which of the following is not true of the pdh complex? group of answer choices none of these are true the close proximity of the enzymes increases the overall reaction rate. if the subunits weren't linked, the reactions could take place in the wrong order.

Homologous chromosomes can come from either parent, so they are not all maternal in origin. The false statement is therefore C) They are all maternal in origin.

Homologous chromosomes are pairs of chromosomes that contain the same genes in the same locations. During meiosis, homologous chromosomes pair up and sometimes exchange genetic material through crossing-over. A set of one maternal and one paternal chromosomes that pair up with one other inside a cell during fertilization is referred to as a pair of homologs, or homologs.

"Homologous chromosomes are identical in their genetic makeup and carry the same genes." In reality, homologous chromosomes are not identical in their genetic makeup but have the same genes at the same locations (loci) along the chromosome.

Learn more about “ Homologous chromosomes “ visit here;

https://brainly.com/question/30331369

#SPJ4

Complete Question

Which of the following statements about homologous chromosomes is false?

A) They contain the same genes in the same locations.

B) They sometimes engage in crossing-over during meiosis.

C) They are all maternal in origin.

D) They pair during meiosis.

Answer:

Im not sure what your exactly asking but for the last question just say something along the lines of how Europe was the highest popualtion dessity and Australia has the lowest. Do you need help with the bar graph?

Explanation:

Answer:  You can say that there is sometimes a pattern in the numbers.  In the graph, The density of Africa minus North America's density equals 2, and the density of North America minus South America's density also equals 2.

Sorry, if this didn't help and also if it is not the right answer.

Some plausible proximate explanations for young, inexperienced western garter snakes born in the laboratory from mothers captured in coastal areas of California readily eating pieces of slug include: 1. Innate preference 2. Nutritional needs 3. Availability 4. Sensory cues

There are several plausible proximate explanations for this behavior of young, inexperienced western garter snakes eating pieces of the slug. Some possible explanations include: 1. Hunger: The snakes may simply be hungry and willing to eat whatever food is available, including slugs. 2. Availability: Slugs may be a common prey item in the coastal areas where the snakes' mothers were captured, so the snakes may be more likely to encounter and eat them. 3. Taste: The slugs may be a palatable food source for the snakes, either because they taste good or because they contain nutrients that the snakes need. 4. Learning: The young snakes may have learned from their mothers to eat slugs as a food source, either through observation or by receiving cues from their mothers. Therefore, all of the above explanations are plausible reasons for the young snakes' behavior of eating pieces of the slug.

Learn more about snakes here:

brainly.com/question/29804208

#SPJ11

Answer:

HomoSapiens

Explanation:

According to the original intended use, the area-specific curet that can be used on all surfaces of anterior teeth and premolar teeth is the Gracey curet.

The Gracey curet is a type of area-specific curet commonly used in dental hygiene. It is specifically designed to access and remove deposits from specific tooth surfaces.

The Gracey curet has a curved working end with a rounded toe and a single cutting edge. Its design allows for effective scaling and root planing on specific tooth surfaces.

In the case of anterior teeth and premolar teeth, which include the incisors, canines, and premolars, the Gracey curet is suitable for use on all surfaces.

This includes the facial/buccal surfaces, lingual surfaces, mesial surfaces, and distal surfaces of these teeth.

By using the Gracey curet, dental professionals can effectively remove calculus, plaque, and other deposits from the tooth surfaces, promoting oral hygiene and preventing or treating periodontal diseases.

It is important for dental professionals to have a thorough understanding of the different types of courts and their appropriate uses to ensure effective and safe dental care.

learn more about tooth surfaces here

https://brainly.com/question/30471962

#SPJ11

Answer: The most appropriate microscope for studying the internal parts of the cell is ELECTRON MICROSCOPE. The correct option is B.

Electron microscope, which is a compound microscope is usually used to study the internal environment  of the cell because of the easiness with which one can easily distinguish the cell organelles from one another. Electron microscope gives great clarification of the cellular components and allow scientists to observe minute details about cellular structures. Electron microscope usually magnify specimens to one million times of their real sizes.

Answer:

\(\boxed{\mathrm{Electron \: microscope}}\)

Explanation:

Electron microscopes have high range of magnification and resolution, the tiniest structures of cells and organelles can be viewed through the microscope. Scientists use it for biomedical research.

Answer:

Explanation:

- Fertilizer during runoff

- Heat, and radiative chemicals

- Yards and runoff

- Heating the water if run by steam by pumping the waste into rivers

- The clean water act focuses on navigation and water as in fishing, and swimming water while the safe drinking water act dictates how water comes to our cups from their original sources.

- You can get information by any sites locally about disposing chemical waste or any government website ending in .gov

- Home waters including sewage have to be filtered through heavy chemical processes using extra waters and factories. our clean water volume is plummeting.

Answer:

(A)Yes.

Explanation:

Homologous structures provide evidence for common ancestry.

Good Luck

Answer:

True.

Explanation:

Hope this helps!

C, water,oxygen,energy source

Answer:

Explanation:

Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.

The homozygous recessive genotype 'aa' occurs with a frequency of 0.16 in a population of pandas that is in hardy-weinberg equilibrium. Frequency of the dominant allele is 0.2 in the population.

An allele is a variation of the same sequence of nucleotides at the same site on a long DNA molecule, according to authoritative textbooks on genetics and evolution. "An allele is a different DNA sequence at a locus, and a locus (plural: loci) is the term for the chromosomal or genomic location of a gene or any other genetic element." Single nucleotide polymorphisms, or SNPs, are the most fundamental alleles (SNP). Although they can also involve base-pair insertions and deletions that number in the thousands. The term "allele" is typically used to refer to a small number of alleles contained inside genes. For instance, the ABO gene, which controls the ABO blood classification, has six common alleles (variants). These six alleles alone, according to population genetics, account for practically every living person's ABO gene phenotype. The majority of observed alleles have little to no impact on how well the gene product they code for functions. But occasionally distinct genes might cause distinct phenotypic features, like differing colouring.

To know more about allele please refer: https://brainly.com/question/7602134

#SPJ4

Answer:

An earthquake is a sudden and violent shaking of the ground caused by the movement of tectonic plates beneath the Earth's surface. Tectonic plates are massive slabs of rock that make up the Earth's crust and are constantly moving and shifting. When the plates collide or slide against each other, they can create a release of energy in the form of seismic waves that cause the ground to shake.

The magnitude, or strength, of an earthquake is measured on the Richter scale, which ranges from 0 to 10. Earthquakes with a magnitude of 4.5 or greater can cause significant damage, while those with a magnitude of 7.0 or greater can be catastrophic and cause widespread destruction.

Earthquakes can occur anywhere in the world, but are most common in areas where tectonic plates meet or where there are active faults. They can also be triggered by human activities such as mining, drilling, and the construction of large dams.

If two of the heterozygous red fruits were mated genotypic ratio is 1:1 and phenotypic ratio is 1:2:1for given genes .

The functional and physical unit of heredity handed down from parent to child. Genes are pieces of DNA that contain the instructions for producing a particular protein.

The genotypic ratio is a ratio that depicts the various genotypes of progeny from a test cross. It depicts the pattern of offspring distribution based on genotype, which is the genetic constitution that determines an organism's phenotype.

To know more about genes , visit ;

brainly.com/question/8832859

#SPJ1

Answer:

The correct answer is - Snakes have tiny internal hind leg bones, indicating that they likely descended from lizards.

Explanation:

Minimal structures are the structures in a life form which are not, at this point being used. In past these minimal structures played out some significant capacities in those life forms however bit by bit because of development now they have become non utilitarian in their body.

Reptiles and snakes both are reptiles yet reptiles have a practical rear appendage which causes them in slithering, snakes have been developed from reptiles however so as to move they creep instead of creeping so their rear appendage doesn't serve any capacity in development. Rear appendages are available in their body as a minimal organ.

Thus, The correct answer is - Snakes have tiny internal hind leg bones, indicating that they likely descended from lizards.

Answer: Snakes have tiny internal hind leg bones, indicating that they likely descended from lizards.

Explanation:

E d g e n u i t y Cumulative Exam 2020

Answer:

here i can help you with this

Explanation:

pa brainliest

Answer:it is a characteristic of DNA

Explanation:

Deoxyribonucleic acid(DNA) is made 5 carbon deoxyribose sugar, phosphate group,Nitrogenous base which include purine and pyrimidine. Purine base compose of Adenine and guanine while pyrimidine base compose of Cytosine and thymine.

In Ribonucleic acid (RNA) we have 5 carbon ribose sugar, phosphate group and nitrogenous bases which are purine and pyrimidine. Purine consist of Adenine and guanine while pyrimidine compose of Cytosine and Uracil where thymine in DNA is replaced by Uracil in RNA. This makes Thymine a components of DNA not RNA.

Answer:

it can cause signs of stress, such as nervousness, anxiety, and irritability.

Explanation:

Because it suffocates other plants and trees under a canopy of leaves, taking all the sunshine and trapping other species in its shade, kudzu is very terrible for the ecosystems that it invades.

It can also endure droughts and low nitrogen environments, giving it an advantage over local species that lack similar characteristics. 4 That doesn't really help because the only other plants that can compete with kudzu are other invasive species.

The Soil Erosion Service and Civilian Conservation Corps purposefully planted it to prevent soil erosion in the state of Pennsylvania, which is where the great kudzu invasion all began.

It was also employed as an ornamental species and to provide shade for residences in the Southeast.

Kudzu also lessens the soil's capacity to store carbon, which contributes to climate change as if that weren't awful enough.

When kudzu invades native pine woods, more carbon from the soil's organic matter is released into the atmosphere, according to a 2014 study on the plant.

This is most likely a result of kudzu's organic matter degrading far more quickly than the vegetation it replaces (like organic matter from trees).

To learn more about Kudzu from given link

https://brainly.com/question/12892041

#SPJ9

I think you are right

Explanation:

Sample A and Sample D

At the first half-life, 50mg of the original element will be present. At the second half-life, 25mg of the original element will remain.

Radioactive elements decay over time, and the rate of decay is measured by their half-life, which is the time it takes for half of the original element to decay. In the first half-life, 50% of the original element decays, leaving behind 50mg. In the second half-life, another 50% of the remaining element decays, resulting in 25mg remaining.
By analyzing the ratio of the original element to its decay product in rocks and fossils, scientists can estimate their age. If the decay product is present in a specific proportion to the original element, it indicates a certain number of half-lives have passed. By knowing the half-life of the element, scientists can calculate the age of the sample.
For example, if a rock contains 25mg of the original element and 75mg of the decay product, it suggests that two half-lives have passed. Since each half-life corresponds to a specific time period, multiplying the number of half-lives by the length of one half-life provides an estimate of the age of the rock or fossil.
This technique, known as radiometric dating, is particularly useful for dating rocks and fossils that are millions or billions of years old. Different radioactive isotopes have different half-lives, allowing scientists to determine the age of materials spanning different time scales. It provides valuable insights into Earth's geological history, evolution, and the timing of important events such as mass extinctions and the emergence of new species.

To know more about ,radiometric dating, click here https://brainly.com/question/29072124

#SPJ11

Answer:

um it means ur just skinnyyy

Explanation:

Answer: The first step is coagulation, which involves adding chemicals to the water. ...

The second step is called flocculation, in which larger particles called flocc form after coagulation.

Sedimentation occurs next when the heavy flocc settles to the bottom and is cleared away.

Explanation:

Answer:

A. Synapse

Explanation:

The gap between two neurons is called synaptic gap, or synapse.The synapse is the space between the axon of one neuron and the dendrites of the next neuron in a nerve pathway.

Answer:

Synapse

Explanation:

Also known and a synaptic gap

Very large numbers of intercellular messengers are water-soluble messengers with protein receptors located on the cell surface of target cells, while a much smaller number of intercellular messengers are lipid-soluble messengers with protein receptors located inside the target cells.

Because they are hydrophilic, water-soluble messengers like peptide hormones and neurotransmitters cannot cross the cell membrane. Because of this, their receptors are found on the cell surface, where they attach to the messenger and start intracellular signaling pathways by activating enzymes or second messengers.

Lipid-soluble messengers including steroid hormones, thyroid hormones, and certain neurotransmitters can flow through cell membranes. These messengers pass across the cell membrane and attach to receptors in the target cells, which are frequently found in the cytoplasm or nucleus.

The hormone-receptor complex, once attached, has the ability to directly affect gene expression or alter cellular functions.

To learn more about proteins, refer to:

brainly.com/question/884935

#SPJ4

answer:

it occurs in two stages: transcription and translation

explanation:

7.) A selection technique in which only bacteria containing a particular mutation will grow in culture is referred to as: b) positive selection. This method allows for the identification and isolation of bacteria with specific desired mutations.

8.) The transfer of genetic information within the same generation is described by: a) horizontal transmission. This process involves the transfer of genetic material between organisms that are not parent and offspring.

9.) In bacteria, the type of horizontal gene transfer mediated by a structure called a pilus is called: conjugation. Conjugation allows for the direct transfer of genetic material between bacterial cells through the pilus structure.

10.) Prokaryotic and eukaryotic control of gene expression differ with regards to the numbers of genes that can be regulated by a promoter.

In prokaryotes, a single promoter can regulate the expression of multiple genes organized in an operon, while in eukaryotes, promoters usually regulate a single gene. This difference leads to more complex regulation and organization of gene expression in eukaryotic cells.

11.) The significance of Frederick Griffith's 1928 experiment using mice infected with Streptococcus pneumonia was the discovery of the process of bacterial transformation. In this landmark experiment, Griffith demonstrated that non-virulent bacteria could acquire virulence by taking up genetic material from dead virulent bacteria.

This discovery provided evidence for the exchange of genetic material between bacterial cells and laid the groundwork for understanding the role of DNA in inheritance.

To know more about bacteria, refer here:

https://brainly.com/question/15490180#

#SPJ11

Conformational isomers are present in higher concentration at equilibrium. The chair conformation will be more prevalent at equilibrium.

Molecules that have the same connectivity and chemical formula but differ in their atoms spatial arrangement as a result of rotation around single bonds are known as conformational isomers.

Usually, the conformation with the lowest energy state is the one that is more prevalent at equilibrium. This is because, in order to reduce their potential energy, molecules will naturally migrate towards a more stable state.

The chair and boat conformations of cyclohexane are two typical examples of conformational isomers. Due of considerations including steric hindrance and angle strain, the chair conformation is in this instance more stable than the boat conformation.

Learn more about Conformational isomers

https://brainly.com/question/31610485

#SPJ4