Mutations in the gene BRCA1 are associated with an increased
risk for breast cancer in women. Jessica’s mother is
heterozygous for a BRCA1 mutation. Her dad has two
normal copies of the gene. Wha

Answer:

C. Waxing Gibbious

Explanation:

On Edge 2021

In levels of organization in organisms from least to most complex the level which is just below organs in complexicity is Tissue and is denoted as option D.

This is referred to as the hierarchy of complex biological structures and the cell which is the simplest unit of life is the least complex in the level of organisation of organisms.

The most complex is referred to as the organ system which comprises of the aggregation of organs present in the body. The level which is below organs in complexicity is the Tissue which is formed from the aggregation of cells in the body which have similar structures and functions so as to achieve a common goal.

This is therefore the reason why option D was chosen as the most appropriate choice.

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The full question is:

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? cell organism organ system tissue

The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.

A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.

This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.

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Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.

Answer:

Most carnivores have long, sharp teeth adapted to ripping, tearing or cutting flesh. While many also possess a few molars in the back of their mouths, and sharp incisors in the front, the most important teeth for carnivores are their long, sharp canine teeth.

Explanation:

its true

Answer:

Temperature, food, pollutants, population density, light and sound

The odds ratio (OR) for the SNP is 1.5. 4% of people in the population are at risk of getting hypothyroidism. According to this data, Jane's total risk of hypothyroidism is 6%.

When the thyroid gland is underactive or hypothyroidism, your body cannot produce enough thyroid hormones to satisfy its demands. The thyroid is a little gland at the front of your neck that resembles a butterfly. hypothyroidism hormone bioactivity may be impacted by single nucleotide polymorphisms (SNPs) in genes involved in thyroid hormone metabolism. Thyroid hormones (THs) attach to thyroid hormone receptors (TRs), which are nuclear hormone receptors. TRs function as ligand-activated transcription factors that bind to the target gene's promoters' cognate thyroid hormone response elements (TREs).

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Answer:

The correct statement is : Most prokaryotes live in communities

Explanation:

Electron microscopes are normally shows color of specimen in black and white. The part of the specimen passed through the electron appears white and rest of the part in black.

Flagella found in various microscopic organism such as protozoa, bacteria, archaea and some other eukaryotes for cell movement. Most of the prokaryotes are found in the colonies form however, these are unicellular entities but shows community formation. Plant cell does not require lysosomes as they have vacuoles for the function of lysosomes.

Thus, the correct statement is : Most prokaryotes live in communities.

Answer:

5. ee, attatched earlobes

8. Ee, free earlobes

Explanation:

Answer:

What happens during translation? tRNA is made from mRNA.

Explanation:

Option B) is your answer. Have a great day.

Answer:

three

Explanation:

I hope this helps you

It is accurate to say that protein complementarity is the practice of mixing protein sources so that any shortfalls in one source's supply of amino acids are made up for by excesses in the other.

When two plant proteins are combined (for instance, grains and legumes), all nine of the required amino acids for your body are obtained. Protein complementation is broken out as follows: Food. Fewer Amino Acids. Complement.

Protein complementation happens when two LBV proteins are eaten together. You can compensate for the lack of amino acids in each LBV protein by consuming two of them at once, giving you a meal with a high biological value (HBV).

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Mutagen is the term used to describe a substance such as tobacco that can cause a genetic change. A mutagen is an agent, physical or chemical, that changes the genetic material (DNA or RNA) of an organism and thus increases the mutation rate.

Examples of mutagens include radiation (UV, X-ray, and gamma), certain chemicals (such as benzene, tobacco, and certain food additives), viruses (such as retroviruses), and some transposons (such as L1 elements).

Mutagens may cause DNA damage directly, leading to replication errors that result in mutations, or indirectly, by interfering with DNA repair mechanisms. Mutations caused by mutagens can affect any part of the DNA, including genes that control cell division, growth, and death.

As a result, mutagens are important factors in the development of cancers, genetic diseases, and birth defects.

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Answer:

A. Moves things in and out of cells

Alternative splicing can lead to an economy of genes. The reason behind this is that it can produce several proteins from a single gene. There's no need to have a different gene for each protein the cell produces because alternative splicing can make it possible for one gene to produce various proteins with different functions.

Genes' economy is a term used to describe how many proteins can be generated from a small number of genes, which can be accomplished through alternative splicing. As a result, alternative splicing helps to increase the diversity of proteins generated by a single gene. There's no need to have a different gene for each protein the cell produces because alternative splicing can make it possible for one gene to produce various proteins with different functions. A gene is a segment of DNA that carries the genetic information required to produce proteins, and it can be transcribed to make RNA, which is then translated to produce proteins. Alternative splicing is a process by which the RNA from a single gene can be spliced in various ways to produce different proteins. It achieves this by rearranging the way that introns and exons combine.

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The following is the structure where a visuotopically organized, alternating (left/right) pattern of monocular responsiveness is found is d. layer 4 of visual cortex.

This layer receives inputs from the lateral geniculate nucleus (LGN) and has a distinct organization known as ocular dominance columns. These columns are organized in an alternating pattern, with each column receiving inputs primarily from one eye. The columns are arranged in a way that creates a map of the visual field, with neighboring columns representing neighboring regions of space.

This organization is important for processing and integrating visual information from both eyes. While there is some degree of visuotopic organization in other layers of the visual cortex, it is layer 4 that has this distinctive pattern of alternating monocular responsiveness. So therefore the correct answer is d. layer 4 of visual cortex is the structure where a visuotopically organized, alternating (left/right) pattern of monocular responsiveness is found.

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Answer:

The answer is D.

Explanation:

Answer:

c

Explanation:

because the blood vessels dilate allowing more blood to flow near the surface of the skin allowing the sweat glands to increase the amount of sweat secreted which evaporates and takes heat with it

Stimulation of the heat-loss center causes a. blood vessels in the skin to constrict.

The heat-loss center is a region in the brain that plays a crucial role in regulating body temperature. When this center is stimulated, it initiates responses aimed at dissipating excess heat from the body. Among the options provided:

a. Blood vessels in the skin constrict: Stimulation of the heat-loss center leads to the constriction of blood vessels in the skin, a process known as vasoconstriction. This response reduces blood flow to the skin, minimizing heat loss through the skin's surface. By constricting blood vessels, less warm blood reaches the skin, helping to retain heat deeper within the body.

b. Breathing becomes slow and shallow: This response is more associated with the heat-conservation center. During cold conditions, slow and shallow breathing reduces the exchange of cold air in the lungs, helping to retain warmth.

c. Sweat glands increase their output: This response is associated with the heat-loss center, but in this scenario, the heat-loss center's stimulation would have the opposite effect by decreasing sweat production. Sweating is a cooling mechanism employed by the body to release excess heat through evaporative cooling.

In conclusion, the correct response is a. blood vessels in the skin to constrict when the heat-loss center is stimulated. This vasoconstriction reduces heat loss through the skin and helps to maintain core body temperature.

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Hyalinizing spindle cell tumor with giant rosettes is a distinct tumor that closely resembles low-grade fibromyxoid sarcoma. It is often abbreviated as LK, RJ, and SW.

Hyalinizing spindle cell tumor (HSCT) is a rare benign soft tissue tumor that predominantly affects the head and neck region, particularly the tongue and oral cavity. It is characterized by the presence of hyalinized (glassy) collagenous stroma and elongated spindle-shaped cells.

HSCT typically presents as a painless, slow-growing mass or nodule. It predominantly occurs in adults, with a slight female predominance. The exact cause of HSCT is unknown, and it is not associated with any specific risk factors or genetic mutations.

Histologically, HSCT is characterized by abundant hyalinized collagenous tissue surrounding spindle-shaped cells. The spindle cells are usually uniform, with elongated nuclei and pale cytoplasm. Mitotic activity is generally low, and cellular atypia is minimal or absent. Immunohistochemical analysis of HSCT shows positive staining for vimentin, while other markers such as smooth muscle actin (SMA), S-100 protein, and desmin are typically negative.

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Answer:

C. where matter density was the highest.

The similarity between insulin extracted from cattle and human insulin is an example of evidence for evolution gained from comparative anatomy or comparative genomics.

Comparative anatomy involves the study of anatomical structures across different species to identify similarities and differences. In this case, the similarity between cattle insulin and human insulin suggests a common evolutionary origin. The fact that cattle insulin can effectively treat human diabetics indicates that the protein structure and function have been conserved over evolutionary time.

Comparative genomics involves comparing the genetic sequences of different organisms to identify similarities and differences. By comparing the genetic sequences of cattle and humans, scientists can analyze the similarities in the genes responsible for insulin production. The high degree of similarity between the insulin genes in cattle and humans further supports the idea of a shared evolutionary history.

These comparisons provide evidence for the theory of evolution, as they demonstrate the presence of common ancestry and the conservation of genetic and anatomical features across species. They indicate that living organisms have evolved through gradual changes over time, leading to the diversification of species while maintaining certain fundamental similarities.

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Answer: here this should help

Explanation:

Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts (mostly found in the mesophyll layer) contain a green substance called chlorophyll. Below are the other parts of the cell that work with the chloroplast to make photosynthesis happen.

Answer:

Blood is not a tissue, so it should be false.

Explanation:

The bony projections that can be palpated medially and laterally at the wrist are the: medial and lateral epicondyles. The lateral epicondyle is placed on the outer side of the elbow.

The medial epicondyle is a secondary growth center at our elbow. It first appears around age 6. Then, at the age of 14-17, it fuses to the shaft of the humerus.

Meanwhile, the lateral epicondyles are the unique feature found on long bones that are responsible as a point of attachment for tendons and ligaments. Besides that, epicondyles also serve as a point of attachment for the bone-to-muscle connection.

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A person must be homozygous for the trait if they have two recessive alleles for it.

One of two or more genes that may alternate at a specific location (locus) on the chromosome is known as an allele, also known as an allele. The phenotype of a particular trait may be influenced by a single allele, multiple alleles, or pairs of alleles.

The mix of alleles that an organism possesses creates its genotype. The genotype of the organism is referred to as homozygous for that trait if the paired alleles are the same. The organism's genotype is heterozygous if they are different.

In heterozygous matings, dominant alleles abolish the features of recessive alleles. Alleles, however, can co-dominate for some features. H. Neither recessive nor dominant. For instance, in the human ABO blood group system, recessive traits result in homozygosity for the gene. Because there is no dominant gene to cover up the recessive allele, it is expressed.

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Answer:

Hydrogen Bond

Explanation:

The hydrogen bond joins bases together in a DNA molecules. Which is the bond between two strands on a DNA molecule. Although the hydrogen bond is weak, collectively in the DNA molecule, it is a strong bond which binds the molecule together.

The digestive system can be thought of as a long tube with 2 major openings that is mouth and anus, which suggests that option C is the right answer.

Digestive system is the organ system in the body which produces enzymes and other juices to digest the food that we take in. These enzymes break the complex particles into smaller ones. The first opening of digestive system comes form the mouth itself while the next opening goes towards the anus. Alimentary canal, mouth, esophagus, stomach, small intestine, large intestine etc. are the main parts of digestive system. Millions of microscopic finger-like projections called villi line the inside of the small intestine.

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Answer:

You talking about a dog or something

Explanation:

BARK BARK BARK BARK BARK BARK