Answer: 100%
Explanation: In completing a punnet square cross of a homozygous dominant individual (AA) with a homozygous recessive individual (aa), you get the genotypic ratio of 100% heterozygous (Aa) from AA x aa.
A A
a Aa Aa
a Aa Aa
Protein transcription mainly takes place in the ____, then sent to the ____ for post-transcriptional modification, processing, and packaging
Protein transcription mainly takes place in the nucleus, then sent to the endoplasmic reticulum for post-transcriptional modification, processing, and packaging.
Protein transcription involves the synthesis of messenger RNA (mRNA) from a DNA template, which occurs in the nucleus of eukaryotic cells. The newly synthesized mRNA is then transported out of the nucleus and into the cytoplasm, where it binds to ribosomes for translation into protein.
Before the mRNA can be translated, it must undergo post-transcriptional modification, processing, and packaging in the endoplasmic reticulum (ER). This process involves the addition of a 5' cap and a poly(A) tail to the mRNA, as well as the removal of introns and splicing together of exons to form a mature mRNA molecule.
Once the mRNA is mature, it is exported from the nucleus and transported to the ER, where it undergoes further modifications, such as glycosylation, phosphorylation, and folding into its correct conformation. The modified protein is then packaged into vesicles and transported to its final destination, such as the cell membrane or secretion outside the cell.
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Give two causes of Malnutrition
HELP :)
Answer:
Two causes of Malnutrition are not eating enough food and or not drinking enough water.
Explanation:
Obese women wond to have higher leveis of estrogen, androgens, and leptin than nonobese wómen. True) 12:09 PM True 12:09 PN Which factor is the most significant predictor of childhood obesity? low tamily income food insecurty matemal obotity oarly BMi rebound 12:09 PM A dietetic internship is not required for RDNs who work in community settings. True False
The most significant predictor of childhood obesity is maternal obesity.
Numerous studies have shown that maternal obesity is strongly associated with an increased risk of childhood obesity. Maternal obesity during pregnancy can have long-lasting effects on the developing fetus, including alterations in metabolism, hormonal imbalances, and changes in the developing brain.
These factors can contribute to an increased susceptibility to obesity in childhood and later in life.
Maternal obesity can influence the intrauterine environment, leading to an overexposure of the fetus to excessive nutrients and adipokines, such as leptin, insulin, and inflammatory cytokines. This can disrupt the normal development of metabolic pathways and regulatory mechanisms involved in energy balance and body weight regulation.
Additionally, maternal obesity can also impact early feeding practices, such as breastfeeding initiation and duration, as well as the introduction of solid foods. These factors can further contribute to the development of unhealthy eating habits and an increased risk of childhood obesity.
It is important to address maternal obesity as part of comprehensive strategies to prevent and manage childhood obesity. This may include interventions targeting preconception and prenatal care, promoting healthy lifestyles and weight management, and providing support for breastfeeding and healthy infant feeding practices.
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27. What are the three consequences Hank describes that can happen if your body is in a constant state of stress? Given what you know about the sympathetic nervous system describe the physiology of one of these consequences (why would it occur)?
Hank describes three consequences that can happen if your body is in a constant state of stress. The three consequences that Hank describes are as follows:
Long term stress can cause wear and tear on the body, which could increase the risk of several health problems such as anxiety, depression, high blood pressure, heart disease, and a weakened immune system. Moreover, chronic stress could cause some mental health issues such as PTSD, anxiety disorders, and depression.
Chronic stress could affect how the body responds to inflammation, making it harder for the body to combat infections and increasing the risk of autoimmune diseases such as lupus and multiple sclerosis.Chronic stress could affect the cardiovascular system by increasing the heart rate, constricting blood vessels, and increasing blood pressure.
The sympathetic nervous system, which is responsible for the “fight or flight” response in the body, is activated in stressful situations. When this system is activated, the adrenal gland releases hormones such as adrenaline and cortisol, which results in an increased heart rate, rapid breathing, and higher blood pressure.
This physiological response can have negative effects on the body if it’s prolonged. If the body is constantly in a state of stress, the sympathetic nervous system is always activated, and this puts a strain on the cardiovascular system. High blood pressure can cause damage to the walls of the arteries, leading to an increased risk of heart disease.
Additionally, the constant strain on the heart can cause it to become enlarged, leading to heart failure.
Therefore, it is important to manage stress levels to prevent the negative effects it can have on the body.
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Fill in the blanks. Regulatory transcription factors bind to ________________, while general (or basal) transcription factors bind to _________________. Group of answer choices
Answer:
mmdwvrtgshbfeuhe
Explanation:
Mesenchymal stem cells are enriched in head neck squamous cell carcinoma, correlates with tumour size and inhibit T-cell proliferation
Cancer is a multifactorial illness that involves not only altered epithelial cells, but also immune system cells and cells of mesenchymal origin, notably mesenchymal stem cells (MSCs). Mesenchymal stem cells promote blood and lymph neoangiogenesis, produce pro-invasive myofibroblasts, and may decrease anti-tumor immunity.
What is Mesenchymal stem?
Mesenchymal stem cells (MSCs) are stromal cells that may self-renew and differentiate into many lineages. MSCs may be isolated from a wide range of tissues, including the umbilical cord, endometrial polyps, menstrual blood, bone marrow, adipose tissue, and others. This is due to the ease with which these sources may be harvested and the amount collected, making them ideal for experimental and perhaps therapeutic uses. MSCs have recently been discovered in unexpected places, such as menstrual blood and endometrium.
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The uterine contractions during the birth process serve two central functions-one is dilation. The other is ____.
There are two alleles at the J locus: J 1
and J 2
⋅J 2
is the less desirable allele-in homozygous form it is lethal-and its frequency in the current generation is .2. What will be the frequency of J 2
in the next generation if: a. with respect to fitness, J 1
is completely dominant to J 2
? b. J 2
is partially dominant such that J 1
J 2
individuals produce 70% fewer offspring than J 1
J 1
types? c. Compare your results for (a) and (b) above and explain why they differ.
Answer:
Explanation:
DONT KNOW SORRY
Why might you consider hardy weinberg equilibrium a baseline or null hypothesis for evolution?.
The Hardy-Weinberg Equilibrium can be seen as a baseline or null hypothesis for evolution because it can be utilized to study evolutionary phenomena by comparing the frequencies of alleles in a population over time.
The Hardy-Weinberg Equilibrium is a model that defines the ideal genotype frequencies in a population that isn't evolving. Based on the Hardy-Weinberg equilibrium, any deviations from the ideal population are due to some factors (genetic drift, mutation, gene flow, non-random mating, or natural selection) that promote evolutionary change.
The Hardy-Weinberg equilibrium is an essential model to consider when studying population genetics, which is an area of evolutionary biology. It is frequently employed as a null hypothesis to investigate the effect of selective pressures on the frequencies of alleles in populations. As a result, any deviation from the Hardy-Weinberg equilibrium can be viewed as an indication of evolutionary change.
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I ran out of free responses plz help!!!!111!!!!11 Which structure in this plant cell represents the site of ATP production from photosynthesis? A, A large form in the cell. B, A small space for A T P production. C, Mitochondria. D, Nucleus. A B C D
Answer:
The correct answer is - option B. A small space (chloroplast).
Explanation:
The chloroplast is the cell organelle present in a photosynthetic organism like plants and algae which helps in trapping light and store in energy-rich organic molecules.
Stroma is the site where ATP production takes place in the chloroplast during the photosynthesis process. In light-dependent reactions during photosynthesis, ATP is produced in The thylakoid.
Thus, the correct answer is - option B.
Answer:
its b
Explanation:
Which type of stem and root does this plant have? Check all that apply.
woody stem
herbaceous stem
cambium stem
taproot
fibrous root
xylem root
Answer:
it 2 and 5
Explanation:
Answer:
Herbaceous stem and Fibrous root.
Explanation:
for you to be able to run, must relay messages from your central nervous system to your leg muscles. a sensory neurons b agonists c motor neurons d interneurons e the autonomic nervous system
The right response is motor neurons, or C.
From the central nervous system, the motor neuron branches to the effector, which may be a muscle or gland. The central nervous system and the peripheral nervous system are the two main divisions of our neuron system. The spinal cord and brain make up the central nervous system, which is a component of the neuron system. The central processing unit of the body is the CNS. Since the brain is the main component of the CNS and regulates all bodily activities, including thought, movement, and awareness, it also has influence over the five senses of taste, smell, hearing, feeling, and sight. The spinal cord is essential in supporting these processes.
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Chemoreceptors are located in the carotid and aortic bodies that are sensory receptors that are sensitive to increase in blood carbon dioxide level and decreases in blood oxygen level. The carotid body receptors are found at the point where the common carotid arteries divide, and the aortic bodies are small clusters of chemosensitive cells that lie adjacent to the aortic arch near the heart.
Chemoreceptors are sensory receptors that are sensitive to increases in blood carbon dioxide level and decreases in blood oxygen level. These receptors are located in the carotid and aortic bodies.
The carotid body receptors are located where the common carotid arteries divide, while the aortic bodies are small clusters of chemosensitive cells located near the aortic arch, which is close to the heart.
Chemoreceptors are responsible for maintaining the respiratory rate in the body. The body requires a constant supply of oxygen to carry out its metabolic functions, and carbon dioxide is released as a result of this metabolic activity.
When carbon dioxide levels in the blood increase or oxygen levels decrease, chemoreceptors in the carotid and aortic bodies detect this change and send signals to the respiratory center in the brain to increase respiratory rate. This helps to increase oxygen levels in the blood and reduce carbon dioxide levels.
A person's respiratory rate is largely controlled by chemoreceptors, which sense the levels of carbon dioxide and oxygen in the body. The carotid and aortic bodies contain these chemoreceptors, which are sensitive to changes in blood gas levels.
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Which blood component fights and destroys disease-causing bacteria and
viruses?
Answer:
white cells
Explanation:
Which of the following is acellular?
A.virus
B.bacterium
C.fungus
D.protozoan
The following which is acellular is A. Virus.
Viruses are acellular, meaning they are not composed of cells and cannot reproduce without a host cell.
One defining feature of viruses is their acellular nature. They do not have cellular structures such as a nucleus, cytoplasm, or organelles like mitochondria. Instead, viruses are composed of genetic material, either DNA or RNA, surrounded by a protein coat called a capsid.
Some viruses may also have an outer envelope derived from the host cell's membrane.
The acellular nature of viruses means that they cannot carry out the essential functions of life on their own. Unlike cells, they cannot grow, metabolize nutrients, or replicate their genetic material independently.
Instead, viruses require a host cell to carry out their replication and production of new viral particles.
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List 5 fun facts about the salt in the ocean.
Bladder wrack grows more quickly than saw wrack.
Suggest an explanation why.
Answer: The bladders hold lots of air.
The diversity of species in a community refers to the _____. interactions of different species ability to resist change number of individual organisms number of different species
Answer:
number of different species
Explanation:
The diversity of a species is the number of different species in a given community (dataset). Meanings of species diversity may include species richness, taxonomic or phylogenetic diversity, and/or species evenness.
Which term describes DNA sequences that code for proteins
- genome
- gene
- regulatory sequences
- non-coding regions
Explanation:
Gene
A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.
How far each of the following statements is correct with explanation: Spores of fern plant are produced due to mitosis
Answer:
did u know the answer
Explanation:
if a parent cell starts with 22 chromosomes how many chromosomes will each daughter cell have after mitosis
Answer:
For mitosis, the DNA content of the daughter cells and the mother cell will always be identical. Since the number of cells have doubled, so has the DNA. The 16 chromosomes in the mother cell will be duplicated, then the duplicates split and evenly divided into the daughter cells. The 16 chromosomes in each daughter cell will be non-duplicated at first.
Explanation:
yan po sagot ko hope it help to you po
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell.
What is mitosis?
The division of a cell of the body that results in two cells, each with the same number of chromosomes as the original cell.
What is daughter cell?
The daughter cells from mitosis are called diploid cells. Diploid cells have two complete sets of chromosomes.
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What do we call a substance formed by many molecules that are joined together in a long, chain-like structure that combines with monomer liquid to
create an acrylic product
A. pigmented gel
B. dehydrating gel
C. polymer powder
D. catalyst
Why is conjugation in bacteria not considered to be sexual reproduction?
A.It can occur between different species.
B.DNA is shared, but no new organisms are produced.
C.Cell division occurs, but no DNA is shared.
D.Conjugation is a form of binary fission, which is asexual reproduction.
Answer:
B.DNA is shared, but no new organisms are produced.
energy loss happen when a filament bulb glow. Write a situation where this energy is used properly. 20 pts
Answer:
When turning electrical energy into light energy.
Explanation:
When the filament heats up and becomes red-hot as a result of opposing and resisting electricity, it begins to glow and therefore turns electrical energy into light energy.
Which of the following do cells and viruses have in common
Answer:
NUCLEIC ACID
Explanation:
According to the information in the Venn diagram, the only structure or component that a virus and a cell have in common is nucleic acid. ... Thus unlike living cells, viruses do not reproduce: They replicate by controlling the DNA and protein production of a living cell.
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What reaction occurs in the stroma of the chloroplast?
Group of answer choices
Krebs Cycle
Light Independent Reactions
Light Dependent Reactions
Glycolysis
Answer:
Light Independent Reactions
Explanation:
The stroma is the fluid-filled space of chloroplasts the thylakoids. It contains all the enzymes required for light-independent reactions of photosynthesis and is, therefore, the site of the Calvin cycle.
The Krebs cycle and glycolysis are stages of cellular respiration and occur in the mitochondria.
The light-dependent reactions occur in the thylakoids
how many inches thick should the bear's fur layer ( lfur ) be to hold a layer of air lair so that adequate insulation is provided?
Answer: 45 inches long
Explanation:
: Describe the general challenges faced by oceans. Please
elaborate your answer wherever necessary.
Oceans face challenges such as pollution, overfishing, climate change, habitat destruction, invasive species, noise pollution, and a lack of marine protected areas.
These issues harm marine life, disrupt ecosystems, and impact human livelihoods. Pollution, including plastics and chemical contaminants, degrades water quality. Overfishing depletes fish stocks and disrupts marine ecosystems. Climate change leads to rising temperatures, ocean acidification, and sea-level rise, affecting marine life and habitats.
Habitat destruction, invasive species, and noise pollution further harm marine ecosystems. The establishment of well-managed marine protected areas is crucial. Addressing these challenges requires global cooperation, sustainable practices, and conservation efforts.
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How would you personally reduce the levels of waste in society ?
Answer:
You could personally reduce the levels of waste in society by picking up your trash and throwing it away, and not littering. You can also pick up any garbage you find on the ground whenever your walking around in public.
These are just simple ideas to help reduce waste, but by using these examples, you can get the idea by doing things like these.
Explanation:
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You have been hired by NASA as a consultant to
promote space travel and encourage people to
take a journey through our solar system.
Create a travel brochure that illustrates and
highlights each celestial body including
relative distance from earth and size.
Answer:
Explanation:
Welcome to our Solar System Adventure!
Embark on a journey through our vast and mysterious solar system. From the smallest planets to the largest gas giants, every celestial body has something unique to offer. Come with us and explore the wonders of our solar system!
Mercury:
Distance from Earth: 77 million km
Size: 4,880 km in diameter
Mercury is the closest planet to the Sun and the smallest planet in our solar system. Its surface is covered with craters and is heavily scarred due to its lack of atmosphere. Despite its harsh conditions, Mercury is a fascinating planet to explore.
Venus:
Distance from Earth: 42 million km
Size: 12,104 km in diameter
Known as Earth's sister planet, Venus is similar in size and composition. However, its surface is a scorching hot, inhospitable place due to its thick atmosphere, which traps heat and creates a runaway greenhouse effect. But despite these conditions, scientists believe that Venus may have once been habitable, making it an exciting destination for exploration.
Mars:
Distance from Earth: 78 million km (closest approach)
Size: 6,779 km in diameter
The Red Planet, Mars, has long captured the imagination of scientists and explorers alike. Its surface is covered with rusty-red dust and massive volcanoes, and it is home to the largest volcano in our solar system, Olympus Mons. With the potential for past or present microbial life, Mars continues to be a prime target for future exploration.
Jupiter:
Distance from Earth: 628 million km
Size: 139,822 km in diameter
Jupiter is the largest planet in our solar system and is known for its massive size and colorful bands of clouds. It has more than 75 moons, including four large Galilean moons that are fascinating worlds in their own right. Jupiter's turbulent atmosphere and powerful magnetic field make it an incredible destination for exploration.
Saturn:
Distance from Earth: 1.2 billion km
Size: 116,460 km in diameter
Saturn is famous for its magnificent rings, which are made up of countless icy particles that reflect sunlight and create a stunning sight from space. It has dozens of moons, including Titan, the only moon in our solar system with a thick atmosphere and lakes of liquid methane and ethane on its surface.
Uranus:
Distance from Earth: 2.7 billion km
Size: 50,724 km in diameter
Uranus is an ice giant, similar in composition to Neptune. It has a tilted axis that causes its seasons to last for decades, and it has a system of rings that are different from Saturn's in composition and structure. Uranus has 27 known moons, including Miranda, which has some of the most varied topography in the solar system.
Neptune:
Distance from Earth: 4.3 billion km
Size: 49,244 km in diameter
Neptune is the outermost planet in our solar system, and it is an ice giant like Uranus. It has a system of rings and 14 known moons, including Triton, which is one of the few objects in the solar system with a retrograde orbit. Neptune's atmosphere is also famous for its dark spot, which is a storm similar to Jupiter's Great Red Spot.
Come and experience the wonders of our solar system for yourself. With each celestial body offering unique features and opportunities for exploration, this is a journey that you won't forget.