PLEASE HELP!!!
Mendel crossed two plants that were heterozygous for purple flower color. Which genotypes could he have used to represent the cross?
A. PP PP
B. Pp Pp
C. pp pp
D. Pp PP

Answers

Answer 1

The answer would be B. Pp'Pp.


Related Questions

Which organism's are omnivores?
A) The snake, the bear, and the fish
B) The fish and the eagle
C) The bear and the fish
D) The snake and the mouse

If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other options have fish in them. Fish basically eat other fishes right?
Or am I wrong in my thinking?

Answers

I think option C is correct because snakes r not omnivores they eat insects not plants so option D and A are wrong In option B eagle is carnivore Fish can be omnivores, but some species are carnivores or herbivores. In general, a fish's diet is determined mostly by its habitat and what food is available. Most species have a preferred diet but will eat outside of that if necessary for survival. Bear can also b omnivore

Answer:

Its C) because bears are omnivores they eat plants and animals a bear eats berrys and fishes.

Explanation:

Renald completed only one trial of his experiment. What effect will this most likely have?

The results are more likely to have errors.
The results are more likely to be precise.
The experiment will be harder to replicate.
The experiment will be easier to replicate.

Answers

The best option is A. The results are more likely to have errors.

Answer: The results are more likely to have errors.

 

Explanation:

An experimental process requires the repetition of a particular step during recording the observations. This process of repetition will allow the development of concordant readings. The similarities in the values of atleast three readings will suggest that the methodology applied is correct and results are accurate and precise. Accepting only one observation to include in the result will lead to inclusion of errors.

Renald completed only one trial of his experiment this will lead to the inclusion of the incorrect observation will likely to include errors in the results.

Which of the following releases energy?

1. Nutrients entering a cell through the cell membrane
2. Adding an additional phosphate group to an ADP molecule
3. Building sugar or starch molecules for long-term energy storage
4. Removing a phosphate group from an ATP molecule

...?

Answers

4. Removing a phosphate group from an ATP molecule. I hope this what you need for the answer and I hope it helps! Have a great day!
The best and most correct answer among the choices provided by your question is the fourth choice or number 4.

Removing a phosphate group from an ATP molecule releases energy inside a plant cell.

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If only a mother has achondroplasia, what are the chances a child will also have the condition?

Answers

There are 50 % chances If only a mother has achondroplasia ,  child will also have the condition.

Governments trying to halt overharvesting of their aquatic organisms have often created __________.

new fish markets
no-fishing zones
naval blockades
aquaculture areas

Answers

they create no fishing zones

Endoplasmic Reticulum?

Answers

Endoplasmic Recticulum:
a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis

Which of the following statements does not describe a problem with modern landfills? A. Materials buried in landfills decompose in three years. B. Chemicals leaking out of the waste stored there may pollute wells or groundwater supplies. C. Explosive gases can be produced by landfills and may build up in basements of nearby buildings. D. It takes a lot of space to contain the amount of garbage produced by households.

Answers

The statement that wrongly describes the problem with modern landfills is ;

It takes a lot of space to contain the amount of garbage produced by households. ( D )

Landfills are built mostly for the storage of industrial and household wastes, which might be harmful to the environment if not properly disposed or left to litter the environment.

when Industrial wastes are disposed in landfills there is the danger of having chemicals leak into ground water thereby leading to water contamination. which is a problem with modern day landfills.

Landfills are usually existing pits, which are controlled by waste management agencies. and therefore do require much land mass but depth to contain the amount of wastes stored in them.

Hence we can conclude that The statement that wrongly describes the problem with modern landfills is ,  It takes a lot of space to contain the amount of garbage produced by households.  

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why mitochondria called power house of cell? ...?

Answers

Mitochondria are sometimes described as "cellular power plants," because they generate most of the cell's supply of ATP, used as a source of chemical energy. The number of mitochondria in a cell varies widely by organism and tissue type. Many cells possess only a single mitochondrion, while others can contain several million mitochondria. Although most of a cell's DNA is contained in the cell nucleus, mitochondria have their own independent genomes. According to the endosymbiotic theory, mitochondria are descended from free-living prokaryotes.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

1. Which of the following is NOT a true statement about ATP?

A. ATP consists of ribose, adenine, and three phosphate groups.

B. ADP is produced when ATP releases energy.

C. ATP provides energy for the mechanical functions of cells.

D. Used ATP is discarded by the cell as waste.

Answers

The best and most correct answer among the choices provided by your question is 
The statement "Used ATP is discarded by the cell as waste." is NOT TRUE about ATP.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
D is the right answer

Which of these is a base?

ammonia

HCI

vinegar

HNO 3


Answers

The correct answer is A. Ammonia

Why is the ability to adjust conclusions when necessary important to critical thinking?

Answers

If you do not use critical thinking, you will believe anything that you read. You need to be able to determine what makes sense and what arguments are made up. It is important to be able to adjust conclusions and expectations so that you remain open-minded to ideas that are new or that differ from what you expect.
If you use stereotypical and repetitive conclusions for essays/reports/studies, etc. It can get very monotonous and similar every time over. 

If you shake up your conclusions every once in a while will keep every one on their toes. If you repeat your conclusion, for example, if I used, '...and here we stop.' At the end of every essay I wrote, those judging/reading it will become more and more critical of how I write my conclusions. 

What evidence best supports the conclusion that all cells have the same DNA?
A.
Fertilization produces one cell, and that cell divides by mitosis.
B.
Different types of cells produces different proteins.
C.
Organisms have different specialized cells.
D.
a cell’s genetic makeup

Answers

Final answer:

The evidence that all cells have the same DNA is that they all originate from a single cell created by fertilization, which then divides by mitosis. Differentiation enables these genetically identical cells to develop unique functions and structures by selectively expressing certain genes.(Option A)

Explanation:

The evidence that best supports the conclusion that all cells have the same DNA is A. Fertilization produces one cell, and that cell divides by mitosis. Mitosis is a process that ensures each new cell will have an identical set of chromosomes and, therefore, the same DNA as the parent cell. During development, all cells in a multicellular organism originate from this single fertilized egg, resulting in each cell containing the same genetic material. However, differentiation plays a crucial role in how these cells with identical DNA can develop into various types with distinct structures and functions.

Differentiation refers to the process by which cells become specialized in size, shape, metabolic activity, and function. Although each cell has the complete set of DNA, like actors reading different parts of the same script, they only 'read' or express the DNA sections relevant to their specific function. This selective expression of genes leads to the diverse cell types that form tissues such as skin, muscle, bone, and nerves.

The names of the four spheres (lithosphere, atmosphere, hydrosphere, and biosphere) came from the Greek words for
A.stone, air, water, and life.

B.Earth, wind, water, and fire.

C.Earth, air, rain, and life

D.rocks, air, sea, and life.

Answers

I strongly believe that the answer is A, I hope this helped :)
stone (litho), air (atmo), water (hydro), life (bio) ...so (A) is the answer.

A candle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax?

Answers

Answer: A low melting point.

Covalent compounds are formed by sharing of electrons between atoms of different elements. The bonds formed between these covalent compounds are generally weak therefore, they exhibit low melting point. Candle is made up of covalent compounds having low melting point which facilitates it's burning.

Answer:

(B) low melting point

Explanation:


Mendel studied pea plants for particular traits. When observing the results of his experiments, he created two laws of inheritance. How is a scientific law formed?

Answers

it is a statement based on repeated instrumental observations tht describe the aspects of the universe

on e2020:


A law is a statement of fact that is generally excepted to be true and universal because it has always been observed to be true.

Two or more sudstances that are mixed together but not chemically combined

Answers

The answer is Chemical Mixtures

In order for a human female to express a recessive sex-linked trait, she must have....
A) two recessive alleles
B) an inactive allele
C) a recessive allele on a Y chromosome
D) two recessive autosomal alleles

Answers

In order for a human female to express the recessive sex linked trait, she must have A. 2 recessive alleles each on her X chromosomes. Assuming complete dominance of alleles on sex chromosomes is followed, and observed, this is tue only particular way that females can phenotypically showcase the trait, as a presence of a dominant allele on any one of her X chromosomes would mask the gene product produced based on the recessive allele, and thus can't be observed phenotypically.

The solution is A.

compare primary consumer vs. secondary consumer

Answers

primary is animal and consumer is people
Final answer:

Primary consumers are herbivores that directly eat primary producers like plants, while secondary consumers are carnivores that feed on primary consumers. Humans can act as primary, secondary, or even tertiary consumers depending on what they eat. The energy flow in ecosystems starts with primary producers and moves up through various consumer levels, with decomposers recycling nutrients from all trophic levels.

Explanation:

In ecosystems, the organisms at the base of the food chain are often photosynthetic, such as plants or phytoplankton, and are referred to as primary producers. The primary consumers are usually herbivores that feed directly on these producers. On the other hand, secondary consumers are typically carnivores that eat the primary consumers, obtaining energy from the food chain's second trophic level.

Humans can serve as an example of how consumers can operate at different trophic levels: they are primary consumers when they eat vegetables (primary producers), secondary consumers when they eat herbivorous animals like cows, and even tertiary consumers when consuming carnivorous animals such as salmon.

Primary producers use processes like photosynthesis or chemosynthesis to convert light or chemical energy into food, and consumers obtain energy by feeding on these producers or subsequent consumers. Decomposers, which include small microorganisms, play a different role by consuming materials from all trophic levels after death, whereas tertiary consumers feed only on live secondary consumers.

Use the Law of Syllogism to draw a conclusion from the two given statements.

If you exercise regularly, then you have a healthy body.
If you have a healthy body, then you have more energy.

You have more energy.
If you do not have more energy, then you do not exercise regularly.
If you exercise regularly, then you have more energy.
You have a healthy body.


...?

Answers

The correct answer for this question would be the third option. Using the Law of Syllogism, the conclusion that can be drawn from the two given statements is that, if you exercise regularly, then you have more energy. The use of syllogism is the kind of reasoning wherein a conclusion is being drawn from two given propositions. Hope this answer helps.

Answer:

the third option is the correct answer

Deconstructive forces such as erosion helps to build up the Earth’s surface.
True or False

Answers

This is true.

Erosion might destroy the Earth's surface, but it will use the material and add it somewhere else. This means that deconstruction forces at one place are constructive forces at another place. 

Answer:true

Explanation:

ERosion is the process in which the top layer of soil get removed. It involves the loosening of soil from earth’s surface at one location and moved to another location. It causes the filling of valleys, and make rivers appear and disappear as the soil moves from one location to another in the process of erosion.

what is most likely happening to the genetic variation of the population of North East Arctic Cod? The genetic variation in the population is increasing due to selective pressure. The genetic variation in the population is decreasing due to selective pressure. The genetic variation in the population is increasing due to gene flow. The genetic variation in the population is decreasing due to gene flow.

Answers

The genetic variation in the population is decreasing due to selective pressure. 

The correct answer is genetic variation in the population is decreasing due to selective pressure.  

A phenomenon that changes the fitness and behavior of the living species within a given environment is known as selective pressure. It is the mediating force of natural selection and evolution, and it can be differentiated into two kinds of pressure, that is, abiotic or biotic.  

Which of the following is not a mechanism for biological evolution

Answers

If you're answers consist of:

a. mutation 
b. genetic drift 
c. inheritance of acquired characteristics 
d. natural selection

Then you're answer is D.) Natural Selection 

Hope this helped!! :)

What part of translation depends on the base-pairing rules?

Answers

Translation is defined as the production of  messenger RNA (mRNA) molecule. Throughout it, the sequence of nucleotides in the gene in the DNA is copied into the corresponding sequence of nucleotides in the mRNA  The part of translation that depends on the base-pairing rules is when the codon + anticodon meet together. Hope this answer helps.

what types of rocks results from the metamorphism of limestone?

Answers

I think it's marble.

The first of the two undeniable facts is that any localized population of a species has the potential to produce far more offspring than the local environment can support. this fact is important to understanding evolution because it means that __________.

Answers

It seems that you have missed the necessary options for this statement to be complete, but anyway, here is the correct answer. The first of the two undeniable facts is that any localized population of a species has the potential to produce far more offspring than the local environment can support. this fact is important to understanding evolution because it means that the population will ultimately overwhelm its environment, causing the environment to collapse. Hope this answer helps.

Which scientist’s law about the ratios of masses of elements in a compound did John Dalton’s work on the atomic structure help to explain?
Democritus
J. J. Thomson
Ernest Rutherford
Joseph Proust

Answers

the correct answwer to this question is D Joseph Proust

What term is used to describe a representation of a thing or system and can be used as a way to test hypotheses

Answers

The answer is model :)

Which is the main function of fruit?

To protect the seed and aid in its dispersal

To protect the flower and aid in pollination

To protect the seed and aid in germination

Answers

To protect the seed and aid in its dispersal.
Fruits contain fertilized seeds and are designed to aid dispersal. For example, fleshy, edible fruits cause seed dispersal when they are consumed by organisms.

Answer: To protect the seed and aid in its dispersal

Fruit is a plant organ that is a characteristic feature of all the angiosperm plants. It is produced by the pollination and fertilization of the flower. The fruits comes in variety of shape, size and color. They are the products of fertilized ovary and other floral parts. Fruits can be fleshy or dry. Main function of the fruit is to provide a space of the growth and development of seeds until maturity. In maturity the fruit disperse seeds which germinate to grow into new plants.  

explain the basic structure of a virus and how it replicates

Answers

A virus is basically a shell of DNA. It floats around until it finds a cell to latch onto. It then tricks the cell into absorbing the virus and the virus unleashes the DNA its carrying telling the cell to quit doing its job, and make more of the virus. 

Final answer:

Viruses are composed of genetic material encased in a protein capsid, sometimes with an envelope with glycoproteins for host cell attachment. Viruses replicate by invading host cells and utilizing their machinery through a series of steps, culminating in the production of new virions. The replication cycles, lytic and lysogenic, are characterized by the specific structure and genome of the virus.

Explanation:

Basic Structure of a Virus

The fundamental structure of a virus consists of genetic material, which is either DNA or RNA, enclosed within a protein shell known as a capsid. Some viruses also possess an additional lipid layer called an envelope, which often includes glycoproteins that help the virus to attach to host cells.

How Viruses Replicate

Viruses replicate by invading and hijacking a host cell's machinery. The process unfolds through several stages: attachment, where the virus binds to the cell; penetration, enabling the viral genetic material to enter; uncoating, which releases the genetic material; replication, where the host cell synthesizes new viral genomes and proteins; assembly, in which new virus particles are put together; and finally, release, where the new virions exit the host cell, often destroying it in the process. Retroviruses, like HIV, use reverse transcriptase to convert RNA into DNA to insert into the host genome.

Classification and Replication Cycles

Viruses are categorized by their replication cycles, the lytic and lysogenic cycles, which depend on their structure and genome. These cycles describe the processes of how viruses produce new particles that can then infect additional cells.

The main purpose of models is to gain a better understanding of the world. T/F

Answers

The models have their own purpose, which is to gain a better understanding of the world. Therefore the statement is true.

Hope this helps

The answer would be:

TRUE

You can learn more about models if you read on:

Models aim to gain a better understanding of an aspect or feature of the world by making it easier to visualize, define, quantify and the like by referencing it to something more commonly accepted by all. There are different types of models and each can be used depending on the aim.

If you want people to better quantify a certain aspect, then mathematical models can be used. If you want people to better visualize a certain aspect of the world, then graphical models be best. These are just some examples of models.

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