I'm usually really good in bio but I can't get this question.. I'm so confused.. Help plsss

Q: 1. Which offspring are not the recombinant offspring in this cross?

It is mentioned in the question that we are crossing Tail-Feather Length and Feather Color with short feather length and recessive feather color organisms.

P1:                                           LlBb X llbb

Gametes:                              LB: Lb: lB: lb :      lb

Offspring:

So as we see that perntal combinations are LlBb  and llbb which means 480 + 480 organisms are just like parents while Llbb: 20  and llBb: 20  (20 +20=40) are recombinants.

Answer: It means that number of recombinants are 40.

-------------------------------------------------------------------------------------------------------------

Q2:  How far apart are L and B?

To answer this question we will use a formula:

The distance between L and B = Total number of recombinant types/  total number of offspring X 100

It means that distance between L and B=  40/1000 X 100

                                                                  = 4

Answer: It means L and B are 4 units apart because they make up 4 % of the total recombinant types. you just saw how we did it.

Hope it help! :)

To study for an EOC test, establish a study plan, utilize library resources, and communicate effectively with instructors for assignment due dates. Practice with past exams, join study groups, and maintain a balanced schedule for optimal preparation.

To study for your End-of-Course (EOC) test in May, you'll want to establish a solid study plan. First, identify the subjects and topics that will be covered on the exam. Create a study schedule that allows you to review all of the necessary material without overwhelming yourself. You may wish to visit the library to find a quiet study space and access resources. If you're unsure about formatting references or completing an assignment, make use of the library's resources or digital tools like citation generators.

Additionally, knowing when assignments are due is crucial for time management. To ensure you have the correct dates, compose a polite email to your instructor asking for clarification on the due dates of any relevant assignments or details about the EOC test. Using proper email etiquette and clear concise language is important when communicating with your instructor.

Make use of study groups if possible, as discussing material with your peers can enhance your understanding. Practice past EOC tests if they are available to gauge your knowledge level and identify areas where you may need to focus more. Lastly, maintain a healthy balance of study, rest, and recreation to keep stress levels manageable and ensure you're in the best possible condition for your EOC test.

Answer: 3 Calories of heat will be required by silver to raise the temperature to 1°C.

Explanation: Specific heat is defined as the heat required to raise the temperature by 1°C for 1 gram of substance.

Mathematically,

[tex]q=mc\Delta T[/tex]

where,

q = heat required = ? Cal

m = Mass of the substance = 50 g

c = Specific heat of the substance = [tex]0.06Cal/g^oC[/tex]

[tex]\Delta T[/tex] = Change in the temperature = 1°C

Putting values in above equation, we get:

[tex]q=50g\times 0.06Cal/g^oC\times 1^oC\\q=3Cal[/tex]

Insulin is made up the DNA sequence that codes for human insulin gene which makes up the protein insulin.

True, the corbon dioxide produce by cars, fires, and even animals and people breathing, create a greenhouse effect where the heat that the sun produces cannot escape as well as it used to, so out planet is heating up, ice caps are slowly meting, water from the caps and everywhere else is evaporating more quickly, creating worse storms, and eventualy resulting in a new ice age.

Answer:

Option (D)

Explanation:

The westerlies are the wind generated from the western side and eventually blows towards the sub-polar low areas in both the hemisphere.

The polar easterlies are defined as the cold and dry wind that blows from the high pressure polar areas towards the low pressure areas in both the hemisphere. These polar easterlies and westerlies meets at the low pressure zone forming the sub-polar low areas.

Thus, the correct answer is option (D).

Answer:polar esterlies

Explanation:

Water is a unique molecule which contains inter-molecular forces like vandar wall's forces and hydrogen bonding that results in extremely strong bonding forces among water molecules.

Cohesion and adhesion are the properties of water which refer to the fact that water molecules are not only very strongly attracted to water molecules but also to other polar molecules of any type.

This is the cohesive nature of the water which makes water a water drop and it is the adhesive nature of water due to which water takes the shape and available space in a glass or jar of water .

How these properties are a result of bonding between atoms?

Cohesive properties:

Adhesive properties:

Hope it help!

Water's cohesive and adhesive properties stem from hydrogen bonding, with cohesion causing water molecules to stick together and adhesion causing them to stick to other materials, especially observed in capillary action.

The cohesive and adhesive properties of water are due to hydrogen bonding among the water molecules. Cohesion refers to the attraction between molecules of the same substance, which in the case of water, allows it to form a dome-like shape above a glass's rim without spilling. This is because the hydrogen bonds keep the water molecules together. On the other hand, adhesion is the attraction between water molecules and other types of molecules. This is particularly noticeable with capillary action, where water climbs up thin glass tubes called capillaries due to the attraction to the charged glass walls, an effect that is stronger than the cohesive forces among the water molecules themselves.

Use dichotomous key of butterflies found in the region

* Apex

Final answer:

To identify a type of butterfly, observe physical characteristics like wing patterns and coloration, compare them to recognizable features in field guides or databases, and note their behavior and regional occurrence.

Explanation:

The best way for a student to identify a type of butterfly in a photograph is to closely observe the physical characteristics of the butterfly, such as wing patterns, coloration, and shape. While observing, they can compare these features to a field guide or online database specifically for butterflies. Since certain butterfly species may look alike due to mimicry, it's critical to note subtle differences. For instance, in the case of the monarch and viceroy butterflies, one can distinguish them by carefully examining the patterns on their wings. The monarch butterfly traditionally has larger wings and a more bold and solid color pattern compared to the viceroy, which usually displays an extra black line across its hind wings.

For a comprehensive identification, the researcher may also consider the behavior of the butterfly, such as its flight patterns and the types of flowers it visits. In addition, they can look into region-specific databases because certain species are endemic to specific areas. For butterflies that are more difficult to identify or are very similar to others, consulting with a lepidopterist or entomologist could provide expert insight.

The existence of the ridge was discovered during the expedition of HMS Challenger in 1872. A team of scientists on board, led by Charles Wyville Thomson, discovered a large rise in the middle of the Atlantic while investigating the future location for a transatlantic telegraph cable

In the following image, all of the following can be determined, EXCEPT absolute age .

So your answer is A.) absolute age

Your first answer would be A, because the absolute age cannot be determined.

Thinking that layer D is the oldest, and the rest are younger, the second answer would likely be D. layer B, being older than layer A.

Hope this helps you out.

Sorry if it's wrong-

Airflow on Earth is caused by differences in heating and the Coriolis effect, leading to deflected wind patterns and distinct weather systems. So the correct option is A.

The flow of air on Earth's surface is caused by differences in heating and the Coriolis effect, which creates distinct wind patterns. The mechanism behind this phenomenon is that large masses of air are heated unevenly on Earth, leading to air movements. These air movements are further influenced by the Earth's rotation, causing the Coriolis effect. This results in a deflection of wind patterns—rightwards in the Northern Hemisphere, causing counterclockwise rotation around low-pressure areas, and leftwards in the Southern Hemisphere, causing clockwise rotation around similar areas. This process not only helps distribute heat more evenly around the planet but also plays a crucial role in the formation of weather systems such as hurricanes and tropical cyclones.

https://brainly.com/question/14290551

#SPJ12

Ans.

Genetic codes provide information for the protein synthesis as each code specifically codes a particular amino acid that gets joined in polypeptide chain during the process of translation.

Each genetic code is three letter code, made up of three nitrogenous bases. There are four different bases in DNA or RNA that make sixty four codes with different combinations, out of which sixty one code for amino acids and three act as stop codons.

Thus, nitrogenous bases are important in preserving the genetic codes.

BINARY FISSION is the type of cell division that occurs in the prokaryotic cell cycle. ENJOY

Final answer:

Binary fission is the type of cell division that occurs in prokaryotic cells, producing two genetically identical daughter cells through a simpler and quicker process compared to eukaryotic cell division.

Explanation:

The type of cell division that occurs in the prokaryotic cell cycle is known as binary fission. This process allows a single prokaryotic cell to divide and produce two genetically identical daughter cells. Binary fission is a form of asexual reproduction used by prokaryotes, which include bacteria and archaea. Unlike eukaryotic cell division, which involves multiple steps like mitosis and cytokinesis, binary fission is a simpler and faster process due to the simpler structure of prokaryotes, which have a single circular chromosome and no nucleus.

In binary fission, the single, circular chromosome is first copied, and the cell grows in size. Subsequently, the two chromosomes separate and move to opposite poles of the cell. A new cell membrane then forms in the center of the cell, creating a division that eventually separates the original cell into two new cells, a step called cytokinesis. The result is two daughter cells, each a complete organism in unicellular organisms and genetically identical to the parent cell, which allows for rapid population growth in bacteria.

Answer:

For a question in a style like this, it's impossible to answer it without knowing the choices to the question, if you can give me the choices to the question in the replies to my answer then i can deduct an answer from that and I'll give you the answer in the replies.

Explanation:

May I have brainliest please? :)

the mitochondria aka your humans power center converts the food that you eat into molecules thus allowing your body to gain energy

Diffusion refers to the process where molecules move from an area of higher concentration to an area of lower concentration until equilibrium is reached. An example would be the spreading of perfume in a room.

In biological systems, diffusion plays a key role in the movement of molecules. During diffusion, molecules tend to move from an area of higher concentration to an area of lower concentration. This spontaneous movement continues until the concentration of the molecules becomes even in all areas, reaching a state of equilibrium.

Imagine a room filled with perfume. The perfume molecules, once sprayed, will spread from the area of higher concentration (near the spray bottle) to an area of lower concentration (the rest of the room). This is essentially how diffusion works

https://brainly.com/question/33319237

#SPJ2

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

Diffusion is the spontaneous movement of particles or molecules from an area of higher concentration to an area of lower concentration, driven by random thermal motion. It is a fundamental process in physics and biology, underpinning various natural phenomena such as the dispersion of gases, the diffusion of solutes in solutions, and the exchange of molecules in biological systems.

In diffusion, molecules move from an area of higher concentration to an area of lower concentration. This occurs due to the random motion of molecules. The process continues until equilibrium is reached, where the concentration is the same throughout the system.

https://brainly.com/question/33319237

#SPJ2

Answer:

True

Explanation:

The earth has strong magnetic field of its own and because of this reason the ferromagnetic substances can be out of the earth. The ferromagnetic substances can be defined as the substances that have tendency to form permanent magnets or are attracted towards magnet.

The substances like iron are strongly attracted towards the magnetic and some substances can be converted into magnets under the influence of the strong magnetic field of earth.

The urinary system is the main excretory system of the body after the gastrointestinal tract (large intestine) and lungs, In these questions it is necessary to prioritize the urinary tract.

The bladder belongs to the urinary excretory system.The bladder receives the urine produced by the kidneys via the ureter and has the function of storing it before its elimination during urination through the urethra. The muscles surrounding the bladder help to prevent urine reflux to the ureter.

The main purpose of the renal excretory system is to eliminate nitrogenous wastes while maintaining homeostasis, all through the formation of urine.

The kidney has a secretory function (filtration of blood in the glomeruli) and excretory from the pyelon (triangle based on the renal hilum) origin of the ureter. We speak of pyelo-ureteral junction. Each kidney contains about 1 million nephron.

Therefore, The urinary system is the main excretory system of the body after the gastrointestinal tract.

Learn more about urinary system on:

https://brainly.com/question/9139227

#SPJ2

d they grow in the swamp

Answer:

D: Cypress Tree

Explanation:

Swamps are the areas where soil is waterlogged or flooded with water. The soil is rich in silt, clay and loam. Since the soil is water logged, the plant species found in swamps develop adaptations that allow their roots to breath. Among the given options, cypress tree is found in swamps. Water logged soil is devoid of oxygen and does not allow the roots of Cypress tree to breathe. These species develop pneumatophores to withstand the water logged soil.

The correct answer for fill in the blanks is 75 degree.

According to law of reflection the angle of reflection is always equal to the angle of incidence. The angle by which the the light is incident on a smooth or rough surface is called the angle of incidence. The angle by which the ray is reflected back is called the angle of reflection.

Answer:

Hail

Explanation:

Hail is most commonly formed within the cumulonimbus clouds of thunderstorms. Large updrafts of air can throw rain droplets high up into the tops of the cloud.

Answer:

B: hail

Edge 2022

They're more uncomfortable in air, because the air feels naturally hotter than air that is dry and warm.

Hope you find this helpful

People feel more uncomfortable in warm and humid conditions because high humidity inhibits the evaporation of sweat, impairing the body's ability to cool down efficiently. In contrast, sweat evaporates more readily in warm, dry conditions which assists in body cooling, making us feel more comfortable.

The discomfort experienced in warm and very humid air compared to warm and dry air is due to the body's cooling mechanisms. On hot, humid days, the high level of moisture in the air hampers the evaporation of sweat from our skin. Evaporation is a cooling process, so when it's inhibited by humidity, our bodies do not cool as effectively, making us feel hotter than the actual temperature might suggest. Conversely, in warm, dry climates, the sweat can evaporate more easily, helping us to cool down more efficiently and therefore feel more comfortable.

However, very low humidity can also have adverse effects by excessively drying out mucous membranes and potentially increasing the risk of respiratory infections.

Somatic mutation, genetic alteration acquired by a cell that can be passed to the progeny of the mutated cell in the course of cell division. Somatic mutations differ from germ line mutations, which are inherited genetic alterations that occur in the germ cells (i.e., sperm and eggs).

Mutation can be defined as the permanent alteration in the DNA sequence that builds up the gene.Mutation can be inherited when they are acquired by the offspring from their parents.Such mutation are called germ line mutations because they occur in germ cells-sperm and egg.These mutations are present in almost all cells since it is passed on from parents to offspring.

Mitochondria! That is why it is called the powerhouse of the cell!

Because children in the movie  only take the best traits on their DNA to make children

Physical change. Boiling water does not change the fundamental properties of the water, as it can turn back into water during condensation.

Final answer:

After a skin injury, the body's first response is to form a blood clot. The next response is the scabbing of the clot which reduces the risk of infection, followed by the inflammatory response and tissue repair involving fibroblasts and angiogenesis.

Explanation:

When the body experiences a skin injury, it triggers a wound-healing response. The first reaction of the body to a cut is to restore the continuity of the skin by the formation of a blood clot. This clot helps to stop bleeding and serves as a protective barrier. The second response in the healing process is the formation of a scab over the clot as it dries, which also helps reduce the risk of infection. Following this, inflammatory cells clear the area of debris, and fibroblasts begin to lay down a new extracellular matrix to strengthen the wound.

The repair phase includes the removal of toxins and waste products and initiates the growth of new blood vessels in a process called angiogenesis. This leads to the formulation of granulation tissue, which fills the wound and helps pull the edges together. The clot will subsequently retract and dissolve as the tissue repairs itself, potentially leaving a pale scar. For deeper or more extensive wounds, the process of primary or secondary union is required, and in some cases, sutures may be necessary to facilitate healing and minimize scarring. Lastly, regeneration occurs where new cells of the same type replace the damaged ones.

A. It is present in all organisms and atmosphere.

Carbon is present in all organisms and in the atmosphere.