In prokaryotes, the _____ _____ can synthesize RNA using a DNA template, but cannot initiate synthesis accurately

1) According to the diagram, divergence among mammals took place about 75 mya.

2) Scientists are able to determine common ancestors by studying molecular data.

3) Darwin's theory of evolution by natural selection states that animals change over long periods of time.

4) Scientists are closesly studing how genes reorganize themselves.

5) Some scientists, however, think new species evolve quickly.

6) Still, among scientists, the principles of natural selection remain unchanged and highlight how animals evolve.

7) The main tool for the study of evolution is careful observation of fossils and the anatomy of animals.

8) Scientists also study animal embryology.

9) What no one doubts is the wide diversity among organisms on Earth.

10) The divergence that took place among mammals helps us understand why whales and dolphins are mammals and not fish.

Fun fact: Uh, I happen to discover a whole packet of answer keys, not just for this but also for other assignments and stuff. (O.O)

Answer:

Boiling water

Explanation:

Boiling water is an example of physical change as it does not cause any change in the chemical composition of water.

Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.

Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.

They involve only rearrangement of atoms and are often characterized to be changes which are reversible.

Learn more about physical changes,here:

https://brainly.com/question/3680148

#SPJ2

Answer:

zygotes

Explanation:

Human fertilization and development

Fertilization is the process in which haploid gametes fuse to form a diploid cell called a zygote. To ensure that each zygote has the correct number of chromosomes, only one sperm can fuse with one egg.

In conclusion, Darwin's ideas about evolution have been updated and refined over the past 150 years through the integration of new evidence and insights from genetics, molecular biology, and paleontology.

Charles Darwin's ideas on evolution were revolutionary when he first presented them in his book "On the Origin of Species" in 1859. However, since then, scientists have updated and refined Darwin's theory of evolution through the integration of new evidence and insights from various fields of science.

One of the most important contributions to modern evolutionary theory has been the role of genetics. Darwin was aware of the existence of inheritance, but he did not understand the mechanism by which traits were passed down from one generation to the next. It wasn't until the discovery of DNA and the genetic code that scientists were able to understand how genetic variation arises and how it can be inherited.

The discovery of genetics also allowed scientists to study the patterns of evolution on a molecular level. By comparing the DNA sequences of different species, scientists have been able to trace the evolutionary history of organisms and confirm some of Darwin's ideas about the relationships between different species.

Despite these updates, the core idea of Darwin's theory of evolution remains intact: that species evolve through a process of natural selection. Natural selection refers to the idea that individuals within a population that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring. Over time, this can lead to the evolution of new species.

To know more about evolution visit:-

https://brainly.com/question/31440734

#SPJ11

Answer:

Yes, photosynthesis is a chemical change

Explanation:

Photosynthesis is the process through which plants convert light energy into chemical energy. Here is the chemical reaction involved: water and carbon dioxide combine to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change.

The cytosol is where proteins without an ER motif are translated, the cytosol is where it would most likely be directed.

A glycoside is created when an enzyme called a glycosyltransferase catalyses the production of a glycosidic bond. These enzymes catalyse the transfer of a glycosyl group from a glycosyl donor to a nucleophilic group, typically an alcohol, using sugar phosphates that have been "activated."

When transferring activated sugar residues to the appropriate acceptor, glycosyltransferases are the enzymes in charge of initiating and lengthening glycan chains on mucins.

When a sugar residue is transferred from a donor substrate to an acceptor, glycosyltransferases (GTs), a subclass of enzymes, catalyze the formation of glycosidic bonds.

The stereochemistry at the donor substrate's anomeric carbon atom is either inverted or retained by glycosyltransferases, catalyzing the processes.

The complete question is:

Review your model of protein sorting. Glycosyltransferase enzymes are normally targeted to the lumen of the Golgi. If the ER signal sequence of this protein is mutated such that it can no longer bind to the SRP, predict where the protein would end up.

To learn more about Glycosyltransferase enzymes refer to:

https://brainly.com/question/11276447

#SPJ1

An organism that can synthesize all of its organic components from CO2 using energy from the sun is called an autotroph or a producer.

Autotrophs are able to convert inorganic substances, such as carbon dioxide, into organic molecules through a process called photosynthesis. During photosynthesis, autotrophs capture sunlight through specialized pigments, such as chlorophyll, and use the energy from the sun to convert CO2 into glucose or other organic compounds. This process also releases oxygen as a byproduct. Autotrophs play a vital role in the food chain, as they are the primary source of energy for all other organisms. Examples of autotrophs include plants, algae, and some bacteria. By being able to produce their own organic components, autotrophs are not dependent on other organisms for their energy needs, allowing them to survive in environments with limited resources.

To know more about autotrophs please refer to:

https://brainly.com/question/10253663

#SPJ11

In an hypertonic solution, red cells would experiment loss of water, which translates into reduction of the volume of the cytosol, and eventually crenation, which means the destruction of the cell by dehydration (D).

The probability that in exactly one of the groups, at least 9 primates complete the study is 58.24%.

In a study of the effects of a specific enrichment activity on primates at a zoo, a 30% chance exists that a primate will not be willing to participate enough to complete the study, independent of the other primates. Two groups of 10 primates are being studied. The probability that in exactly one of the groups, at least 9 primates complete the study can be calculated using the binomial distribution function.

The formula for the binomial distribution function is as follows: P (X = k) = (n C k) pk qn - k, where P (X = k) is the probability of k successes in n trials, p is the probability of success, q is the probability of failure, n is the number of trials, and (n C k) is the binomial coefficient.

In this case: P (X = 9) = (10 C 9) (0.7)⁹ (0.3)¹ = 10 (0.7)⁹ (0.3) = 0.3P (X = 10) = (10 C 10) (0.7)¹⁰ (0.3)⁰ = 1 (0.7)¹⁰ (1) = 0.2824

The probability of at least 9 primates completing the study in one group is P (X = 9) + P (X = 10) = 0.3 + 0.2824 = 0.5824.

The probability that in exactly one of the groups, at least 9 primates complete the study is 58.24%.

Learn more about binomial distribution at:

https://brainly.com/question/29137961

#SPJ11

Answer:

urbanization is dependent factor ig

Answer:

1. Numbness of Extremities

2. Fatigue

3. Loss of Appetite

4. Digestive Issues

5. Weak Immune System

6. Chest Pressure

7. Decreased Cognitive Ability

8. Cold Extremities

9. Skin Discoloration

10. Dark Eye Circles

Bovine care typically includes a routine physical check for pregnancy,  in cows and heifers called a pregnancy examination.

Manual rectal palpation has been shown to be a useful and dependable approach. Pregnancies can be successfully identified with this approach as early as 6 weeks.

Ultrasound has also gained popularity. The major benefit of ultrasonography pregnancy detection is that it lowers operator fatigue and injury.

A pregnancy examination in cows and heifers is a regular physical assessment for pregnancy in bovine care.

Learn more about cows, here:

https://brainly.com/question/15000323

#SPJ1

Bones and cartilages constitute the skeletal system in which bone has a hard pliable matrix whereas cartilage has a soft, non-pliable matrix.

Bone is hard connective tissue due to the deposition of calcium salts. It provides structural support to the human body and has a weight-bearing function. It covers and protects the internal organs from mechanical shocks.

Cartilage is a soft connective tissue. It is distributed majorly in newborns and invertebrates. It has the deposition of chondrin salts which makes it soft and flexible. cartilage functions as a shock absorber and facilitates the smooth movement of bones.

Learn more about the skeletal system from the given link.

https://brainly.com/question/31883942

Answer:

Fairy penguins (Eudyptula minor), also known as little penguins, are tiny, slate-blue animals found along the coastlines of southern Australia and New Zealand. Not only are they more colorful than most aquatic birds, but they're also notably smaller, growing to be less than a foot tall and about 2.5 pounds.

Answer:

Wilting point

Explanation:

Wilting point is defined as the minimum amount of water in the soil that the plant requires not to wilt. If the soil water content decreases to this or any lower point a plant wilts and can no longer recover its turgidity when placed in a saturated atmosphere for 12 hours.

Answer:C

Explanation: A,B and D are financially supported by a commercial entity that can benefit from stated views that promote their product (A, D) or make adverse claims against a competitor to their product (B).

Even if the information is factual, the perception of possible bias makes it unreliable without unbiased/disinterested validation.

For C, the National Heart Association, although not disinterested, is a reputable organisation whose concern is with public health, and in this case, the information can be taken as unbiased.

The statement "Simplex P with Tobramycin has the same powdered formula as Simplex P, except for the addition of Tobramycin." is True.

Simplex P is a bone cement, primarily composed of polymethyl methacrylate (PMMA). It is used in orthopedic surgeries to fix prosthetic implants, such as artificial joints, in place. The powdered formula includes a polymer, an initiator, and a radio-opaque agent.

The addition of Tobramycin to Simplex P creates Simplex P with Tobramycin. Tobramycin is an aminoglycoside antibiotic, which is added to the bone cement to provide local antibacterial activity. This helps to reduce the risk of postoperative infection at the surgical site, which can be a major complication in joint replacement surgeries. The antibiotic is released gradually over time, ensuring that the surrounding tissues receive adequate protection against bacterial infections.

In summary, both Simplex P and Simplex P with Tobramycin have the same base powdered formula, with the only difference being the addition of the antibiotic Tobramycin in the latter. This addition enhances the cement's ability to prevent postoperative infections in orthopedic surgeries.

To know more about aminoglycosides, visit here:

https://brainly.com/question/28271924

#SPJ11

Mutations that lead to protein disruption will produce defective proteins by affecting the first level (amino acid sequence). Defective proteins are non-functional.

A mutation is any alteration in the nucleotide sequence of the genome (i.e., the genetic material) of an organism.

Mutations in genes may lead to the generation of different types of proteins that encode for different amino acids.

The first level of protein structure is the amino acid sequence, thereby mutations may affect this level.

Learn more about mutations here:

https://brainly.com/question/17031191

Answer:

I think its b. affecting the rate at which reactions occur

Antibiotic resistance is the major threat to human health because that microbes causes diseases in human, animals and plants.

The use of antibiotics on chicken farms not only encourages chickens to grow unnaturally large and fast but it also creates a grave threat to human health in the form of growing antibiotic resistance. Regular application of antibiotics causes resistance of microbes which can damaged the health of humans.

So we can conclude that antibiotic resistance is the major threat to human health.

Learn more about mature here: https://brainly.com/question/25258835

Answer:

Its D. Photosystems I and II function here.

Explanation:

I just took the test

Answer:

D. Photosystems I and II function here.

Explanation:

Credits to the person above!

New technology has allowed us to genetically modify our food. Scientist can now create crops that are pest resistant, drought resistant, faster growing and more nutritious. These consequences would best be described as positive, intended consequences.

Genetically modified (GM) foods are those derived from organisms whose genetic material (DNA) has been altered in ways that do not occur naturally, such as the introduction of a gene from another organism. Bananas are not technically genetically modified organisms because they are propagated clonally. That is, bananas are genetically identical because they are derived from a single individual plant through asexual reproduction.

When compared to previous methods, such as selective breeding and mutation breeding, genetic engineering techniques allow for the introduction of new traits as well as greater control over traits. Calgene's unsuccessful Flavr Savr delayed-ripening tomato was the first genetically modified food to be sold commercially in 1994.

To learn more about Genetically modified foods, here

https://brainly.com/question/2386349

#SPJ4

Specialized projections called axons allow neurons to transmit electrical and chemical signals to other cells.

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

Although the cuticle provides important protection from excessive water loss, leaves cannot be impervious because they must also allow carbon dioxide in (to be used in photosynthesis), and oxygen out. These gases move into and out of the leaf through openings on the underside called stomata (Figure 3b).

Answer:

A. Out of the cell. They want to move from high to low concentration (DOWN the concentration gradient)

Explanation:

The option (A) is the correct answer. This statement is the required answer.

The conclusion that Gene comes to about the cause of wars is that they are primarily caused by economic interests and power struggles among nations.

He believes that wars are driven by the desire for resources, territory, and dominance. Gene argues that conflicts arise when nations compete for economic advantages, access to natural resources, or political control. He suggests that underlying economic and power dynamics play a significant role in instigating and perpetuating wars. Gene's conclusion implies that addressing these root causes and promoting equitable distribution of resources and power may help prevent or mitigate future conflicts.

Learn more about Gene argues

https://brainly.com/question/5947060

#SPJ4

Answer:

it will get weaker give water

Explanation:

feed it bread

A heritable change in a person's genetic makeup is referred to as a mutation. Changes can be substantial or negligible. Chromosomes or chromosome parts may be lost, added, duplicated, or rearranged in significant alterations. Thus, option B is correct.

High-energy sources like radiation or chemicals in the environment can both result in mutations. They may also emerge on their own during DNA replication. The two main kinds of mutations are chromosomal abnormalities and point mutations.

Mutations can alter an organism's phenotype, which is its outward appearance, or they can have an impact on the way DNA encodes the genetic information (genotype). When mutations happen, they might kill an organism completely or only partially.

The likelihood that a gene mutation will cause an animal to be unable to produce the protein necessary for muscles to contract is that the animal will perish before producing any progeny.

Therefore, The animal will die before having any offspring.

Learn more about mutation here:

https://brainly.com/question/17130462

#SPJ5

The above given question is incomplete. The complete question is given below:

A mutation in a gene results in an animal that cannot make a protein that allows muscles to contract. Which of these is most likely to happen? * A. The gene will eventually be found in all animals of the species. B. The animal will die before having any offspring. C. The gene will change back to the normal form. D. The animal will pass this gene on to many offspring.

Answer:

B. Light Intensity

Extra Fun Fact!!: Enzymes play an important role in every function in the human body.

________

Answered by James

Explanation:

Answer:

The cover slip should be left in place for about 5 minutes before examining it under the microscope. This allows the eggs or parasites to settle properly for an accurate reading.