Carlos and Veronica lead very similar lifestyles. They both run every day and eat healthily, but they both have smoked since they were 16. Carlos was diagnosed with lung cancer when he was 48, but Veronica never got cancer.
Which most likely explains why Carlos got cancer but Veronica did not?

O Veronica leads a healthier lifestyle than Carlos

O Carlos has a gene for cancer that was triggered

O Veronica has a gene for cancer that Carlos does not

O Carlos leads a healthier lifestyle than Veronica

Answer:

Paleontology.

Explanation:

Paleontology is the study of extinct life forms through the analysis of fossils.

Hope this helps!

mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.

Ribonucleic acids, RNAs, are essential components of all living cells. They take part in the protein synthesis. RNAs present in a cell are of three different types; mRNA (messenger RNA), rRNA (ribosomal RNA) and tRNA (transfer RNA). They have been named according to the different functions they perform.

mRNA– they provide a template for gene coding during synthesis of proteins. Site of synthesis is the nucleus in mRNAs. They also carry codons for the process of translation.

Therefore, the correct answer is C. mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.

Learn more about mRNA and tRNA here:

brainly.com/question/2718613

#SPJ1

Answer:

☆☆☆☆☆

Answer:

The stages of replication are Attachment, Penetration and Replication. The following information should be considered:

Explanation:

A bacteriophage means the virus that attacks bacterial cells. The lytic and lysogenic cycles comrpise of two methods of viral replication. In the lytic cycle, the virions generated are released from the host cell while on the other hand in the lysogenic cycle, viral nucleic material are existed into host nucleic material and also they are copied to daughter cells at the time when the host cell reproduces. The common steps in both cycles are given below:Attachment – in this step, the bacteriophage attaches itself to the host surface cell to insert its DNA into the host cell. Penetration – the virus inserts its DNA into the host cell via penetrating the cell membrane of the host cell.Replication – the viral nucleic material is replicated using the host cell's replication mechanism.

hope this helps!!

Answer:

It would be the plant type

Explanation:

This is because you are measuring the growth of 2 different plants, so they can not be the same. all the other options ARE constants

Plant type is the constant for this scientific experiment. Thus option A is correct.

In a scientific experiment, Variables are defined as the factors that can be modified and measured, It can be dependent, independent, and controlled.

The variable which we can control independent variable.

In case of cause and effect, cause is the independent variable like plant growth in different types of soil, independent variable is the soil.

The dependent variable are the effect and dependent on other variables.

Here the dependent variable is the growth of the plant as it It will change by the change the independent variable.

Control always remain constant which ensure the results remain accurate. In the absence of control, the result of experiment cannot be accurate.

Learn more about scientific experiment, here:

https://brainly.com/question/17314369

#SPJ2

Based on the information provided, the means of isolation between the two species of wild lettuce (Lactuca) in the southeastern United States is likely "temporal prezygotic."

This is because the two species bloom at different seasons, which prevents or reduces the chances of cross-pollination and successful mating between them. Temporal prezygotic isolation refers to reproductive barriers that occur before fertilization and are related to differences in the timing of reproductive events, such as flowering seasons or mating behaviors.

learn more about temporal prezygotic here:

https://brainly.com/question/14135663

#SPJ11

Answer:

2nd

Explanation:

all organisms have a common ancestor

In the biopharma case, only the last six years were taken into account while analyzing the question for the reason that during that period, there was a significant change in the company's operation and production processes. The year 2008 was taken as the reference year because it marked the beginning of a period where the company had started to diversify and enter new markets.

The company had begun to pursue collaborations and acquisitions to enhance its product range and expand its reach globally.The company had to shift its business strategy in the wake of growing competition from generics and the increasing complexity of drug development.

During this period, the company also focused on innovation and patenting new products to protect its market position and maintain growth in the long run.As a result, the analysis of the company's operations before 2008 would have been less relevant as it would not have reflected the changes in the company's strategy that took place over the last six years. Moreover, using the year 2008 as a reference year would help to evaluate the company's progress and performance over time and measure its growth rate.

To know more about biopharma case visit:

https://brainly.com/question/32946539

#SPJ11

Answer:

magnification : objective lens × eyepiece lens

60x × 20× = 1200×

Explanation:

Proteins are probably the most important material in the body Genes vary in size, depending on the size of the proteins they encode

In vertebrates, stability is accomplished through the actions of endocrine glands.

Endocrine glands play a crucial role in maintaining stability, also known as homeostasis, in vertebrates.

They secrete hormones directly into the bloodstream, which then travel to target cells or organs to regulate various physiological processes such as growth, metabolism, reproduction, and stress response.

This hormonal regulation helps maintain a stable internal environment within the organism.

The endocrine system, consisting of endocrine glands, is responsible for achieving stability and homeostasis in vertebrates by regulating various physiological processes through the secretion of hormones.

For more information on endocrine glands kindly visit to

https://brainly.com/question/11222803

#SPJ11

Answer:

Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. Any mold fossil can potentially form a cast mold.

Explanation:

Answer:

Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. ... Any mold fossil can potentially form a cast mold

Explanation:

pls make me brainliest

Answer:

C

Explanation:

Answer:

it would be bacteria.

Explanation:

Answer:

Emptying an aquarium containing non-native species into a local waterway will most likely to cause the greatest disruption to an ecosystem. A non-native species can be invasive and may disturb the already living native species in the waterway.

Explanation:

Answer:

Emptying an aquarium containing non-native species into a local waterway

Explanation:

Answer:

So it would be B since the areas have inadequate amounts of soil.

Explanation:

The habitats of carnivorous plants are varied but usually involve wet, low-nutrient sites including bogs, swamps, waterbodies, watercourses, forests and sandy or rocky sites.

Spermatogenesis is the process by which male gametes, known as sperm, are produced. The production of testosterone in males is regulated by the Luteinizing Hormone (LH) that stimulates Leydig cells in the testes to produce testosterone. In this case, a 35-year-old male has an inactivating mutation in his LH receptor that is expressed on his Leydig cells. Therefore, option B (decreased) is the correct answer.

We will predict the effect of this mutation on spermatogenesis based on this information. When LH binds to the Leydig cell LH receptor, it initiates a signaling pathway that leads to the production of testosterone. Testosterone plays an essential role in spermatogenesis, including the maturation of spermatocytes to spermatids. An inactivating mutation in the LH receptor will prevent the normal signaling that is required to initiate testosterone production from Leydig cells. Therefore, the production of testosterone will be decreased. This leads to hypogonadism, which is characterized by decreased testosterone levels. Hypogonadism affects spermatogenesis, and a reduction in the number and motility of sperm will be observed. In conclusion, the inactivating mutation in the LH receptor expressed on Leydig cells will decrease the production of testosterone, and this will negatively affect spermatogenesis. Therefore, option B (decreased) is the correct answer.

To know more about mutation visit:

https://brainly.com/question/18909373

#SP11

Chitin is indeed a polysaccharide found in the carapace of insects and crustaceans as well as in the cell walls of fungi. One of the main elements of the cell walls of plants is cellulose.

They might be straight or have many branches, among other shapes. Examples include storage carbohydrates like starches, glycogen, & galactogen, as well as construction polysaccharide like cellulose & chitin. Given that they are retained in the muscle and liver to be later transformed into energy for bodily processes, polysaccharides like glycogen and starches are referred to as storage polysaccharides.

Examples of polysaccharides include glucagon, cellulose, and wheat. In the food sector, polysaccharide are employed as binders and dietary fiber. Bacteria can also create polysaccharides, such as when creating yogurt.

To know more about polysaccharide visit:

https://brainly.com/question/10415755

#SPJ4

Hi there!

\(\large\boxed{\text{A) Kinetic Energy}}\)

When an object begins at rest but a force acts upon it to cause it to be in motion, energy transfer occurs.

In this instance, the ball was initially at rest, so it had potential energy. Once the ball begins is in motion, however, the potential energy is converted into Kinetic Energy.

Answer:

a primary oocyte contains 46 chromosomes, while a secundary oocyte contains 23 chromosomes

Answer:

Hello.

Tropism is specific to the direction of the stimulus. Plants can either display a negative or positive movement in response to a stimulus. It is positive tropism when the movement is towards the direction of stimuli while it is negative tropism when the movement is away from the stimuli.

Tropism is a response to certain stimuli. A positive tropism is moving towards the stimuli, while a negative tropism is moving away from a stimuli.

Positive Phototropism - Growing towards light

Negative Phototropism - Growing away from light

Positive Thigmotropism- Moving towards touch

Negative Thigmotropism- Moving away from touch

Positive Hydrotropism - Growing towards water

Negative Hydrotropism - Growing away from water

Positive Gravitropism - Growing towards ground

Negative Gravitropism - Growing upwards

During T cell maturation, the t cells must pass two tests. first, immature t cells that can recognize MHC molecules are Selection. Second, immature t cells that recognize and bind to molecules normally found in the body are Activation.

Selection is the first test that T cells must pass. During this process, immature T cells that can recognize MHC molecules are selected. MHC molecules are found on the surface of cells and are involved in antigen presentation. When T cells come into contact with MHC molecules, they are able to recognize the molecules and begin the process of selection. During selection, the T cells that recognize MHC molecules are chosen over those that do not. This helps ensure that the cells that are selected are those that can properly respond to antigens.

The second test that T cells must pass is activation. During activation, T cells that recognize and bind to molecules normally found in the body are selected. These molecules are called self-antigens and can include proteins, carbohydrates, and lipids. When T cells come into contact with self-antigens, they are able to recognize the molecules and begin the process of activation. During activation, the T cells that recognize self-antigens are chosen over those that do not. This helps ensure that the cells that are selected are those that will not attack the body’s own cells.

Learn more about self-antigens at : https://brainly.com/question/24468411

#SPJ4

A change in the shape of an active site denatures an enzyme by altering the chemical bonds within an enzyme, which decreases the rate of reaction.

An increase in temperature will commonly increase the rate at which an enzyme functions. This will cause the rate of chemical reaction to increase as well. However, for this to occur, the temperature must remain within the optimal range. Anything that exceeds this range will cause the chemical bonds within the enzyme to break and the enzyme to loose it's shape.

When an enzyme is placed in an environment whose temperature exceeds it's optimum range and the enzyme is denaturalized, the active site may lose its shape. When this happens the substrate will not be able to fuse to the enzyme and the chemical reaction which depends on this enzyme will decrease its rate.

To learn more:

https://brainly.com/question/4229661?referrer=searchResults

Answer:

The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.

Blast, which stands for Basic Local Alignment Search Tool, is a computational tool used by genome biologists to compare a given DNA or protein sequence to all other DNA or protein sequences in a database. This corresponds to the first option provided.

Blast is widely used in bioinformatics and genomics research to identify homologous sequences, which are sequences that share a common ancestry.

By comparing a query sequence to a large database of known sequences, Blast can identify similar or related sequences and provide information about their potential function, evolutionary relationships, and structural features.

The tool is utilized in various applications within genome biology. It is commonly used to identify homologues in model organisms for genes involved in human disease.

By finding similar genes in other species, researchers can gain insights into the function and mechanisms of these genes in different organisms, aiding in the understanding of human biology and disease.

Blast is also employed to study how genomes evolve by comparing sequences from different species or populations.

It can be used to analyze genetic variation within a species or a population, identifying differences in DNA or protein sequences that may be linked to specific traits or disease susceptibility.

Mapping all the human genes and determining the nucleotide sequence of the entire human genome, as mentioned in the last option, is not the specific purpose of Blast.

However, Blast can be utilized as a tool within the larger process of genome mapping and sequencing to compare and analyze specific gene sequences.

In summary, Blast is a computational tool used by genome biologists to compare DNA or protein sequences to a database, enabling the identification of homologous sequences, the study of evolutionary relationships, the analysis of genetic variation, and the exploration of gene function in different organisms.

So, the first option is correct.

Learn more about blast:

https://brainly.com/question/32136363

#SPJ11

Answer:

The answer of this question is the opening and closing of the heart valves of the heart valves. I believe that the answer is C, or "valves opening and closing while returning blood to the heart"

Answer:

Diffusion in gases and liquids and Osmosis mainly in liquids through a semi permeable membrane

Answer:

Passive transport

Explanation:

This is transport that occurs without the use of energy.

Answer:

B) A worm that lives inside a bear.

Explanation:

A parasite is a living organism that lives inside or outside of another organism called a HOST in order to obtain nourishment from such organism. A parasite that lives inside its host is called ENDOPARASITE while a parasite that lives outside its host is called ECTOPARASITE.

In this question, a worm that lives inside a bear is a PARASITE because it is living inside the bear, which is the host in order to obtain nourishments. Note that, the answer is not option D because the bear is a HOST not a parasite.

Answer:

Some examples of pollution include: