if a cell at metaphase of mitosis contains 74 sister chromatids, how many chromosomes will be present in a g1 cell?

Answer:

Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.

Explanation:

im so sorry if this is wrong i looked it up i dont know if its what your looking for or not

Answer:

Effects of Habitat Loss on Biodiversity. Habitat loss is a process of environmental change in which a natural habitat is rendered functionally unable to support the species present. ... In the process of habitat destruction, the organisms that previously used the site are displaced or destroyed, reducing biodiversity.Explanation:

Conjugation in bacteria is the process of transferring genetic material from one bacterium to another through a pilus.

Conjugation is a method of horizontal gene transfer in bacteria, where genetic material is transferred from a donor bacterium to a recipient bacterium through a pilus. The pilus, which is a thin tube-like structure, connects the two bacteria, allowing for the transfer of genetic material, such as plasmids or other mobile genetic elements.

During conjugation, the donor bacterium replicates its plasmid and transfers one copy to the recipient bacterium. This transfer of genetic material can provide the recipient bacterium with new traits, such as antibiotic resistance or the ability to metabolize new substrates.

Conjugation is an essential mechanism for the spread of antibiotic resistance in bacteria and plays a significant role in bacterial evolution and adaptation.

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Answer:

An onion cell

Explanation:

Both are eukaryotic cell. An onion cell is a plant cell having cell wall but cheek cell is an animal cell lacking cell wall.

they are both cells but, Onion cell is a plant cell with a cell wall and a large vacuole. While the human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.

Answer:

24

Explanation:

Answer:

A. She has aneuploidy.

Explanation:

remember doing this a while back, got it right.

The statement that is true about Karen's abnormality is that she has aneuploidy. Details about aneuploidy can be found below.

Aneuploidy is a chromosomal abnormality whereby an organism possesses a chromosome number that is not an exact multiple of the haploid number of that organism.

In humans like Karen, the haploid number of chromosomes in each gamete cell is 23. This means that the number of chromosomes that is expected to be in the somatic cells is 23 × 2 = 46 chromosomes.

However, according to this question, Karen has 47 chromosomes but no apparent abnormalities. This suggests that she posseses aneuploidy.

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The condition where a person experiences occasional, brief periods of purposeful actions and limited speech comprehension is called "transient aphasia".

Transient aphasia is a type of language disorder that affects a person's ability to communicate. It can be caused by a variety of factors, such as a stroke, head injury, or seizure. Transient aphasia is often temporary and resolves on its own, but treatment may be necessary depending on the underlying cause. During a period of transient aphasia, the person may have difficulty understanding or producing language, but their other cognitive abilities and physical functions remain intact.

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The traditional learning method science typically involves a teacher-centered approach. In contrast, the project method of learning science is a student-centered approach.

In the traditional method of learning science, the teacher is the primary source of knowledge, and students are expected to passively receive and memorize information. This approach often involves textbook readings, lectures, and demonstrations, and may not provide students with opportunities for hands-on learning or real-world applications of scientific concepts.

In contrast, the project method of learning science is a more active and engaging approach that involves students working collaboratively on projects or experiments. This approach allows students to explore scientific concepts through hands-on learning, and to develop critical thinking skills by asking questions, making observations, and drawing conclusions based on their own data.

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Answer:

Eplanation :spices diversity is the number or variety of species in the world or in a particular region. Ecosystem diversity is the number or variety of ecosystems within a particular area.

Answer:

Species diversity refers to the number of different species that are represented in a given community while ecosystem diversity refers to the variety of different ecosystems within an area.

Answer:

4.5 thousands is the correct answer

Answer: = the somatic system

Explanation:

They are part of the somatic nervous system, which is responsible for voluntary movements such as walking or climbing the stairs.

Volume = 1 * 10^-9 cm^3

Surface area b= 1 * 10^-6 cm^2

Surface area to volume ratio = 1 * 10^3

The volume of a cube is given by the formula:

V = l^3

where l is the length of one side of the cube. To find the volume, simply raise the length of one side of the cube to the power of 3.

Volume of the cube = l^3 = (0.001)^3 = 1 * 10^-9 cm^3

Surface area of the cube =  (0.001)^2 = 1 * 10^-6 cm^2

The surface area to volume ratio is; 1 * 10^-6 cm^3/ 1 * 10^-9 cm^3

= 1 * 10^3

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Answer:

Explanation:

When a true-breeding black guinea pig is crossed to a white one, a) What fraction of the F1 offspring is expected to be heterozygous? answer: 100% ... 3) A couple of black guinea pigs of the same genotype were mated and produced 29 black and 9 white ... Hi

The mechanism illustrates negative feedback.

What is hormone regulation?

What is negative feedback?

Thus, thyroid hormone works in a negative feedback mechanism.

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Mendel's principle of segregation states that the two alleles present at each gene locus separate from one another during gamete formation and remain distinct.

A is the correct answer.

According to the law of segregation, each diploid person possesses two copies of an allele for each trait. A diploid organism is produced when each parent randomly assigns one allele to each child. The phenotype of the offspring is based on the allele that carries the dominant trait.

For instance, the type of allele that the progeny inherits will determine the flower's color in plants. Each parent plant passes one allele to its offspring. Additionally, the chromosome union of the two gametes at fertilization will determine which sets of alleles are present in the offspring.

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The complete question is:

Which of Mendel's Principles states that the two alleles present at each gene locus separate from one another during gamete formation and remain distinct.

A. law of segregation

B. law of dominance

C. law of independent assortment

Answer:

The posterior venae cava is also known as inferior venae cava. It is large vein that carries blood from the torso and lower body to the right side of the heart. From there, blood is pumped to the lungs for exchanging the gases ( carbon dioxide is given out and oxygen is mixed with the blood)

Explanation:

Answer:

D. can spill during transport and disrupt ecosystems

Explanation:

The correct option would be "D. can spill during transport and disrupt ecosystems" as it is not a risk of renewable energy sources, as renewable energy sources such as solar, wind, and hydroelectric power do not involve transport of fuels and do not have the risk of spills.

Answer:

A. Within storms that have winds blowing from the east

Explanation:

Love U (^.^).

Hope It Helps.

Answer:

within storms that have winds blowing from the east

Explanation:

Cartilage is found on the surface of long bones and it serves to cushion the joint, reduce friction, and provide tensile strength. It also contains proteoglycans which keep it hydrated and flexible.

Cartilage is composed of cells, fibers, and ground substance. The cells in cartilage produce the fibers and ground substance, which act as a cushion between the bones. The fibers also provide tensile strength, which helps maintain joint integrity. The ground substance is a gel-like material which helps cushion the joint and provides flexibility to the cartilage.

Cartilage also contains proteoglycans, which are molecules that help keep the cartilage hydrated. This helps to keep the cartilage flexible and helps prevent it from becoming too stiff and brittle. The proteoglycans also help keep the cartilage from drying out and wearing away.

In conclusion, Cartilage is found on the surface of long bones at the ends of the bone, where it forms a joint. Cartilage serves to cushion the joint and absorb shock. It also acts as a cushion between the bones and prevents them from grinding against each other. Cartilage also helps to reduce friction at the joint, allowing for smoother, more efficient movement.

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Exoendocytosis is not a way molecules and ions can pass through a plasma membrane.

This is referred to as a cellular process in which substances are brought into the cell and it involves the use of mechanisms such as pinocytosis and phagocytosis.

Exocytosis is the form of active transport and bulk transport in which a cell transports molecules out of the cell and both processes move materials into or out of the cell that are too large to directly pass. However exoendocytosis isn't a type of method involved in the transportation of materials and is the reason why it was chosen as the correct choice.

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Answer:

Parasite lives on a living organism whereas a saprophyte lives on dead and decaying matter. It lives on a living source known as the host for its nutritional requirements. It lives on dead and decaying matter for its nutritional requirements

that ABO blood type demonstrates multiple allele inheritance of what multiple allele inheritance means. In humans, the ABO blood type is determined by three alleles - A, B, and O. Each person one from each parent, and the are combination  these two alleles determines their blood type.

The A and B alleles are co-dominant, meaning they both express their phenotype when present together. The O allele is recessive and only expresses its phenotype when paired with another O allele. This results in four possible blood types - A, B, AB, and O. So, the inheritance of ABO blood type involves multiple alleles interacting in a complex way to determine a person's phenotype.

The ABO blood type is a trait that demonstrates the type of inheritance known as "codominance." the term are we the "codominance" refers to the type of inheritance exhibited by the ABO blood type  codominance, both alleles for are specific trait are expressed equally in an individual's phenotype, and neither allele is masked or dominates the other. The explanation for this is that ABO blood types have three alleles (A, B, and O), with both the A and B alleles being dominant over the O allele, and the A and B alleles are codominant with each other, leading to four possible blood types: A, B, AB, and O.

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Answer:

Hm

Explanation:

In the double helix of DNA, hydrogen bonds connect the nitrogenous bases of the two complementary strands of DNA. Specifically, hydrogen bonds form between the purine and pyrimidine base pairs. Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C). The hydrogen bonds between these complementary base pairs help to stabilize the double helix structure of DNA. Each base pair is connected by two or three hydrogen bonds, which create a weak, yet essential, attraction between the two strands of DNA. These hydrogen bonds play a crucial role in the process of DNA replication and the transfer of genetic information from one generation to the next.

Answer:

Each molecule of DNA is a double helix formed from two complementary strands of nucleotides held together by hydrogen bonds between G-C and A-T base pairs.

Answer: Solar Cells

Explanation:  Solar cells can convert solar energy into electrical power.

Answer:

Solar Cells

Explanation:

Batteries convert Chemical energy to Electrical

Sunlight doesn't convert into electrical energy without human intervention

Photosynthesis converts solar energy into chemical energy

Solar cells take Sunlight(Electromagnetic energy) and converts it into Electrical energy

Technically most forms of eletrical energy are based from solar energy

Factors that affect genetic diversity are:

The diversity of alleles of individuals of the same species is what we call genetic variability.

for example, are characteristics present in human beings that make us quickly understand that we have phenotypic variations in relation to others.

With this information, we can conclude that Factors that affect genetic diversity are: sewage from cities dumped in vers - pollution, sections of large forests cut by resources - habitat fragmentation, Burmese pythons infesting the Everglades - invasive species, rhinos indiscriminately killed by their horns - exploration

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Answer:

Why does air on Earth not move simply in a direct path between the equator and the poles? Air does not move in direct paths because of the Coriolis effect. ... Air is deflected toward the southwest in the Northern Hemisphere and toward the northwest in the Southern Hemisphere.

Explanation:

Individuals who are heterozygous for the hemophilia gene do not exhibit hemophilia. Thus, the disease is recessive. The correct answer is (C).

A female with one hemophilia allele and one typical allele is called heterozygous or a transporter. Although some heterozygous girls and women experience bleeding symptoms, these are typically milder than those experienced by hemophilic boys and men.

Hemophilia is typically an acquired draining problem in which the blood doesn't clump as expected. This can cause bleeding on its own or as a result of an injury or surgery. Numerous proteins known as clotting factors can assist in stopping bleeding.

A son born to a man with hemophilia and a woman who is not a carrier of the gene will not have hemophilia because the Y chromosome does not carry the gene. It will be a girl if the father gives the baby the X chromosome. The hemophilia gene will be present on the father's X chromosome.

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