Answer:
A
Explanation:
Answer:
c. beards grow thicker and their voices become slightly deeper and richer
Explanation:
Early adulthood scientifically lasts from age 20 to age 39, so, while you may be thinking puberty (hair growth, etc) it is more subtle changes such as the fact that the voice 'become slightly deeper and richer' . Both males and females continue to put on more weight (hormonal, not dietary!). Hope this helps! :)
This jet streams are south what kind of weather do we get
Answer:
The south gets warm air.
Explanation:
The Earth splits into hemispheres, therefore, the north gets cold and the south gets warm weather. The southern hemisphere is closer to the equator.
The human papilloma virus HPV carries a gene E6 that functions by inactivating the p53 protein. THe fact that the loss of p53 function is oncogenic suggests that______
The presence of the E6 gene in the human papillomavirus (HPV) leads to the inactivation of the p53 protein. The loss of p53 function is oncogenic, indicating that it promotes the development of cancer.
The p53 protein is a tumor suppressor that plays a crucial role in regulating cell growth and preventing the formation of tumors. Inactivation of p53, as facilitated by the E6 gene of HPV, removes its ability to suppress the growth of cancer cells. p53 normally acts as a checkpoint, detecting DNA damage and initiating repair processes or triggering cell death if damage is irreparable.
However, when p53 is inactivated, damaged cells can continue to divide and accumulate genetic abnormalities, leading to the formation of cancerous tumors. Therefore, the loss of p53 function, caused by the action of HPV's E6 gene, contributes to the oncogenic potential of HPV infection.
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Generalize: If either allele is the(dominant, recessive) allele for a trait, the organism will exhibit that trait. An organism will express the recessive trait only when(no alleles are,one allele is,both alleles are) recessive
Answer:
Generalize: If either allele is the DOMINANT allele for a trait, the organism will exhibit that trait. An organism will express the recessive trait only when BOTH ALLELES ARE recessive
Explanation:
May I have brainliest please? :)
If either allele is the dominant allele for a trait, the organism will exhibit that trait. An organism will express the recessive trait only when both alleles are recessive.
What is Trait?A trait may be defined as the appearance or manifestation of the desired character. It is also known as Phenotypes which are observed due to specific genotypes.
A dominant allele masks the effect of the recessive allele, and appears in its characters in the organisms, while recessive traits have only appeared when both alleles of the respective traits are found to be in the recessive form.
Therefore, it is well described above.
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Help! a gene for a certain neurotransmitter is being made in a brain cell. how can mrna represent an exact copy of that gene?
A. it is put together using base-pairing rules.
B. it matches the nucleotides of the dna exactly.
C. rna polymerase cuts out a section of the dna.
The mrna represent an exact copy of that gene as it is put together using base-paring rules.
What is Gene expression?Gene expression is the process by which genetic information carried by DNA are converted from genes via messenger RNA to proteins. mRNA is the molecules that links genes to proteins.
The mRNA is formed through the process of transcription from a gene strand. The mRNA is then translated into protein by the joint action to transfer RNA and the ribosome.
mRNA therefore, serves as a temporary copies of information found in the DNA. Thus, and mRNA represents an exact copy of the gene and it is put together using base pairing rules.
Therefore, The mrna represent an exact copy of that gene as it is put together using base-paring rules.
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Answer: it is put together using base-pairing rules.
Explanation: i took the test !
From Mendel's first set of experiments, he concluded that
a
there are two factors controlling each characteristic
he studied.
b the two factors separate and go to different
gametes.
с
of the two factors, one of the factors dominates the
other factor.
d all of the above are correct
Answer:
d. all of the above are correct.
all plants carry on photosynthesis true or false
Answer:
true
Explanation:
i think
What is the nucleus of a cell made up of??
Answer:
it made up of genetic materials and the cell found in it is called eukaryotic cells
Explanation:
I would have answered first but I was thinking hope it helps
The cell nucleus of eukaryotic cells contains all the genetic material of the organism, mainly DNA and RNA molecules .
What are characteristic features of eukaryotic nucleus ?The cell nucleus is a small spheroid or oval structure present in the central part eukaryotic cells, other wise called as the operational center as it control all cellular activities.
Largest organelle of eukaryotic cell where its shape can be circular or ovoid.
Along with center part, nucleus can also seen in periphery part of the cell.
It has different components like nuclear envelope or membrane, chromatin, nuclear pore, nucleolus and nuclear sap.
It helps in generation site of ribosome in nucleolus.
The nucleus involve in exchange of hereditary molecules in chromatin that is RNA and DNA between the nucleus and the rest of the cell.
It also help in transportation of regulatory factors and energy molecules selectively.
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indicate whether each description applies to a specific group of gymnosperms or to all gymnosperms. drag each item to the appropriate bin.
Gymnosperms:
In an enclosed structure, seeds do not develop.Generations must be switched.Gymnosperms are non-flowering plants of the Embophyta subkingdom. The seeds are not protected by an ovary or a fruit.
Ginkgos Only:
There is only one living species of leaves today.
Cycads Only:
Have palm-like foliage
Confires Only:
Pines and Redwoods
Cones are produced by all species.
Gnetophytes Only:
The appearance of the three genera varies greatly.
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Help me identify their name and structure please
The igneous rock based on the information is depicted thus.
What is a igneous rock?Hot, molten rock crystallizes and hardens to form igneous rocks, which are named after the Latin word for fire. Around active plate borders or hot places, the melt begins its journey deep within the Earth before rising to the surface.
According to definitions, igneous rocks are forms of rocks that are created when molten rock, or rock that has been liquefied by extreme heat and pressure, cools to a solid condition. Molten rock known as lava flows from cracks or vents at volcanic centers (when cooled, they form rocks such as basalt, rhyolite, or obsidian)
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How does the Digestive system help to maintain
A. Allow organisms to pass on life
B. Act as structure and support for the body
C. Break down food a form our cells can use and absorb
Answer:
C.
Explanation:
The digestive system allows our body to break down the foods we eat, so that we can get the nutrients from it!
Hope this helps!!
An exothermic reaction with a positive value for ΔSsys. (this reaction favors the reactants or products?
An exothermic reaction with a positive value for ΔSsys favors the products.
In thermodynamics, the change in entropy (ΔS) is a measure of the randomness or disorder of a system. For an exothermic reaction, the heat is released to the surroundings, resulting in a negative value for ΔH (change in enthalpy). However, the value of ΔSsys (change in entropy of the system) can be either positive or negative.
A positive value for ΔSsys indicates an increase in the randomness or disorder of the system. This means that the products of the reaction have a higher degree of disorder compared to the reactants. As a result, the reaction favors the products.
According to the Gibbs free energy equation (ΔG = ΔH - TΔS), a positive value for ΔSsys contributes to a decrease in the overall free energy of the system. Since the reaction is exothermic, the negative value of ΔH contributes to a decrease in the free energy as well. When the magnitude of TΔS is greater than ΔH, the ΔG value becomes negative, indicating that the reaction is spontaneous and favors the formation of products.
Therefore, an exothermic reaction with a positive value for ΔSsys favors the products over the reactants due to the increase in disorder or randomness in the system.
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Which part of the cell control the cell activities
Answer: The answer would be nucleus.
Explanation:
The nucleus is well known for the command center. That’s how you get the answer.
Answer:
the nucleus
Explanation:
Label the internal anatomy of the kidney using the hints provided Renal medulla Renal pyramid Renal column Renal sinus Renalcorte
The internal anatomy of the kidney includes the renal medulla, renal pyramid, renal column, renal sinus, and renal cortex.
The renal medulla consists of cone-shaped renal pyramids.
These pyramids contain nephrons, which are the functional units of the kidney. Surrounding the pyramids are the renal columns, which consist of cortical tissue and blood vessels.
The renal sinus is the cavity within the kidney that contains blood vessels, nerves, and other structures. Lastly, the renal cortex is the outer layer of the kidney, which contains the majority of nephrons and blood vessels.
In summary, the internal anatomy of the kidney consists of the renal medulla (with renal pyramids), renal column, renal sinus, and renal cortex.
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How are the results and findings of scientific study communicated?
Answer:
Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.
Answer:
Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.
According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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If a child has blood type O, and its mother has type A, could a man with type B be the father? why can’t a blood test be used to prove that he is the father?
Answer: Unfortunately, you cannot determine paternity by using the blood type method alone. Each person inherits ABO Blood Type from their parents.
Explanation: A man with type O blood would not be able to produce a child with type AB blood regardless of the mothers blood type. This is because type O blood is recessive and these individuals have two O alleles so the only allele they would be able to pass to a child would be "O".
True or false. An ecosystem is only a collection of biotic and abiotic factors.
I've learned about biotic and abiotic and how they work and live however is there anything else in the ecosystem or is that it? This is purely out of my curiosity
Answer:
\(\boxed{\textbf{True}}\)
Explanation:
⇒These abiotic and biotic factors interact with each other, keeping the ecosystem and environment moving along. The biotic and abiotic components are linked together through nutrient cycles and energy flows.
\(-TheAnimeGirl-\)
8b. Which of these modes of transmission require a bodily opening, either naturally or artificial?
Answer:
blood borne and sexual
Explanation:
during sexual intercourse fluids are transmitted naturally from one partner to the other when one has a cut on the skin he/she is likely to contract diseases when the cut is exposed to the blood of another personthe ans regulation of blood pressure is involuntary, yet biofeedback techniques enable individuals to reduce their pulse rate and blood pressure. explain how this occurs.
High blood pressure and pulse rate of the individual are reduced by the biofeedback method in which an individual's physiological parameters are visualized in instruments based on values in instrument blood pressure and pulse rate can be reduced by therapies.
Biofeedback is a technique in which individuals are trained to control their involuntary body function which is usually controlled by ANS (Autonomic Nervous System). This is possible because individuals who are in biofeedback therapy sessions are monitored by equipment that can sense physiological functions. This equipment converts physiological signals into auditory, and visual signals hence the patient and therapist can see or hear how the body is reacting to stimuli. Through techniques suggested by therapists, patients can control involuntary physiological functions of the body. Using biofeedback equipment physiological parameters like breathing rate, heart rhythm, finger temperature, and muscle activity of patients with high blood pressure will be collected. On basis of the physiological parameters, the result therapist will design a training program for the patient. Usually, patients are asked to breathe at different rates and contract muscles during therapy.
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20 points real answers please and thank you
The picture below shows a satellite image of a sea. (1 point)
Which of these statements is correct about the sea at Location A and Location B?
The waves at Location A are abnormally low.
The waves at Location B are abnormally low.
The waves at Location A move at high speed.
The waves at Location B move at high speed.
m. feldman, a. a. levy, t. fahima, a. korol, genomic asymmetry in allopolyploid plants: wheat as a model. j. exp. bot. 63, 5045–5059 (2012)
The given reference is a citation for a scientific article titled "Genomic Asymmetry in allopolyploid plants: wheat as a model" by M. Feldman, A. A. Levy, T. Fahima, and A. Korol. This article was published in the Journal of Experimental Botany in 2012.
The purpose of the article is to explore the genomic asymmetry observed in allopolyploid plants, with a focus on wheat as a model organism. Allopolyploidy refers to the presence of multiple complete sets of chromosomes from different species in a single organism. In this study, the authors investigate the genetic and genomic characteristics of wheat, which is an allohexaploid plant.
Wheat is an important crop, and understanding its genetic makeup can have implications for improving its traits and yield. The article likely includes research findings and analyses related to the genomic asymmetry observed in wheat and other allopolyploid plants. It may discuss the consequences of genomic asymmetry on gene expression, genetic variation, and evolutionary processes.
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Select the correct answer.
How many particles are in a mole?
When a free-moving object moves from the North Pole (90%) towards the equator (0°), it curves fro
ts intended path since:
Answer:
(3)
Explanation:
I found it on a website.
The Coriolis effect is named after Gaspard Gustave de Coriolis (1792–1843), who provided the first mathematical explanation for this apparent deflection of motion off a straight line in a rotating coordinate system.
What is coriolis effect?The Coriolis effect depicts the pattern of deflection experienced by objects traveling great distances around Earth without being firmly linked to the ground.
Several significant large-scale weather patterns are caused by the Coriolis effect. Earth's rotation is crucial to understanding the Coriolis effect. Particularly, Earth rotates more quickly at the Equator than at the poles.
Because Earth is wider towards the Equator, equatorial regions rotate at a speed of around 1,600 kilometers (1,000 miles) per hour in a 24-hour period. Earth rotates slowly toward the poles, at 0.00008 kilometers per hour.
Therefore, The Coriolis effect is named after Gaspard Gustave de Coriolis (1792–1843), who provided the first mathematical explanation for this apparent deflection of motion off a straight line in a rotating coordinate system.
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Both DNA and RNA are synthesized by covalently linking a nucleotide triphosphate to the previous nucleotide. In the case of DNA the new strand becomes part of a stable double helix with complementary antiparallel strands. What is the principal force that holds the antiparallel strands together
The principal force that holds the antiparallel strands together in the case of DNA is hydrogen bonding. Both DNA and RNA are synthesized by covalently linking a nucleotide triphosphate to the previous nucleotide.
In the case of DNA, the new strand becomes part of a stable double helix with complementary antiparallel strands.DNA is a long polymer of nucleotides, and each nucleotide consists of a nitrogenous base, a phosphate group, and a sugar. Hydrogen bonds between specific nitrogenous base pairs hold the antiparallel strands of DNA together. Each nucleotide has a nitrogenous base, which can be adenine (A), thymine (T), guanine (G), or cytosine (C). A nucleotide in one strand is held together to a nucleotide in the complementary antiparallel strand by two or three hydrogen bonds. Hydrogen bonding occurs between the nitrogenous base pairs, which are Adenine (A) and Thymine (T) and Guanine (G) and Cytosine (C).
The hydrogen bonds between complementary nitrogenous base pairs hold the two strands together in the form of a double helix. Thus, hydrogen bonding is the principal force that holds the antiparallel strands together in DNA. Reference: Campbell Biology, 10th Edition, Chapter 5.
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Does anyone know 12?? Will mark brainliest
WILL GIVE BRAINLIEST IF RIGHT !
Identify the 2 constructive processes from the list below.
A) A river wears away the land creating a canyon.
B) Over time a mountains top becomes less jagged and more rounded.
C) A volcano erupts and lava flows down its sides.
D) Silt is deposited at the mouth of a river.
Answer:
C, D.
Explanation:
C: The flowing lava creates extra rock. For example, entire islands are formed via this process of volcanos erupting, lava cooling, repeat.
D: Silt from erosion (erosion itself is considered destructive, but the resulting silt can turn into something constructive.) can build up entire mounds or mountains over time.
Which discovery best supports the hypothesis that evolution of the lactase-persistence trait was driven by dairying, the use of milk as a source of adult nutrition in pastoralist cultures
Answer:
The discovery that; The age of pots ( ancient ) that was used to hold milk in ancient times is as old as the Lactase-persistence mutations
Explanation:
The discovery that best supports the hypothesis is given in the question ( The hypothesis about he evolution of the lactase-persistence trait was driven by dairying ) is that The age of pots ( ancient ) that was used to hold milk in ancient times is as old as the Lactase-persistence mutations
the basic unit of all life. contains organelles the work together to maintain homeostasis within the organism.
Answer: the cell
Explanation:
What is the function of the structure identified by the red arrow?
Mobility
Protection
Reproduction
DNA transfer
Answer:
I'm not entirely sure, however, since no one has answered your question yet, I'll say A. Mobility
This thing probably moves around, and it doesn't look like it could protect it, or anything.
Answer:
The answer is Mobility.
Explanation:
Took the test.
5 PLZ HELP 12points+
Select the correct answer.
If the population of rabbits in this ecosystem decreased dramatically because of certain environmental changes, which organisms’ food supply would decrease?
A.
owl and snake
B.
jackal and wildcat
C.
green plant and mouse
D.
goat and wildcat
Answer: B, the jackal and wildcat