what were the main outcomes of the experiments performed by frederick griffith (1928)? question 5 options: he found that heat-treated viruses killed mice. he found that a mixture of living rough-type and dead smooth-type bacteria killed mice. he found that living rough-type bacteria did not kill mice. he found that dead rough-type bacteria killed mice. he found that dead smooth-type bacteria killed mice. he found that living smooth-type bacteria killed mice.

Answer:

if you mean plate tectonics then they move at a slow, steady pace.

Explanation:

did you know plate tectonics plate tectonics move real slow. theres convection in the mantle and it makes them go, hot magma rises up above and cool rock sinks below, it causes plate tectonics plate tectonics, here we go.......................................... yeah its a song that has been stuck in my head since that class

The central dogma of molecular biology explains the flow of genetic information, from DNA to RNA, to make a functional product, a protein.

DNA - RNA - PROTEIN

The information in the DNA of every cell is converted into small, portable RNA messages. During translation, these messages travel from where the DNA is in the cell nucleus to the ribosomes where they are ‘read’ to make specific proteins.

The characteristics or adaptations the extinct organisms lack to not be able to survive during the triassic jurrasic period is adaptation for burrowing, specialized teeth, and dehydration resistance.

During the Triassic-Jurassic, extinct organisms lacked certain characteristics or adaptations that prevented them from surviving. The following are some examples of such characteristics or adaptations: Adaptations for Burrowing: Many Triassic species had evolved adaptations for burrowing that allowed them to escape harsh environments or predators. However, such adaptations did not help them survive the Jurassic era's drier and hotter conditions.

Specialized Teeth: Various Triassic species had specialized teeth to eat tough plants, which were abundant during that era. But, after the Permian extinction, new plant types emerged, and these specialized teeth did not allow these species to survive. Dehydration Resistance: Many Triassic species could withstand dehydration, which was a necessary adaptation in arid conditions. However, the Jurassic era had much drier and hotter conditions, which meant that the species could not withstand the new environmental conditions.

In summary, the lack of suitable adaptations for the new environmental conditions, particularly the drier and hotter conditions, was one of the main reasons why certain extinct organisms could not survive during the Triassic-Jurassic era.

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True.

The part of the brain where habits are formed, known as the basal ganglia, can be activated by events that are rewarding, exciting, unexpected, intense, and cues from the environment associated with those events. The basal ganglia plays a crucial role in habit formation and reinforcement learning. When we engage in behaviors that are associated with positive outcomes or rewards, the basal ganglia is involved in encoding and reinforcing those habits. Similarly, cues from the environment that are linked to rewarding experiences can trigger the activation of the basal ganglia and influence habit formation. Therefore, the statement is true.

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The cross between a pure blue flower and a pure yellow flower is attached as an image. The genotypes of the parents are as follows:

Incomplete dominance is a type of non-mendelian inheritance in which the alleles of a gene are neither dominant nor recessive over one another, hence, an intermediate phenotype is produced.

According to this question, blue and yellow flowers are incompletely dominant to each other in certain flowers.

A cross between BB × YY will produce an intermediate phenotype different from both parents.

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Answer:

People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.

Answer:

c

Explanation:

The genetic code for one amino acid molecule consists of three nucleotides. Thus option C is correct.

Genetic code is defined as a sequence of instructions that directs the translation of DNA into 20 amino acids, which are the basic building blocks of proteins in living cells.

It can also be defined as the collection of instructions that live cells follow to convert information stored in genetic material into proteins.

Nucleotides are defined as a three-subunit chemical molecule consisting of a nitrogenous base, a five-carbon sugar, and a phosphate group.

It can also be defined as the fundamental building component of nucleic acids.

There are basically two types of nucleotides.

Thus, the genetic code for one amino acid molecule consists of three nucleotides. Thus option C is correct.

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A highly nutritious, turbid aquatic ecosystem with a diverse abundance of organisms is commonly referred to as a eutrophic environment.

1. Aquatic Ecosystem: An aquatic ecosystem refers to any ecosystem that consists of water bodies such as oceans, lakes, rivers, and wetlands.

2. High Level of Nutrients: Eutrophic ecosystems are characterized by a high concentration of nutrients, particularly nitrogen and phosphorus. These nutrients can come from various sources such as runoff from agricultural fields, sewage discharges, or natural processes like the decomposition of organic matter.

3. Turbidity (Cloudy Water): Turbidity refers to the cloudiness or haziness of water caused by suspended particles such as clay, silt, or plankton. In eutrophic ecosystems, the high nutrient levels often lead to excessive algal growth, resulting in increased turbidity.

4. Rich in Organisms: Eutrophic environments provide an abundance of resources, including nutrients and sunlight, which support the growth of a diverse range of organisms. Algae, phytoplankton, and aquatic plants thrive in eutrophic ecosystems, providing food and habitat for a variety of organisms such as zooplankton, fish, amphibians, and waterfowl.

5. Eutrophic Environment: Based on these characteristics, an aquatic ecosystem with high nutrient levels, turbidity, and rich organism populations is known as eutrophic. Eutrophication is a natural process that can be accelerated by human activities, leading to imbalances in the ecosystem and potential negative impacts such as harmful algal blooms and oxygen depletion.

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Answer:

To preserve the longevity of the pot.

Answer:

Gravity

Explanation:

Just as the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.

The statement that best compares a molecule that has a trigonal planar shape with one that has a trigonal pyramidal shape is as follows: They both contain three atoms around the central atom (option B).

Hybridisation is the linear combination of atomic orbitals in a molecule to form hybrid orbitals. A chemical compound can possess either a trigonal pyramidal shape or trigonal planar shape.

Trigonal pyramidal is a chemical form that occurs when the central atom in the molecule has three bonds and one lone pair. Sp³ hybridization occurs at the centre atom of molecules with tetrahedral electron pair geometries. The molecule ammonia has a trigonal pyramidal shape.

A trigonal planar molecular geometry compound has a centre atom that is bonded to three additional atoms or groups. The three groups to which it is connected form a triangle around the core atom, with bond angles of 120 degrees, because it has no lone pairs of electron pairs.

The major difference between these two molecular geometry is that trigonal planar geometry has no lone pair of electrons while trigonal pyramidal geometry has lone pair of electrons.

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Bile flows from the liver through bile ducts to the gallbladder. It then moves through the common bile duct, ampulla of Vater, and into the duodenum.

Bile is produced in the liver and plays a crucial role in digestion. It flows through a series of structures from the liver to the duodenum. The journey of bile can be summarized as follows:

1. Liver: Bile is produced in the liver and secreted into tiny bile canaliculi within the liver lobules.

2. Bile Ducts: Bile canaliculi merge to form bile ducts, which further unite to form larger ducts known as the right and left hepatic ducts.

3. Common Hepatic Duct: The right and left hepatic ducts join together to form the common hepatic duct.

4. Gallbladder: The common hepatic duct is connected to the gallbladder through the cystic duct. The gallbladder stores and concentrates bile.

5. Common Bile Duct: Bile is released from the gallbladder through the cystic duct into the common bile duct.

6. Ampulla of Vater: The common bile duct merges with the pancreatic duct at the ampulla of Vater, located in the duodenal wall.

7. Duodenum: Finally, the bile flows into the duodenum, where it aids in the digestion and absorption of fats.

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The correct question is:

Trace the flow of bile from the liver to the duodenum, listing all the structures that come into contact with the bile on its journey.

Decreased gene expression in Drosophila during early development causes a decrease in the anterior structure of the thoracic segment. Segmentation Gene Gene Type Most Likely.

Segmentation genes are genes involved in the early stages of pattern formation, defining repeating units (metamers) in segmented organisms (usually embryos). They are divided into 3 groups: Gap genes, pair rule genes, segment polarity genes. A segmental gene is a general term for genes that have the function of specifying the organizational pattern of each repeating unit of a segmented organism. Animals are made up of segments. However, Drosophila segments also contain compartmentalized compartments. A gene is a segment of deoxyribonucleic acid (DNA) that encodes a specific protein that functions in one or more cell types in the body.

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Answer:

The correct answer is - option A.

Explanation:

The ecological footprints can be understood simply by that it is an activity that is measured to produce a product in terms of consumption of resources like land or water and other resources.

Purchasing a specific type of food from local farms does not affect the ecological footprint of vera. Transportation is also included in the ecological footprint as it is also counted as one of the resources required.

Thus, the correct answer is - option A.

The trade-off between reproduction and energy expenditure is a balancing act that organisms must constantly navigate in order to maximize their fitness and ensure their survival.

After reviewing the Reproduction and Energy article, I believe that the reason for the trade-off between reproduction and energy expenditure is due to the limited amount of resources available to an organism. In order to allocate enough energy towards reproduction,

an organism must divert resources away from other processes, such as growth or maintenance. This allocation of energy is often determined by environmental conditions and the need for survival.

In times of limited resources or unfavorable conditions, an organism may prioritize survival and delay reproduction until conditions improve.

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Answer:

E. Large molecules

Explanation:

Large molecules cannot pass through the membrane without help they are too big. This is because the membrane is very selective with what it let enters.

Anaerobic glucose breakdown produces a compound called lactic acid as a by-product.

Anaerobic glucose breakdown produces a compound called lactic acid as a by-product. This process, also known as anaerobic respiration or fermentation, occurs in the absence of oxygen. During anaerobic respiration, glucose is converted into energy in the form of ATP (adenosine triphosphate) by a series of chemical reactions that do not require oxygen. However, this process is not as efficient as aerobic respiration, which requires oxygen and produces more ATP.

As a result, anaerobic respiration produces lactic acid as a by-product, which can build up in the muscles and cause fatigue and soreness. Lactic acid is also produced in other organisms, such as bacteria and fungi, during fermentation. Overall, anaerobic glucose breakdown plays an important role in providing energy to cells when oxygen is not available, but it is not as effective as aerobic respiration in terms of energy production.

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Answer:

Explanation:

1) d

2) a

3) b

4) b

5) c

6) a

7) a

8) d

hope this helps

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Of the available options, the first one states that cellulose is a structural part of the hair, this is not correct for several reasons, first cellulose is a biopolymer characteristic of cellular walls in plants, and it's not present in animal cells, secondly human hair is formed mainly of keratin a protein, therefore their basic units are amino acids, not carbohydrates. Therefore taking this into consideration, the correct answer is option 1.

green was not the impostor

Explanation:

u are all idiots

Answer:

gerijddhbdykbzdkvci

Answer:

The correct answer is 50%.

Explanation:

In the given question, the table says that fruit color is determined by the incomplete dominance of allele R and R'. In the case of RR genotype the fruit color will be red and R'R' the food color will be yellow but in the heterozygous condition the color would be orange, so the cross between RR' and R'R' would be as follow:

Punnett square:

      R       R'

R'    RR'   R'R'

R'    RR'   R'R'

It is found by the given cross that the cross between RR' and R'R' would form two orange fruit plants out of four which is 50%

Answer:

x shaped

Explanation:

all chromosomes are x shaped even the male determining it's just that one end is shorter but it's still there

Answer:

Chromosome are long threads

Explanation:

Chromosomes don't have a shape but they are long threads of DNA. Chromosome is made up of (histone) proteins and DNA.

mechanical advantage is the number of times that a machine increases an input force

quia dot com

Answer:

The force of the Machine is the Answer

Explanation:

The diagrams show how the zygote looks immediately following one cell division is W, the correct option is (A).

After fertilization, the zygote undergoes mitotic divisions to form a multicellular organism. The first cell division occurs within 24 hours of fertilization and results in two cells, followed by subsequent divisions resulting in a four-cell stage. Option B refers to the stage of embryo development that occurs after two rounds of cell division, resulting in four cells.

Option C refers to a stage where the embryo has developed into a solid ball of cells with no differentiation between them. Option D refers to a later stage of embryo development, where the embryo has differentiated into two distinct cell types and formed a fluid-filled cavity, the correct option is (A).

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The correct question is:

During fertilization, a haploid sperm cell unites with a haploid egg cell to form a diploid zygote, as shown below. Which of the following diagrams shows how the zygote looks immediately following one cell division?

A. Y

B. X

C. W

D. Z

Answer:

A nerve fiber that conducts impulses toward muscles and glands is called a _____motor_____ fiber. A nerve that conducts impulses toward the brain and spinal cord is called a ______afferent____ fiber.

A nerve fiber that conducts impulses toward muscles and glands is called a motor neuron fiber. A nerve that conducts impulses toward the brain and spinal cord is called a sensory nerve fiber. Both are important for the proper functioning of the body.

The sensory nerve fibers send the stimulus in the form of an impulse from the sensory organs to the spinal cord, where the sensory organs can be skin, eyes, etc. An example is when a person sees a dog coming towards them, and the sensory nerve fiber that is associated with the eye sends the signal from the eye to the spinal cord. The spinal cord takes proper action by sending the motor nerve fibers to the effector organ, which is the leg muscle. In this case, the individual will run.

Hence, A nerve fiber that conducts impulses toward muscles and glands is called a motor neuron fiber. A nerve that conducts impulses toward the brain and spinal cord is called a sensory nerve fiber.

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The non-green sections of plants, the ground tissue cells do not have chloroplasts for photosynthesis and do not have hollow tubes for material transfer.

Materials are the substances or mixtures that are utilised to build or make items. They are employed in a variety of sectors, including electronics, manufacturing, transportation, and construction, and they can be natural or synthetic.

Metals, polymers, ceramics, fabrics, woods, and composites are a few examples of materials. Each substance has distinctive physical and chemical characteristics that make them each ideal for particular uses. For instance, while plastics are regarded as having flexibility and capacity to be moulded into intricate designs, metals are frequently employed for their durability and strength.

The Science of materials is an investigation.

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The answer is A. They have large vacuoles that store materials