Lamin A is a signaling protein embedded in the cell membrane. The locus of the lamin A gene is 1q22. On which human chromosome, arm, and position can the recipe for this protein be found?

Answer:

a

Explanation:

Answer: The answer i think is right is c but i am not sure i am right:)!

Explanation:

Answer: A

Explanation:

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Fish's gills and mammal's ears and throats originate from similar structures found in the embryonic stage, which are known as gill slists or pharyngeal slits, and are found in all vertebrates during embryonic development.

This means gill slists is the right answer.

Answer:

The growth of all cells is governed by the cell cycle, including cell division. Before a cell can divide, many processes must occur, including the proper duplication of the chromosomes. The cell cycle ensures that all of these processes occur normally, otherwise the cell ceases to progress and could die

Answer:

Passive transport does not require the cell to expend energy and involves a substance diffusing its concentration gradient across a membrane.

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Explanation:

According to the research, the correct option is Maternal and paternal pairs. It is a characteristic that corresponds to homologous chromosomes.

They are the carriers of the genetic material, that is, of the information encoded by deoxyribonucleic acid.

In this sense, these chromosomes form a pair and recombine during meiosis, they have the same structure and the same loci but different alleles, since each one comes from a parent.

Therefore, we can conclude that homologous chromosomes are the same in their morphology, formed by a paternal and a maternal chromosome.

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Solution:

Scientists use conceptual processes to understand nature through questions or propositions.

The method on which scientific investigations are based is the scientific method and it is the hypothesis-prediction approach.

This approach allows scientists to modify their conclusions as new information becomes available.

The method consists of five steps:

1. Make observations

2. Ask questions

3. Form hypotheses, which are tentative answers to questions.

questions

4. Make predictions based on the hypotheses

5. Test the predictions by making additional observations or conducting experiments.

If the test results support the hypothesis, it is subjected to additional predictions and tests. If they continue to support it, confidence in its correctness increases and the hypothesis comes to be considered a theory.

Therefore, a theory is a demonstrable model supported by experimentation (empirical facts) and data that explains a phenomenon. In other words, a theory is a set of concepts, including abstractions of observable phenomena and quantifiable properties, along with rules that express the relationships between observations of those concepts.

Answer: rocks or minerals

Rock or minerals are in the branch of earth science. It deals with natural chemicals and materials on the earth, and rocks and minerals fit into the category as geology is one of the main areas of earth science.

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Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres."

1. Atmosphere

2. Biosphere

3. Hydrosphere

4. Geosphere

Punnent square for breeding  of female chocolate lab (bbEE) with male black lab (BbEE) the cross as follows:

           be              bE                bE                  bE

BE      BbEe           BbEE            BbEE            BbEE

BE       BbEe         BbEE             BbEE             BbEE

bE      bbEe         bbEE              bbEE            bbEE

bE      bbEe          bbEE            bbEE             bbEE

breeding is a genetic concepts are applied in animal husbandry, agriculture, and horticulture. By selectively cultivating different plants, early farmers enhanced many of them. Pollination is the key component of modern plant reproduction, only the chosen male parent's pollen can be transported to the selected female parent.

There are three different breeds

Breeding is essential for improving traits that can improve the quality of life for people all around the world, including resilience to diseases and pests, drought, and temperature extremes.

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The correct answer is the letter D. It requires energy

*Active transport requires energy (ATP) in order to move molecules across the membrane. It needs energy since it moves molecules against a concentration gradient.

Hip joint: It has the presence of ligaments that provides it strongness and musculature. because of these ligaments, allows the 180° movements of the legs. As the leg is used for running or much more physically intense activities the joint between the pelvis and femur that is the ball and socket joint gets so much pressure and stress, but due to its strong reinforcement by the ligaments, it becomes more flexible and strong.

Shoulder joint: As it is located in the scapula and also has the ball and socket joint it provides mobility as we can stretch our arm, and use it for throwing many things so this shows that it has mobility, but this reduces the stability by causing the rotatory injuries. Always remember that shoulder is in the shoulder blade which is mobile and this makes it risky and susceptible to injuries.

Conclusion: The scapula has mobility and we can see the upward and downward movement in it so this makes the shoulder joint more mobile but less stable as compared to the hip joint which has more stability.

In the previous exercise we spotted that in the sequences there were at least four changes in the aminoacidic sequences:

1. Valine changed for Isoleucine: as indicated by the very exercise, there wouldn't be a negative effect, because both amino acids have hydrophobic radical groups.

2. Valine changed for Alanine: like in the previous case, there wouldn't be a negative effect, because both amino acids have hydrophobic radical groups.

3. Glutamate changed for Alanine: there would be a change in the protein structure because Glutamate can form hydrogen bonds, and Alanine doesn't.

4. Glutamate changed for Aspartate: there wouldn't be a change in the protein structure because both amino acids can form hydrogen bonds.

The prophase of meiosis I have a few essential variations from the prophase of mitosis. those differences include Homologous chromosomes pair, and crossing over takes place.

Mitosis is the department of frame cells and meiosis is the division of the sex cells or gametes-producing cells.

Mitosis is a process wherein a single cell divides into identical daughter cells. Whereas Meiosis is a technique in which a single cell divides twice to produce 4 cells containing 1/2 the initial quantity of genetic materials.

Meiosis I, the primary meiotic division, begins with prophase I. For the duration of prophase I, the complex of DNA and protein referred to as chromatin condenses to shape chromosomes. The pairs of replicated chromosomes are known as sister chromatids, and they remain joined at the center known as the centromere.

Prophase is the primary segment of mitosis, the manner that separates the duplicated genetic material carried within the nucleus of a discern cell into identical daughter cells. During prophase, the complex of DNA and proteins contained inside the nucleus referred to as chromatin condenses.

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Corn kernels' color and shape are coded by diallelic genes expressing complete dominance. The genotype of individuals carrying Yellow kernels and a smooth shape phenotype can be either ppSS or ppSs.

Complete dominance refers to the inheritance pattern in which the dominant allele of a gene completely masks the expression of the recessive allele.

The presence of at least one dominant allele is enough to express the dominant trait. This becomes evident in heterozygous individuals.

In the exposed example, two traits are involved. One of them is the kernel color and the other one is the kernel shape.

Genes coding for each of the traits express complete dominance,

If a corn plant had Yellow kernels and a smooth seed shape, it is expressing the recessive phenotype for color (pp) and the dominant phenotype for shape (SS or Ss), so the possible genotypes are,

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Complete question

In corn, purple kernels are dominant to yellow kernels, and smooth kernels are dominant to wrinkled kernels.

The following letters were selected to represent each of the possible alleles:

Color

Kernel shape

If a corn plant had Yellow kernels and a smooth seed shape, what could it's possible genotype be? Choose all that apply.

Group of answer choices

Here we are comparing the DNA sequence of the gene for skin pigment in a normal gorilla (sample 1) and an albino gorilla (sample 2).

The sequences are the following:

Sample 1

ATT ACA GTA CTG GCA

Sample 2

ATT ACA ATA CTG GGC A

We can see that the sequences have different lengths, sample 1 has a length of 15 base pairs (bp), while sample 2 has 16 bp. This means there is an extra nucleotide, so this is an insertion mutation.

This means the correct answer is C. Insertion

Answer:

Keeping birds from becoming tangled in fishing line.

As we know exoskeleton is a characteristic of arthropods and other invertebrates, all vertebrates like us humans have an endoskeleton so they could not present such characteristics, finally, worms do not possess an exoskeleton, true that they are invertebrates however their phylum implies a soft body. Therefore the correct answer is option B.

(1) An antibody is a representation of one of the following metabolic processes.

Metabolism is the collective name for the set of chemical reactions that sustain life in organisms.

Converting the energy in meals into energy that may be used to power cellular processes is one of metabolism's three main tasks.

Metabolic reactions occur in particular regions of the cell.

The cytoplasm is also the site of glycolysis, fatty acid synthesis, and glycogen synthesis in addition to several stages of amino acid breakdown.

Different metabolic pathways have specific locations within the mitochondria.

Chemical reactions within the cell transform food into energy.

Our bodies need this energy in order to move, think, and develop.

Specific proteins in the body control the chemical reactions involved in metabolism.

Therefore, (1) an antibody is a representation of one of the following metabolic processes.

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All cancers begin with a gene mutation giving rise to a faulty protein participating in cell reproduction, even if it is a minor change that occured in this protein. The major problem is that the cell will divide itself nonstop, forming a mass of mutated cells (a tumor). If they start to divide in an undifferentiated way, it can even access other tissues and becom a more serious problem. But, in order to define what causes a tumor at first, the uncontrolled cell division is the beginning of it all.

Therefore, the correct answer is D. uncontrolled cell division

D. the diencephalon is where the thalamus is located

The cerebrospinal fluid provides hydromechanical protection, acts as a mechanical shock absorber, makes the spinal cord and brain become buoyant (reduce the effective weight), as well as provide nutrients to the central nevous system. Being an important form of protection to the central nervous system.

In animals, fertilization is to zygote, as meiosis is to (5) gamete.

Fertilization is the process of fusion of the male and the female gamete in order to form new organism which is diploid in nature. This process occurs only in the sexual mode of reproduction and unlike asexual reproduction, presence of two parents is essential in this.

Gamete is the germ cell that is involved in the process of sexual reproduction, in order to give rise to a new organism. Gamete is haploid in nature because it fuses with another gamete of the opposite sex in order to establish the diploid nature.

The question is incomplete, the complete question is:

In animals, fertilization is to zygote as meiosis is to which of the following?

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Answer:

The answer is d, Reticular formation

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The correct option is D. Biomass is inexpensive and easy to produce but generates air

pollution. Biomass burning might generate carbon dioxide, among other gases, which would counterattack the climate change goals, such as carbon dioxide mitigation.

Larger DNA molecules travel more slowly across the gel matrix during electrophoresis than smaller ones do. As a result, the DNA molecules divide into different bands according to their respective sizes. The quantity of DNA that builds up in a band determines how black the band is.

Because DNA is negatively charged, it gravitates toward the positive electrode. All DNA fragments flow through the gel at the same speed because they all have the same mass-to-charge ratio.

A PCR result must frequently be further altered by cleavage with restriction enzymes. Without any DNA purification, restriction enzyme digestion may be carried out quickly and easily right in the PCR mixture.

The PCR primers' structure determines the size of the PCR result. To amplify an area of interest from a double-stranded DNA template, the user designs PCR primers. Always two primers are present, and they are made to border the area.

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