6. In neighboring water molecules, oxygen is attracted to ____
forming a ____ bond

Answer:

No

Explanation:

Trofim Lysenko was a Biologist in the then Soviet Union, who did not believe in the fundamental laws of science. Selective breeding is the method developed by humans to change certain characteristics of species to desired outcomes. This is based on the fact that living things have inheritable traits encoded in genes that can be passed from one generation to another.

Lysenko did not believe in this fact. He rather believed that when exposed to the right environment, plants and animals soon become adjusted to the exposure and can then develop traits that would be passed on to their offsprings. He applied this theory of his when he exposed wheat plants to cold believing that they would develop tolerance to cold. This failed woefully and resulted in severe starvation that caused the death of millions of people in the Soviet Union.  

Answer:

Read each example and decide what the resulting effect on the gene pool of that population would be.

✔ brings new alleles from other populations

A zebra migrates to join a different herd of zebras.

✔ favors certain alleles

Competition for sunlight leads to taller trees.

✔ creates new alleles from DNA

The DNA of a snake changes to make its venom stronger.

✔ randomly selects alleles

A grassfire randomly sweeps through a population of buffalo and kills most of the animals.

Explanation:

got it rght

Options are :

The Zebra being a migrating animal migrates to different herd as it beings newer alleles from other populations.

The competition for sunlight leads to taller trees that may favor certain alleles. The DNA of snake changes to make it venomous may create new alleles from DNA.  The grassfire swept by buffalo is a randomly selects alleles.

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Answer:

Sugar is made up of 6 Carbon, 12 Hydrogen, and 6 Oxygen.

So three different elements make up sugar.

Answer:

False

Explanation:

It's good method so you don't use your important money or use all of your money .

Answer:

false

Explanation:

just because

Blood typing is done so you can safely donate your blood or receive a blood transfusion. It is also done to see if you have a substance called Rh factor on the surface of your red blood cells. Your blood type is based on whether or not certain proteins are on your red blood cells. These proteins are called antigens.

Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol. It occurs in the absence of oxygen and is carried out by yeast cells.

Yeast cells benefit from the fermentation process in the following ways: Energy Production: Yeast cells produce ATP, a molecule that stores energy, through the fermentation process. This helps them to survive and perform various functions in the absence of oxygen. Lactate Tolerance: Fermentation helps yeast cells to tolerate high levels of lactate produced in the process.

This is particularly important in anaerobic environments where the accumulation of lactate can be toxic. Ethanol Production: Yeast cells produce ethanol, which they can use as a source of energy in the absence of oxygen. Ethanol production is also commercially important as it is used in the production of alcoholic beverages and biofuels. Acetic Acid Production: Some yeast species produce acetic acid during fermentation. This is important in the production of vinegar.

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Answer:

AA

Explanation:

Just like the ABO alleles, each biological parent donates one of their two alleles to their child. A mother who is Rh- can only pass an Rh- allele to her son or daughter. A father who is Rh+ could pass either an Rh+ or Rh- allele to his son or daughter. This couple could have Rh+ children (Rh- from mother and Rh+ from father) or Rh- children (Rh- from mother and Rh- from father).

Allele frequencies in a population may change due to four fundamental forces of evolution: Natural Selection, Genetic Drift, Mutations and Gene Flow. Mutations are the ultimate source of new alleles in a gene pool. Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift.

This story showed an example of convergent evolution. Convergent evolution is the process whereby organisms that are not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

In this story, the two species of birds, the crows and the jays, evolved to look similar as a result of living in the same environment and competing for the same resources.

The two species evolved to look similar in order to blend in with their environment, making it difficult for predators to distinguish them from one another. This allowed them to survive and thrive in the same environment.

Therefore, This example of convergent evolution is a perfect example of how species can evolve to look similar in order to survive in the same environment. It also shows how competition for resources can drive species to evolve similar traits in order to survive.

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Answer:

This is DNA replication

Explanation:

G1 --> S --> G2 --> PMAT

The amphibians are reptiles, marsupials, dogs, and cats.

Amphibians are four-limbed and ectothermic vertebrates of the class Amphibia. All living amphibians belong to the group Lissamphibia.

They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems. Amphibians are four-limbed and ectothermic vertebrates of the class Amphibia.

All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial, arboreal or freshwater aquatic ecosystems.

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Answer:

a genarater powers a home

Explanation:

Djnfb jrnfjnf kdjnfn jfooie. dinner jrnr t b t t t nt t

Answer:

false

Explanation:

Answer:

True

Explanation:

There might still be some trains that run on coal and may not be.

Answer:

Explanation:

DNA & Protein are the two chemical components of chromosomes that candidate for genetic material

To determine what sort of data table will be most useful or The purpose of an experiment is to test a hypothesis at least that's what i know.  I do think "3. This is a statement predicting the direction of a relationship between variables" Is the right ansswer. Sorry if i'm wrong. :c

A. Morphology of ghost crab and a typical trilobite in terms of their body parts:

Ghost crab is a crustacean and possesses a hard exoskeleton that provides protection against predators. It has five pairs of legs. Its body is divided into two segments: the cephalothorax and the abdomen. The cephalothorax is covered by a carapace that protects the gills and internal organs. The eyes of the ghost crab are located on stalks that allow the crab to have a 360-degree vision.

A trilobite is an extinct arthropod that lived during the Paleozoic era. It has three parts: the head (cephalon), the thorax, and the pygidium. The cephalon was the most developed part of the trilobite and had a pair of compound eyes and antennae. The thorax was composed of a series of segments, each of which had a pair of legs. The pygidium was composed of a series of segments and served as the tail. The trilobite had an exoskeleton that was divided into three parts: the dorsal part, the ventral part, and the pleural part.

In terms of appendages, both ghost crab and trilobite have jointed appendages.

However, there are some differences. The appendages of the ghost crab are specialized for walking and digging. The first two pairs of legs are pincers that are used for capturing prey. The last three pairs of legs are used for walking and burrowing. The appendages of the trilobite are more varied and are specialized for different functions. Some appendages were used for swimming, some for crawling, and some for capturing prey.

Similarities: Both ghost crab and trilobite are arthropods. They have jointed appendages and a hard exoskeleton that provides protection against predators. Both have an anterior cephalothorax and a posterior abdomen.Differences: The body plan of ghost crab is bilateral, while that of trilobite is radial. Ghost crab is a living organism, while trilobite is extinct. Ghost crab has five pairs of legs, while the number of legs in trilobites varied. Trilobite has a more complex morphology with specialized appendages.

B. The reason why the ghost crab goes to the extra work of making two entryways: The crab makes two entryways to its burrow to improve ventilation and prevent the accumulation of toxic gases. The side branch allows fresh air to enter the burrow, while the main entrance allows the crab to exit quickly if it senses danger. The side branch also helps the crab to dispose of waste material. The burrow also serves as a protection against predators and harsh environmental conditions. The burrow provides a stable temperature and humidity that is necessary for the survival of the crab. The long burrow allows the crab to move deep into the sand where it can stay moist and avoid desiccation.

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The well-circumscribed, ulcerating pustule illustrated in the upper photograph evolved over 8 days following direct contact with raw animal hides that had been shipped from Central Asia. The lesion began as a small papule, which progressively enlarged, ultimately ulcerated, and became covered centrally with a black eschar. The lower photomicrograph is a gram stain prepared from a colony that grew within 48 hours on blood agar. The most likely agent of this infection is anthrax.

The description of the lesion and the history of direct contact with raw animal hides from Central Asia are highly suggestive of cutaneous anthrax, which is caused by the bacterium Bacillus anthracis.

The progression of the lesion from a small papule to an ulcerating pustule with a black eschar is a characteristic feature of cutaneous anthrax. The gram stain of the colony grown on blood agar within 48 hours is also consistent with Bacillus anthracis.

Therefore, based on the clinical presentation and laboratory findings, the most likely agent of this infection is anthrax.

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Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.

Using the given information, we can calculate the total number of phytoplankton consumed by a single orca whale:

1 orca whale eats 78 salmon

1 salmon eats 16 herring

1 herring eats 38 zooplankton

1 zooplankton eats 13 phytoplankton

Therefore, 1 orca whale eats:

78 salmon × 16 herring/salmon × 38 zooplankton/herring × 13 phytoplankton/zooplankton = 4,858,688 phytoplankton

Since each phytoplankton has 4 DDT, the total amount of DDT consumed by the orca whale would be:

4,858,688 phytoplankton × 4 DDT/phytoplankton = 19,434,752 DDT

Assuming that the body weight of an orca whale is 5,500 kg and that all the DDT consumed by the whale is distributed uniformly in its body, we can calculate the concentration of DDT in the whale's body:

Concentration of DDT in the whale's body = 19,434,752 DDT / 5,500 kg = 3,533 DDT/kg

Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.

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Answer:

The correct answer is - Fossil fuels are cheaper than alternative forms of energy.

Explanation:

Fossil fuels are made by the natural process in a longer time period such as anaerobic decomposition of the dead organism like plants, and animals. These plants and animal's decomposed organic matter pilled up to form coal, or natural gases or crude oil.

By the use of such fuels the reserves are continuously depleting and will be no longer available in the future if not managed properly as it can not be renewed. Fossil fuels increases the green house gases in environment and affect it by incresing carbon in atmosphere. However, these fuels are cheaper in comparision of other fuels.

Thus, the correct answer is - Fossil fuels are cheaper than alternative forms of energy.

Answer:

its A on edge

Explanation:

Radiometric dating, which examines the ratio of two distinct isotopes in a sample, establishes the age of rocks.

How does radiometric dating work to establish an object's age?

The fundamental idea behind radiometric dating is that by comparing an isotope's presence in a sample to its abundance on Earth and its known half-life (rate of decay), you may determine the sample's age.

What can we determine using radiometric dating?

It offers an important source of knowledge regarding the ages of fossils and the estimated rates of evolutionary change by enabling the development of geological timelines.

Ancient artefacts and archaeological materials are both dated using radiometric methods

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Answer:

1/4

Explanation:

By saying that both parents have the recessive allele, but don't have it, it tells us that both parents are Heterozygous for this trait. They have one dominant trait and one recessive trait. This is demonstrated in the in the punnett square. We can see that 1/4 of the offspring will have two recessive alleles, 1/2 of the offspring will be Heterozygous, and 1/4 of the offspring will have both dominant alleles. In order to have the disease, the offspring needs to have both recessive alleles. That is 1/4 of the the offspring.

Answer:

Vegetation- riparian vegetation directly affects dissolved oxygen by releasing oxygen into the water during photosynthesis. It indirectly affects dissolved oxygen concentrations because vegetation shading a stream may decrease water temperatures, and as temperature decreases dissolved, oxygen increases.

There are several different criteria that contribute to how skeletal muscles are named. These include:

1. Location: Muscles are often named based on their position in the body, such as the temporalis muscle found in the temporal region of the skull.

2. Shape: The unique shape of a muscle can also influence its name, like the deltoid muscle, which has a triangular (delta) shape.

3. Size: Muscles can be named according to their size, such as the gluteus maximus (largest) and gluteus minimus (smallest) muscles in the buttocks.

4. Direction of muscle fibers: The orientation of muscle fibers can also determine a muscle's name, such as the rectus abdominis, where "rectus" means the fibers run straight (in parallel) within the muscle.

5. Number of origins: Muscles with multiple origin points might be named accordingly, like the biceps brachii, which has two origin points (bi- meaning two).

6. Function: A muscle's function or action can influence its name, such as the adductor muscles, which are responsible for adducting (bringing together) body parts.

By combining these different criteria, a unique and descriptive name can be assigned to each skeletal muscle, making it easier for professionals to identify and discuss them.

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1. Carbohydrates  category of macromolecules provides the energy used directly in cells.

2. ADP is given a third phosphate group, which stores energy in the bond is energy stored in ATP.

3. The viral genome integrates into the host genome during the lysogenic cycle, which is the primary distinction between the lytic and lysogenic cycles (option - D) is correct answer.

Viral reproduction happens during the lytic cycle, when a host cell is used to create new viruses, which then burst from the cell. The viral genome is incorporated into the host cell genome during the lysogenic cycle, which causes internal infection of the host cell.

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Answer:

Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.

Answer:

Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.

Answer:

c. The inner core has a lower temperature and higher pressure than the outer core

Explanation:

sorry if its wrong but i know the right answer isnt

" The outer core has a higher temperature and more pressure than the inner core" (PS, I took the test )