plz help :,( will give brainliest TT_TT
For which gene or genes will the recessive trait be expressed in this individual?
The Q gene
The S gene
The T gene
The U gene
thank you <3
Answers
Answer:
t
Explanation:
its recessive
Related Questions
22. a population of unicellular eukaryotic organisms is grown in a beaker. the population growth curve is shown below. which statements are correct?
Answers
The correct statements about the population growth curve need to be identified.
The population growth curve provides valuable information about the dynamics of a population of unicellular eukaryotic organisms over time. By analyzing the curve, we can make several correct statements:
1. The initial phase of the curve shows a lag phase where the population is adapting to the new environment and undergoing slow growth. During this phase, cells may be acclimating to the conditions, repairing damage, or preparing for rapid growth.
2. Following the lag phase, there is an exponential or logarithmic growth phase. In this phase, the population size increases rapidly as cells divide and reproduce at their maximum rate under favorable conditions.
3. As the population approaches its carrying capacity or the maximum sustainable population size, the growth rate slows down, leading to a plateau phase called the stationary phase. During this phase, the population size remains relatively constant due to factors such as limited resources or the accumulation of waste products.
4. The decline or death phase occurs when the population exceeds the carrying capacity or faces unfavorable conditions. In this phase, the death rate exceeds the birth rate, resulting in a decline in population size.
The interpretation of the population growth curve depends on the specific shape and characteristics of the curve observed. By analyzing different phases of the growth curve, we can gain insights into the population dynamics, reproductive potential, and environmental factors influencing the population's growth.
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What happens during interphase?
The nucleus grows to its full size.
The cell grows to its full size.
The nucleus divides into two nuclei.
The cell divides into two cells.
Answers
Answer:
B.
the cell grows to its full size.
Reproductive cells in humans are also called
Answers
Answer:
They could be called Gametes as they are inside the reproductive cells.
Answer: gametes
Explanation: :)
T/F among primates, the sense of smell has increased and the visual sense has diminished in significance.
Answers
In primates, the importance of the visual sense has decreased while the sense of smell has grown. This statement is false.
Primates, including humans, are characterized by a greater reliance on vision compared to other mammals. This shift towards visual reliance can be observed in various primate species.
One notable example is the evolution of trichromatic color vision in many primates, including humans. This adaptation allows primates to discriminate between different colors, which is particularly useful in identifying ripe fruits and detecting subtle changes in the environment.
On the other hand, while primates still possess olfactory capabilities, their sense of smell is generally not as acute as in many other mammals. This can be attributed to a reduction in the size of the olfactory region of the brain and a corresponding decrease in the number of olfactory receptor genes.
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Determine the correct sequence of events during the creation of recombinant DNA.I. Plasmid is cut open with enzymesII. Target gene is cut out with enzymesIII. Plasmid is inserted into the bacteriumIV. Target gene is bonded to the plasmid with LigaseA. IV, III, I, IIB. I, II, III, IVC. IV, I, II, IIID. II, I, IV, III
Answers
The correct answer is D. II, I, IV, III. After ligating target gene within the plasmid, it must be inserted into a bacterium.
Mitosis occurs in cells.
Answers
Answer:
Yes.
Explanation:
Mitosis occurs in somatic cells; this means that it takes place in all types of cells that are not involved in the production of gametes.
Please help with this!!!
Answers
Answer:
B
Explanation:
Answer:
Not quit sure but i think its B
Some operons have both a positive and negative control mechanism built into the DNA sequence of the operon. That means both an activator protein and a repressor protein are present simultaneously. Consider a system that has both positive and repressible negative controls. a. Describe the four combinations of active or inactive regulatory proteins that could be present at any time in the cell. b. Draw diagrams similar to those in Models 1–3 to show each of the combinations in part a. (Divide the work among group members so that each member is drawing one diagram.) c. Label each of the combinations in part b as "operon on" or "operon off." d. Describe in complete sentences the cellular environment(s) that would turn the operon "on."
Answers
Four possible combinations are: (1) active activator and inactive repressor, (2) inactive activator and active repressor, (3) active activator and active repressor, and (4) inactive activator and inactive repressor. The operon would be turned "on" in a cellular environment where the activator is active and the repressor is inactive.
a. The four combinations of active or inactive regulatory proteins that could be present at any time in the cell are:
Activator protein is active, and repressor protein is inactive.Activator protein is inactive, and repressor protein is active.Both activator and repressor proteins are active.Both activator and repressor proteins are inactive.b. Diagrams for each combination are as follows:
Activator protein is active, and repressor protein is inactive.
+-----+
| ACT |
+-----+
|
v
+-----+
| REP |
+-----+
|
v
Operon ON
2. Activator protein is inactive, and repressor protein is active.
+-----+
| REP |
+-----+
|
v
+-----+
| ACT |
+-----+
|
v
Operon OFF
3. Both activator and repressor proteins are active.
+-----+
| ACT |
+-----+
|
v
+-------+
| REP |
+-------+
|
v
Operon OFF
4. Both activator and repressor proteins are inactive.
+-----+
| ACT |
+-----+
|
v
+-------+
| REP |
+-------+
|
v
Operon ON
c. The combinations labeled as "operon on" are combinations 1 and 4. The combinations labeled as "operon off" are combinations 2 and 3.
d. The operon can be turned "on" in a cellular environment where the activator protein is active and the repressor protein is inactive. This could happen in response to a specific signal or condition, such as the presence of a particular molecule or nutrient. The operon can be turned "off" in a cellular environment where the repressor protein is active, either alone or in combination with an inactive activator protein. This could happen in response to a lack of a specific signal or condition, such as a nutrient or growth factor.
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One impact of climate change has been the loss of ice sheets in Antarctica and Greenland, resulting in a rise in global sea levels. Which of these describes a potential way this could directly influence human activity?
Answers
Answer:
Impact of Climate Change (Global Warming) - glacier melting & global see level rise : influence on human activity
Explanation:
Extreme Flooding - High sea levels imply more inflow into other water bodies like rivers, lakes etc Biodiversity Loss - Many organisms can continue their existence only on extremely cold glaciers - eg (blue bear)Further accelerated global warming - Glaciers have important role in absorbing earth heat, maintaining its coolness. Their melting leads to further global warming. Scarcity of freshwater - Glaciers & snow (salty) water cant be consumed. Increase in this water has reduced proportionality of freshwater that can be consumedIn some animals, black fur (B) is dominant over white fur (b). What color fur
would an animal have if its genotype is Bb?
Please help!
Answers
Glycolysis, formation of acetyl CoA, Krebs cycle and the electron transport chain are all involved in:
Answers
Answer:
breaking down of glucose
Explanation:
Glycolysis, formation of acetyl CoA, Krebs cycle and the electron transport chain are all involved in the breaking down of glucose, also known as respiration, in living organisms.
During glycolysis, glucose is transformed into 2 molecules of pyruvate with ATP and NADH being generated in the process.
The pyruvate molecules are each oxidized to acetyl CoA, a process that leads to the release of carbon dioxide and the formation of NADH.
The acetyl CoAs then undergo a series of reactions, combining with a 4-carbon molecule and generating ATP, FADH2, NADH, and releasing carbon dioxide. The 4-C molecule is also regenerated during the process. This is known as the Krebs cycle.
All the FADH2 and NADH made from the earlier steps then enter the electron transport chain where they donate their electrons to become FAD and NAD respectively. ATP is generated and water is formed through the reduction of oxygen.
which of these descriptions best matches the term myenteric plexus
Answers
The myenteric plexus is a network of nerve fibers and ganglia located between the muscle layers of the gastrointestinal tract. It regulates gastrointestinal motility and coordinates peristalsis, the movement of food through the digestive system.
The myenteric plexus, also known as Auerbach's plexus, is a network of nerve fibers and ganglia located between the circular and longitudinal muscle layers of the muscularis externa in the gastrointestinal tract. It is part of the enteric nervous system, which controls the functions of the digestive system.
The myenteric plexus plays a crucial role in regulating gastrointestinal motility, including the contraction and relaxation of the smooth muscles in the digestive tract. It coordinates peristalsis, the wave-like movement that propels food through the digestive system.
Dysfunction of the myenteric plexus can lead to gastrointestinal disorders such as irritable bowel syndrome and intestinal pseudo-obstruction.
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The myenteric plexus is a term used to describe a specific part of the enteric nervous system, which is the network of nerves found in the walls of the gastrointestinal tract. It is also known as the Auerbach's plexus.
The myenteric plexus is primarily responsible for controlling the motility of the gastrointestinal tract. It is located between the longitudinal and circular muscle layers of the muscularis externa, which is the muscle layer responsible for the movement of food along the digestive system.
The myenteric plexus consists of a complex network of nerve fibers, ganglia (clusters of nerve cell bodies), and interconnecting neurons. It receives information from sensory neurons located in the gut, processes that information, and then sends signals to regulate the contractions of the smooth muscles in the gastrointestinal tract. These contractions are essential for moving food through the digestive system during processes like peristalsis.
In summary, the myenteric plexus is a crucial component of the enteric nervous system, located between the muscle layers of the gastrointestinal tract. Its main function is to regulate and coordinate the movements of the digestive system, ensuring the proper propulsion and mixing of food along the digestive tract.
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Meiosis is a process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell. Meiosis usually involves two distinct divisions called meiosis i and meiosis ii. By the end of meiosis, a single diploid cell has produced four haploid cells. After interphase i, the cell begins to divide, and the chromosomes pair up. In prophase i of meiosis, each replicated chromosome pairs with its corresponding homologous chromosome. This pairing forms a structure called a tetrad, which contains four chromatids. As the chromosomes pair, they sometimes undergo a process called crossing-over. Sc. 912. L. 16. 14 which is a true statement of crossing-over?.
Answers
As the chromosomes pair, they sometimes undergo a process called crossing-over. It is true that B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged.
When chromosomes of the same type align during meiosis, a process known as crossing over occurs in cells. Parts of a chromosome can be switched when two chromosomes, one from the mother and one from the father, align. The genes on the two chromosomes are the same, but they may be in different forms.
A process known as genetic recombination occurs when a maternal and homologous paternal chromatid breaks the DNA double helix during chromosomal crossing-over to exchange fragments between the two non-sister chromatids in a reciprocal manner.
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(complete question)
Meiosis is a process in which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell. Meiosis usually involves two distinct divisions called meiosis I and meiosis II. By the end of meiosis, a single diploid cell has produced four haploid cells.
After interphase I, the cell begins to divide, and the chromosomes pair up. In prophase 1 of meiosis, each replicated chromosome pairs with its corresponding homologous chromosome. This pairing forms a structure called a tetrad, which contains four chromatids. As the chromosomes pair, they sometimes undergo a process called crossing-over.
Which is a true statement of crossing-over?
A. Homologous chromosomes move to opposite ends of dividing cells
B. During crossing-over, bits and pieces of the homologous chromosomes are exchanged
C. The DNA of the diploid cell is copied
D. Crossing over decreases genetic diversity
c Fertilisation follows pollination. What
happens in fertilisation?
in plants
Answers
Explanation:
Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. After fertilization occurs, each ovule develops into a seed. Each seed contains a tiny, undeveloped plant called an embryo. The ovary surrounding the ovules develops into a fruit that contains one or more seeds.
What model aims to understand how foragers gather food with the least expenditure of time, calories, and other factors
Answers
The model that aims to understand how foragers gather food with the least expenditure of time, calories, and other factors is called Optimal Foraging Theory.
Optimal Foraging Theory is a framework used to study the foraging behavior of animals and how they make decisions about where and how to search for food. The theory suggests that animals will try to maximize their energy intake while minimizing the energy expenditure required to obtain food.
In order to achieve this, foragers will make decisions based on factors such as the abundance and distribution of food resources, the energy content of different food items, and the costs associated with searching and handling food. By using this information, foragers can determine the most efficient strategies for obtaining food.
Overall, Optimal Foraging Theory helps to explain how animals adapt their foraging behavior to optimize their energy gain, taking into account various ecological and environmental factors.
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The
old microscopes do not allow a visibility of the cells because they
had the limitation of:
a. magnification
b. refraction
c. resolution
d. number of nuclei
e. both A and C
Answers
The old microscopes do not allow a visibility of the cells because they had the limitation of both magnification and resolution. Therefore, the correct answer is option e. both A and C.
Magnification refers to the ability of a microscope to enlarge an image, while resolution refers to the ability of a microscope to distinguish between two separate points. Both of these factors are important in being able to see cells clearly. Older microscopes had lower magnification and resolution capabilities, making it more difficult to see cells.
it is crucial to highlight that the fundamental limiting factor for sight of cells in previous microscopes was resolution, not merely magnification. The resolution of traditional microscopes is restricted by the wavelength of visible light, which makes it impossible to examine features smaller than the limit of the wavelength. Consequently, even with high magnification, the features within cells could not be resolved with previous microscopes due to their poor resolution. In contrast, contemporary microscopes, such as electron microscopes, have far better magnification and resolution capabilities, which allow for much clearer and detailed views of cells.
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based on the name lateral epicondylitis and the action described above, which muscle would muscle would most likely have microscopic tears in the tendon?
Answers
The ECRB muscle would most likely have microscopic tears in the tendon.
The humerus, a bone in the upper arm, and one of the bones in the lower arm make up the elbow joint (ulna). The epicondyles are the bony bumps or prominences at the base of the humerus. The lateral epicondyle is the lump on the outside of the elbow.
Extensor Carpi Radialis Brevis is the muscle that is most likely to have microscopic tears in its tendon (ECRB). Tennis elbow is also known as lateral epicondylitis, which refers to swelling at the lateral epicondyle. The condition known as "tennis elbow" is lateral epicondylitis. Typical Injury Mechanisms The big muscle group on the outside of the elbow and forearm is typically subjected to repeated tension as the injury mechanism.
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Which of these types of fertilizers is the best for maintaining the long-term health of farm soil? (select all that apply) organic matter compost chemical fertilizers water, i have no idea what subject this is in so i put biology.
Answers
Answer:
water, compost , and chemical fertilizer
Water, compost , and chemical fertilizers is the best for maintaining the long-term health of farm soil.
What do you mean by chemical fertilizers?Chemical fertilizers, such as urea, diammonium phosphate (DAP), and single superphosphate (SSP), are used to maintain the shortage of nitrogen, phosphorus, and potassium in the soil.
Most fertilizers that are commonly used in agriculture contain the three basic plant nutrients: nitrogen, phosphorus, and potassium. Some fertilizers also contain certain "micronutrients," such as zinc and other metals, that are necessary for plant growth.
Chemical fertilizers will nourish your plant, but the minerals will not linger in your soil. By creating rich, nutrient-dense soil with organic materials, your lawn will have a better chance of thriving on its own tapping into stored minerals when needed.
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the foreign clast is a volcanic bomb. these semi-molten masses are ejected during volcanic eruptions, fly through the air, and are deposited in the surrounding area or are destroyed upon impact with the ground. given the nature of the layers in the outcrop of the gigapan image, determine when this volcanic bomb (the atypical clast) was deposited relative to the outcrop layers. select the two that apply. view available hint(s)for part g the foreign clast is a volcanic bomb. these semi-molten masses are ejected during volcanic eruptions, fly through the air, and are deposited in the surrounding area or are destroyed upon impact with the ground. given the nature of the layers in the outcrop of the gigapan image, determine when this volcanic bomb (the atypical clast) was deposited relative to the outcrop layers. select the two that apply. this is the only volcanic bomb that landed in this outcropping of sediments. the bomb landed in layers of deposited ash after they were consolidated (became solid and well-cemented together). some sediment layers were deformed ductilely by deposition of the volcanic bomb. the layers to the left and right of the clast were deposited before the clast. the uppermost layers were in their present location when the clast was deposited.
Answers
Based on the information provided, the volcanic bomb was deposited:
After the layers to the left and right of the clast were deposited (i.e., it is younger than these layers).
Before the uppermost layers were in their present location (i.e., it is older than these layers).
What are volcanic eruptions?Volcanic eruptions are natural phenomena in which molten rock, ash, and gas escape from a volcanic vent or opening on the Earth's surface. They are typically caused by the buildup of pressure within a magma chamber below the Earth's surface, which can be triggered by a variety of factors, including tectonic activity, changes in the composition of the magma, or the release of gases from the magma. When the pressure becomes too great, the magma is forced up through the vent, resulting in an eruption.
Volcanic eruptions can take many forms, ranging from relatively gentle and slow-moving effusive eruptions, which release lava and gas over an extended period of time, to explosive eruptions, which can eject large quantities of ash, rock, and gas into the atmosphere in a matter of minutes or hours. The nature of an eruption depends on factors such as the type of magma involved, the size and shape of the volcanic vent, and the surrounding topography.
In the given question, the volcanic bomb was likely deposited after the surrounding layers were already consolidated and in place, but before the uppermost layers were deposited or moved to their current location. The fact that some sediment layers were deformed ductility by the deposition of the volcanic bomb suggests that it was still semi-molten or at least very hot when it landed.
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which substance is a nuclei acid
Answers
Answer:
Nucleic acids are polynucleotides
Explanation:
Hope this helps
Answer:
Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)
Explanation:
Nucleic acid are made from monomers known as nucleotides. Each nucleotide has three components: a 5-carbon sugar, a phosphate group, and a nitrogenous base. If the sugar is deoxyribose, the polymer is DNA
Explain why chloroplasts are found only in plant cells?
Answers
Answer:
Explanation:
Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.
Answer:
chloroplast are only found in plant cell because
it contain chlorophyll which is useful in making good for plants by trapping sunlight from
sun .
But animal don't need to make food so. they don't contain chloroplast in their cell
hope it helps
Pea plant cross: PpYy x PpYy
How many possible allele combinations can each parent produce?
What are they?
Answers
Which of the following best defines gene flow?
A. the sum of all genetic traits in a population's individuals at a given time
B: any movement of genes from one population to another
C: any movement of organisms from one environment to another
D: the random change in the frequency of an allele in a population
Answers
Answer:
The answer is B
Any movement of genes from one population to another
Explanation:
in reference to carbon (IV) oxide, explain the concept of limiting factors in relation to photosynthesis
Answers
Answer:
As carbon dioxide concentrations increase, so too does the rate of photosynthesis until a certain point where the graph levels off. At lower carbon dioxide concentrations carbon dioxide is the limiting factor because an increase in carbon dioxide causes an increase in photosynthesis
Explanation:
brain leist bhe:)
Use the graph and the information provided to answer the questions.
Birds sing for a variety of reasons. Male birds sing to attract females. Both male and female birds sing
when making nests, in preparation for the female laying eggs and for young birds to recognize their
parents. In a particular species of bird, the females have evolved to be non-singing. This trait ensures that the nest is not detected by predators. The graph shows the inheritance of this trait through several generations.
1. What would be the percentage of the non-singing trait in female birds in Generation 4 and 5 if this pattern continues?
2. In which generation will there be almost 100% non-singing females if there are no changes in the birds’ environment and actions?
3. In what possible scenario would the female birds evolve to having the singing trait?
Answers
Answer:
The percentage of the non-singing trait in female birds in Generations 4 and 5 if this pattern continues will be 80 and 94
Please help me its for biology and yeah : )
Answers
Answer:
the stem
Explanation:
pressure is the driving force for the movement of air into and out of the lungs. describe the structure of the thoracic cavity and how that structure is involved in creating the pressures that are important for the movement of air into the lungs.
Answers
The structure of the thoracic cavity, including the diaphragm and intercostal muscles, allows for the creation of the pressure changes necessary for the movement of air into and out of the lungs. These pressure changes are driven by the movement of muscles and the resulting changes in volume within the thoracic cavity.
The thoracic cavity is the region of the body that encompasses the chest and is enclosed by the rib cage. Within this cavity are the lungs, heart, and other vital organs. The structure of the thoracic cavity plays a crucial role in creating the pressure changes necessary for the movement of air into and out of the lungs.
The thoracic cavity is divided into two pleural cavities, which each contain a lung. The pleural cavities are separated by the mediastinum, which houses the heart and other structures. The diaphragm, a large, dome-shaped muscle located at the bottom of the thoracic cavity, separates the chest from the abdomen.
When we inhale, the diaphragm contracts and moves downward, increasing the volume of the thoracic cavity. This decrease in pressure within the thoracic cavity creates a pressure gradient that causes air to rush into the lungs. During exhalation, the diaphragm relaxes and moves upward, decreasing the volume of the thoracic cavity. This increase in pressure within the thoracic cavity causes air to be pushed out of the lungs.
In addition to the diaphragm, the intercostal muscles between the ribs also play a role in creating the necessary pressure changes. During inhalation, the intercostal muscles contract, pulling the ribcage upward and outward, which further increases the volume of the thoracic cavity.
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Which sequence represents the levels of biological organization from smallest to largest?
Answers
The sequence that represents the levels of biological organization from smallest to largest is: Organelle → cell → tissue → organ → organ system → organism
LEVEL OF ORGANIZATION:
Biological organism i.e. living organisms are complex in nature. However, they are made up of simpler structures that accumulate to form their complexity.Cell is the basic unit of life, however, certain structures in the cell called organelles are responsible for specific functions that are key to the functioning of the cell.Cells that possess similar functions are called TISSUES.Tissues are organized into ORGANS. Organs that perform the same function are grouped together as ORGAN SYSTEM.Organ systems collectively make up an ORGANISM.Therefore, the sequence that represents the levels of biological organization from smallest to largest is: Organelle → cell → tissue → organ → organ system → organism.Learn more at :biological organization
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Full Question :Which sequence represents the levels of biological organization from smallest to largest?
A. Organism → cell → tissue → organelle → organ system → organ
B. Organ system → organ → organism → cell → tissue → organelle
C. Organelle → organ system → cell → organism → tissue → organ
D. Organelle → cell → tissue → organ → organ system → organism
PLZ HELP ME, IM BAD AT THESE
JSJSJSJSH
Answers
Answer:
3 TAA CCC TGC 5
Explanation:
To find the complimentary DNA strand given the following DNA strand
5 ATT GGG ACG 3
We simply change the nitrogenous bases to it's base pair.
The base pairings are
Adenine (A) and Thymine (T) and
Cytosine (C) and Guanine (G)
So The A's will change to T's
The T's to A's
The C's to G's
And the G's to C's
We would end up with TAA CCC TGC
The numbers at the end of the strand swap places so the complementary DNA strand would be
3 TAA CCC TGC 5
In a fasting urine sample,which of the following is considered an abnormal finding in the urine? Muttlple Choice Water Glucose Uree Soclum
Answers
Finding glucose in the urine is abnormal. Elevated levels of glucose in the urine, are known as glucosuria. Therefore, option B is correct.
Glucosuria refers to the presence of glucose in the urine. In normal conditions, glucose is reabsorbed by the kidneys and should not be present in significant amounts in the urine.
In cases of high blood glucose levels, such as in diabetes mellitus or other conditions affecting glucose regulation, the kidneys may not be able to reabsorb all the glucose, leading to its excretion in the urine. It can be an important diagnostic clue for diabetes mellitus.
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