think that's what you're looking for
Answer:
genetic features
Explanation:
Why are antibiotics unhelpful for treating the common cold?
A. Colds are caused by bacteria.
• B. Antibiotics attack only bacteria.
• C. Antibiotics cannot treat disease.
D. Colds are caused by antibiotics.
B. Antibiotics attack only bacteria.
This is currently assigned to you. Try some challenge questions to turn in this assignment
= Steroid
Hormone
Diffusion: Getting Stuff into your
Cells!
= H20 = glucose
Key
= Na
Extracellular Space
Several types of molecules are sitting outside your cell. Only some
of them can diffuse into your cell without help.
• Use the red or orange points to drag each substance through
the cell membrane to find out which ones can and can't enter
• What is unique about the molecules that can enter the cell?
OOOOOOOOOOOOOOOOOOOO
CHALLENGE ME
Intracellular Space
Learn More
Answer:
What is the name of this website
or the book?
Choose the best definition for an ecosystem.
a place where one type of organism lives.
a place where organisms are interacting with other organisms and with their environment
a place where a group of organisms is interacting with another group of organisms
all of the nonliving things in the environment
Answer:
a place where organisms are interacting with other organisms and with their environment
Explanation:
HOPE IT'S HELPS YOUTHANKYOUAnswer:
a place where one type of organism lives.
Identify the biotic factors in the environment
shown. Check all that apply.
Complete question:
Identify the biotic factors in the environment shown. Check all that apply.
1) people
2) grass
3) rocks in the mountains
4) nylon tent
5) wooden kayak
Answer:
1) people
2) grass
Explanation:
The ecosystem is composed of living and non-living things that interact and depend on each other. These are the biotic and abiotic factors.
Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements. Biotic factors are all the living components in the ecosystem.Biotic and abiotic factors influence the survival and reproduction of living beings. They are related and in constant interaction. If one of these components is removed, the whole ecosystem will change because its equilibrium has been altered.
Every abiotic component influence organisms and their survival and reproductive rates.
A few examples of the abiotic factors are solar light, minerals, water, air, gases, soil, and humidity.
Examples of biotic factors are plants, animals, insects, microorganisms, etc.
-------------------------------------------------------------------------------------------------------------
The biotic factors of the provided list are:
People, which is a group of individuals composed of cells -which is the basic unit of life-. They grow, reproduce and survive. Grass, as one or many species of vegetables that are also multicellular. They grow, reproduce, and survive.The abiotic factors are:
Rocks, which are non-living things composed mainly of mineralsTent, which is also a non-living thing, is artificially made by humans.In my opinion, the wooden kayak is a gray zone, meaning that it might be confusing. A kayak is an abiotic element with no life and is built by men. But it is constructed of wood. The wood originates in trees that are living beings, they are composed of cells, and they used to be alive. However, when talking about the kayak wood, we are referring to dead tissue. It is not alive anymore. Its cells are dead so, their whole system is not working. It is now composed of minerals and other elements with no life, and it has been modified and processed to build the kayak.
So my opinion is that the wooden kayak is an abiotic factor.
4. The diagram below represents one possible immune response that can occur in the human body.
**The structures that are part of the immune system are represented by
A, only
A and C, only
B and C, only
A, B, and C
5. Explain your answer to the previous question
Answer:
A and C only
Explanation:
I'm sorry I don't know how to explain it but trust me its A and C only.
