Answer:
The answer is D.
Explanation:
Just took the quiz and got it correct.
The correct statement is that the mineral on the left cool more slowly than the mineral on the right
The crystallization process is simply known as the way through which atoms are arranged to form a material with a crystal structure.
A ways minerals is formed is by:
Crystallization of magma or lava
The minerals that forms igneous rocks often solidify or freeze at different temperatures.
Magma are created underground, in the lower crust or upper mantle, due to the intense heat there.
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Please help me with this question
Primary sex characteristics are to Male testes as secondary sex characteristics are to female ovaries, option C.
What are the roles of primary and secondary sex characteristics?Both primary and secondary sex characteristics play important roles in sexual development and behavior, as well as in physical attraction between individuals.
Primary sex characteristics are the sexual organs directly involved in reproduction, such as the testes in males and ovaries in females. Secondary sex characteristics are physical features that are not directly involved in reproduction but distinguish males and females and develop during puberty, such as deepened male voice and underarm hair.
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What term is used to describe the state at which a solute moves down its concentration gradient
through the plasma membrane and becomes evenly distributed in the cytosol?
Diffusion is used to describe the condition at which a solute moves down its concentration gradient through the plasma membrane and becomes uniformly distributed in the cytosol.
What is Diffusion?Diffusion is the type of net movement of particles from an area of higher concentration to an area of lower concentration. It is driven by the gradient in Gibbs free energy or chemical potential.
This occurs through the semi-permeable membrane like the plasma membrane. Diffusion of small molecules and macromolecules such as proteins in aqueous solutions plays an important role in microorganisms, plants and animals.
Few examples of Diffusion are:
Perfume is sprayed in one part of the room so that it can spread easily so that we can feel its smell everywhere. A drop of food coloring spread throughout the water in a glass, the whole glass will be colored.Thus, Diffusion is used to describe the condition at which a solute moves down its concentration gradient through the plasma membrane and becomes uniformly distributed in the cytosol.
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what is the oldest marine organism on record
Answer:
Explanation:
The longest-lived animal ever discovered is a quahog clam, estimated to be 507 years old.
I am generally found both inside and outside of the nucleus [in eukaryotic cells]
ANSWER CHOICES:
DNA ONLY
RNA ONLY
BOTH DNA AND RNA
Answer:
DNA
Explanation:
Answer:
hi you wasted one of the answers i had for my question so im returning the favor :)
Explanation:
DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence
mRNA sequences: UGG AGA AAU GUG UGC CUC CCA UGC GAU AAG AUG UGC CAA CGC GUA UUA GUA AUA CUA AUG UGC
What function does mRNA serve in the Covid vaccine?Your cells learn how to produce duplicates of the spike protein from the mRNA in the vaccination. If you later come into contact with the actual virus, your body will be able to detect it and fight it off. The instructions are sent by the mRNA, which is then degraded and eliminated by your cells.
mRNA vaccines: are they better?Many scientists believe that the large amounts of virus-blocking antibodies, known as neutralizing antibodies (nAbs), that the mRNA vaccines produce explain why they are so effective at preventing infection.
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4. How of Earth's upper layers flows very
slowly?
A)asthenosphere
B) continental crust
C)lithosphere
D)ocean crust
The asthenosphere is the Earth's upper layer which flows very slowly.
What is the asthenosphere ?The Earth's upper mantle contains the ductile and mechanically feeble asthenosphere. It stretches as far as 700 km beneath the lithosphere, between 80 and 200 km below the surface. The asthenosphere's lower border, however, is not clearly defined.
What are the upper layers of Earth?Lithosphere is the Earth's thin, brittle crust and upper mantle make up its uppermost layer. The lithosphere is divided into slowly moving tectonic plates and is generally stiff.
Although the asthenosphere is nearly solid, its mechanical weakness is caused by a little amount of melting (less than 0.1% of the rock). The most significant source of magma on Earth is when the asthenosphere wells upwards because there is more extensive decompression melting there.
Hence, The asthenosphere is the Earth's upper layer which flows very slowly.
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What was the climate like prior to the extinction ?
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
girlcome 5324611502 p-here
Um what do you mean by that ?
Question 1-3
The unique properties of water enable life to exist on Earth. Which of these is a property of pure water?
It dissolves many substances
o its sold form is denser than its liquid form.
o it is slightly more acidic than air.
o It has a low heat absorption capacity:
ALL
It dissolves many substances.
Water is used in the breakdown of molecules in metabolic processes. It will dissolve what cells use for energy and give that energy in the process.
Why do you get a sugar rush immediately after
eating candy?
A. because your LIVER is working to detoxify the candy before it
poisons you
B. because candy is composed primarily of STARCHES which are
quickly broken down by enzymes
C. because your taste buds are reacting to the candy and are
overwhelmed by how good it tastes
D. because candy is composed primarily of SIMPLE SUGARS which
are quickly broken down by enzymes
Answer: D because candy is composed primarily of SIMPLE SUGARS which are quickly broken down by enzymes
Explanation: The sugar in it -- called a simple carbohydrate -- is quickly turned into glucose in your bloodstream. Your blood sugar levels spike. Simple carbs are also found in fruits, veggies, and dairy products.
Answer:
Your answer is D.
Explanation:
characteristics of contaminated water
Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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HELP PLEASEEE 40 points!
1. How was penicillin developed after Fleming’s initial discovery?
2. How did sulfa drugs and penicillin alter World War II?
3. Why are companies not interested in producing antibiotics today? What might encourage them to research and develop new antibiotics?
4. What has contributed to antibiotic resistance?
5. What will happen if antibiotic resistance is not addressed?
Answer:
1. The discovery of penicillin changed the course of modern medicine significantly, because due to penicillin infections that were previously untreatable and life threatening were now easily treated.
2. World War II saw major advances in medical technology including the mass production of penicillin. On March 14, 1942, U.S. made-penicillin was used to successfully treat the first patient for septicemia, or blood poisoning
3. One of the biggest reasons the pharma industry is not interested in antibiotic drug development is that it is an extremely costly venture. According to estimates, the cost of developing an antibiotic is around $1.5 billion
4.Misuse and overuse of antimicrobials are the main drivers in the development of drug-resistant pathogens. Lack of clean water and sanitation and inadequate infection prevention and control promotes the spread of microbes, some of which can be resistant to antimicrobial treatment
5. A growing number of infections – such as pneumonia, tuberculosis, gonorrhoea, and salmonellosis – are becoming harder to treat as the antibiotics used to treat them become less effective. Antibiotic resistance leads to longer hospital stays, higher medical costs and increased mortality
Explanation:
i hope this helps :)
Question 4 of 10
Having hair on the back of the hand is dominant (H), and not having the hair is
recessive (h). A mother has Hh and a father has hh. If they have a child, which
genotype will make their child not have hair on the back of the hand?
OA. HH
OB. hh
OC. hH
O D. Hh
If they have a child, hh genotype will make their child not have hair on the back of the hand.
The genotype of the father is h and the genotype of the mother is H and h.
When Mother's H crosses with father's h then Hh genotype will form which ultimately results in the formation of hair on the back of the hand. Whereas, when mother's h crosses with father's h then it will form hh genotype which ultimately result not to have hair on the back of the hand.
Genotype- The term "genotype" broadly refers to an organism's genetic make-up; in other terms, it characterizes an organism's whole gene pool.
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Below are the ingredients of photosynthesis. Organize them to show what is used and what is produced
during this process.
carbon dioxide
water
oxygen
glucose
sunlight
_____plus_____in the presence of_____result in_____plus_____
Which of these is an example of ACTIVE immunity?
A)vaccine
B)antitoxin
C)maternal antibody
D)monoclonal antibody
Answer:
example of active immunity is a)vaccine
Design a controlled experiment
to test your hypothesis.
A controlled experiment is one
that only tests one variable.
All other variables must remain
the same. Make a drawing
below that shows how you will
set up your experiment.
Then, write a description of the
one factor that will vary and
the two factors that will remain
the same.
Design a Controlled Experiment
Make your drawing here:
On why plants grow bigger
Description:
One factor that will vary:
The amount of sunlight received by the plants.
Two Factors will remain the same:
Soil type and quality.
Watering schedule and amount.
In the controlled experiment, the hypothesis is focused on the impact of sunlight on plant growth. The variable being tested is the amount of sunlight, which can be manipulated by using different shading techniques or adjusting the exposure time to sunlight.
All other factors, such as the type and quality of soil and the watering schedule, should remain constant throughout the experiment to isolate the effect of sunlight on plant growth.
Experiment Design:
Drawing Description:
The drawing will depict a setup with two identical plant pots placed side by side. Both pots will contain the same type of soil and receive equal amounts of sunlight. The experiment will vary one factor, which is the amount of water given to each plant.
One plant will receive a regular amount of water (Group A), while the other plant will receive a larger amount of water (Group B). All other variables, such as light exposure, soil type, temperature, and plant species, will remain the same for both groups.
Description:
The hypothesis being tested is whether increased water availability affects plant growth. The one varying factor is the amount of water given to the plants, with Group A receiving a regular amount and Group B receiving a larger amount.
By keeping all other factors constant, the experiment aims to isolate the influence of water on plant growth. The plant's growth will be monitored over a specific period, and measurements such as height, number of leaves, or biomass can be recorded and compared between the two groups. This controlled experiment allows for a clear evaluation of the impact of water availability on plant growth.
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Most enzymes fall into which group?
lyases
hydrolases
transferases
isomerases
Sally is working on a farm and cuts her hand whilst opening a gate.
The cut becomes infected with bacteria that then invade the tissues of the finger.
The bacteria begin to multiply, each division doubling their number.
There are now too many bacteria for Sally’s immune system to cope with. The infection spreads.
Sally goes to the doctor to get some antibiotics. The doctor prescribes penicillin tablets and Sally begins to take the medicine. Many of the bacteria are killed by penicillin. Some bacteria however are naturally resistant to the antibiotic and so are not killed. These bacteria are said to be adapted to their environment.
The resistant individuals then multiply, increasing their numbers a million-fold in a day. Soon the antibiotic resistant bacteria become very common in the population. Sally’s infection is now very serious and will soon spread throughout her entire body. She returns to the doctor.
1. Does the antibiotic cause the resistance to the antibiotic?
2. In this example, how do you know that antibiotic resistance has a genetic basis?
3. What should the doctor now do to help Sally get better?
Which is the overall purpose of the excretory system? extracting energy from food removing wastes from the body moving nutrients through the body gathering information
Answer:
removing wastes from the body
Explanation:
Excretory system is one of the organ systems in our body. The excretory system encompasses all the organs in the body associated with the function of REMOVING WASTES FROM THE BODY, which represents the primary function of the excretory system.
These organs in the excretory system which include; kidney, skin, lungs etc. all functions to remove one waste or the other. For example, the kidney removes URINE, the skin removes SWEAT, the lungs remove C02.
Answer:
removing wastes from the body
Explanation:
edge 2021
In making proteins, the first AUG is considered the start codon and is the place where translation initiatesand encodes for the amino acid methionine. However, there are RNA bases before the first AUG. Why are there the extra bases in front of the first AUG?
a.
it is junk RNA and not used for anything
b.
it is a mistake and is removed by enzymes before translation starts
c.
it is used in regulation:
making the right protein,
in the the correct cell type,
at the proper time of development,
and, in the right amount.
d.
none of the above
The extra bases which are present before the AUG play a role in regulation and ensuring the right protein is made in the correct cell type during the correct time of development.
The correct option is option c.
The extra bases which are found to present before the first AUG codon in the eukaryotic messenger RNA, or the mRNA are basically known as the 5' untranslated region or the 5' UTR or the leader sequence. The 5' UTR happens to play a very crucial role in the regulation of the gene expression as well as protein synthesis.
It ensures that the right protein is being synthesized in the right cell type and during the proper time of the development.
Hence, the correct option is option c.
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Why do teens tend to make riskier decisions than adults?
3.3 The inheritance of fur colour in cats is sex-linked. The tortoise-shell colour of cats is a combination of black and orange fur. The allele for black fur is represented by X³ and the allele for orange fur is represented by Xº. A female cat with a tortoise-shell colour mates with an orange male cat. HINT: The sex chromosomes/gonosomes in cats are the same as in humans. 3.3.1 Use the symbols X³. X and Y to represent a genetic cross of the mating stated above. Also indicate the proportion of the F₁ phenotypes. Explain why the male kittens can never have the tortoise-shell colour. 3.3.3 Explain why the female kittens can have the tortoise-shell colour. 3.3.2 (7) (2) (2) (11)
Answer:
The inheritance of fur color in cats is indeed sex-linked. The tortoise-shell color is a combination of black and orange fur. The allele for black fur is represented by X³ and the allele for orange fur is represented by Xº. When a female cat with a tortoise-shell color mates with an orange male cat, the genetic cross can be represented as follows:
Xº Y
X³ X³Xº X³Y
Xº XºXº XºY
The proportion of the F₁ phenotypes would be 1:1 for females (50% tortoise-shell and 50% orange) and 1:1 for males (50% black and 50% orange).
Male kittens can never have the tortoise-shell color because they only inherit one X chromosome from their mother. Since the alleles for black and orange fur are both located on the X chromosome, male kittens can only inherit one or the other, but not both.
Female kittens can have the tortoise-shell color because they inherit one X chromosome from each parent. If they inherit the X³ allele from one parent and the Xº allele from the other parent, they will have both black and orange fur, resulting in a tortoise-shell color.
Explanation:
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!! THIS IS SERIOUS, ILL MARK BRAINLIEST IF POSSIBLE. Can a relationship between organisms be both parasitic and commensalism at the same time? I seriously doubt it I'm just having second thoughts because this test has a lot of pressure on it;;;
Answer:
no it cannot happen at the same time
Explanation:
What causes uncontrolled cell division at the genetic level?
Answer:
mutations affecting proteins that normally regulate the cell cycle.
Explanation:
The function of the cell cycle is the duplication of DNA molecules in chromosomes and precisely separated by copying into two genetically identical daughter cells.
A tumor is an abnormal mass of tissue that results from the uncontrolled growth of cells.
only animals respond to their environment true or false
\(\textbf\red{False}\)
\( \\ \\ \)
\(\small\text\green{\underline{All living things responds to their environment.}}\)
Plz answer asap - As the universe "Expanded" what happened to the Local Groups of Galaxies?
Answer:
they ex-0 off
Explanation:
Answer:
I heard it exploded
Explanation:
what are general application of phylum nematoda?? please help me
Which blood type would not be possible for children of a type AB mother and a type A father?
a. Type A
b. Type B
c. Type O
d. Type AB
Answer:
c. O
because no parent has o in their blood.
Explanation:
what does the pH scale indicate
Answer:
pH is a measure of how acidic/basic water is
Explanation:
Layers of sediment form on top of one another. Sometimes, plants and animals that have died are preserved in these layers of
sediment, and fossils are formed. When the layers are dug up, the relative age of a fossil can be determined by comparing it to
fossils found in layers above and below it. Fossils from lower layers are older, and fossils from upper layers are younger
Which of the fossils shown below is most likely the youngest?
if the order is from left to right, then the first one would be the youngest