12. Which of the following would exert pressure on a population of squirrels?
a. Disease
b. Predators
C. Availability of food
d. All of the above

Answer:

In an anticodon the base that will pair with the base adenine in a codon is uracil.

Explanation:

Answer:

B)granitic

Explanation:

Answer:

granitic

Explanation:

the continental crust is compost mostly of granite

Answer:

interphase, prophase, metaphase, anaphase, telophase, and cytokinesis.

Explanation:

It is the regular sequence of growth and division that cells undergo in their life.

The phrase "the cat ate the large rat" would become "the cat ata eth ebi gra t" as a result of a nonsensical mutation. One of the four primary kinds of mutations that can develop in DNA is a nonsense mutation. Deletion, missense, insert, and silent mutations are the four primary categories of mutations.

what type of mutation would change the sequence to "the cat ata eth ebi gra t?"

If the wild type DNA sequence reads "the cat ate the big rat," A nonsense mutation would change the sequence to "the cat ata eth ebi gra t."Nonsense mutations are mutations in DNA that cause the formation of stop codons in mRNA. As a result, these mutations result in the production of a truncated protein product that is usually nonfunctional or unstable.

Therefore, a nonsense mutation would result in a sequence change from "the cat ate the big rat" to "the cat ata eth ebi gra t." Nonsense mutations are one of the four main types of mutations that can occur in DNA. The four main types of mutations are deletion, missense, insertion, and silent mutations.

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Answer:

1. A  2.B  3.B 4.C 6.A 7.B 8.C 9.D

Explanation:

Explanation:

Density=

\( \: density = \frac{mass}{volume} \)

\( = \frac{1}{1.1} \\ = 0.91 {gcm}^{ - 3} \)

The percentage of yeast cell cycles growing in a nutrient-poor environment of yeast cell cycles growing in a nutrient-rich environment is about 168.

The nutrient-rich yeast cell cycle lasts about 90 minutes or 1.5 hours.

The nutrient-poor yeast cell cycle lasts about 161 minutes or 5.3 hours.

So that, (161/98) x 100

The answer is 168 %.

In the yeast cell cycle, cell growth and cell division are closely linked and depend on factors such as nutrient concentrations. If the media is rich in nutrients, yeast cell division will be relatively fast because there is sufficient energy available. Meanwhile, in nutrient-poor media, the division is inhibited due to limited energy availability.

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Answer:

photosynthesis did not occur.. because if photosynthesis had occured oxygen would be produced..but the tubes turned green proving there was more carbondioxide than oxygen Which proves photosynthesis didn't take place.

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As the test tube turned green, it means that photosynthesis did not occur in the test tubes.

Bromothymol blue (BMB) is a dye that turns yellow when exposed to acid. When carbon dioxide is added to a solution, it produces carbonic acid, which lowers the pH.

When the pH is greater than 7.6, BMB is blue, green when the pH is between 6-7.6, and yellow when the pH is less than 6.

Carbon dioxide dissipates in water to produce a weak acid. As a result, an acid-base indicator like bromothymol blue (BTB) can be used to detect the presence of CO2.

The person basically use bromothymol blue as an indicator to determine how much CO2 remains in test tubes containing light-exposed plants.

Thus, as there were some drawbacks in the experiment, the test tube B and D got green color, which means the level of carbon dioxide were more. This implies, photosynthesis did not occur.

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A Punnett square is a graphical illustration that predicts the outcome of a genetic cross by specifying the gametes of each parent at the top and left-hand side of the square. The resulting offspring's genotype can be determined by the intersection of the parental gametes in the Punnett square.

It can also be utilized to predict the proportion of phenotypes produced in the offspring when dealing with traits governed by a single gene. The following are the general steps for using a Punnett square to predict the probability of inheriting a trait:

Determine the parental genotype. The letters for the dominant allele are typically represented by uppercase letters, while those for the recessive allele are represented by lowercase letters. (Eg. BB and bb are two purebred parental genotypes)

Write the gametes for each parent along the top and left sides of the Punnett square. If both parents are heterozygous, they each have a 50/50 chance of producing a dominant or recessive allele.

Combine the gametes to produce possible offspring genotypes. The letters within the Punnett square's boxes represent the resulting offspring genotypes.

Determine the probability of each genotype by dividing the number of squares with that genotype by the total number of squares.

Determine the phenotype for each genotype. A phenotype is the observable characteristic that results from the genotype. (Eg. BB and Bb genotypes both produce a dominant phenotype, while bb genotypes produce a recessive phenotype)The genotypes represent the genes that are transmitted to the offspring by the parent.

A phenotype, on the other hand, is the physical or observable characteristics of the trait produced by the genotype. For example, flower color in pea plants is determined by a single gene, with the dominant allele (P) producing purple flowers and the recessive allele (p) producing white flowers.

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Answer:

primary consumers

Explanation:

I hope this helps

Dams preserve water, generate power, cause mass migration, and are expensive. Dams regulate water supply for domestic, industrial, and electric uses.

A dam is a structure that stops or slows the flow of water on the surface or in the ground.

Advantages of building a dam are:

Disadvantages are:

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Answer:

1. Inflorescence: The specific pattern of flower arrangement of a plant.

2. Epidermis: The outermost layer of plant cells or tissue, providing a covering for the plant body.

3. Energy: The capacity to do or perform work.

4. Parenchyma: The most common plant cell, found in practically all parts of the plant body.

5. Sclerenchyma: A plant cell of a long fiber type or variable sclereid type.

6. cytoplasm: All the organic substances located between the nucleus and cell membrane.

7. Phloem: The food-conducting tissue of a plant's vascular or transport system.

8. xylem: The water and mineral conducting tissue of a plant's vascular or transport system.

9. Carpel: A leaflike part of the flower where seeds are produced.

10. Sepal: A flower part; the outermost ring of leaflike appendages of a flower.

11. Collenchyma: Oblong cells with unevenly thickened walls for support in young stems.

12. Tissue: A group of similar cells (simple tissue), or unlike cells with a specialized common function (complex tissue).

13. Stamen: A flower part; a ring of pollen-producing appendages of a flower.

14. Petal: A flower part;a ring of pollen-producing appendages of a flower.

Sorry took a while to type,  I hope it helps:)

Answer: 44 chromosomes

Explanation:

Answer:

"The reproductive cells of a dolphin each contain 22 chromosomes."

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A dysfunctional nervous system has many effects on other systems.

The nervous system is a system that carries out some critical functions.  It sends messages through the entire brain and the body. The brain controls all the functions in the human body, without which the body will shut.

A dysfunctional nervous system can affect every part of the human body. this includes disfunction of any part, weakness, and low functioning ability of the body or certain parts. This can eventually lead to the death of the person.

Problems like mood swings, depression, anxiety, etc, normally occur due to a dysfunctional nervous system.  

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When teaching a client with diabetes about monitoring for episodes of hypoglycemia, the nurse should tell the client to check for symptoms like feeling shaky, weakness, cold, headache, nausea.

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Answer:

B: The male cat is XY, while the female cat is XX, and the Y chromosome is

smaller than the X.

Explanation:

Y chromosomes are smaller than X chromosomes so the mass of DNA is smaller in male cells than female cells

The Y chromosome is smaller than the X chromosome. So, there is less nucleotide in the DNA of a female cat. Hence, option B is correct

DNA stands for deoxyribonucleic acid and it is a polymer of nucleotides. It is double-stranded in structure. It is hereditary material present in the cells of organisms. Nucleotides consist of pentose sugar, nitrogenous bases, and phosphate.

DNA is organized in the nucleus in the form of dense protein complexes known as chromosomes. 38 chromosomes are present in cats. There are two types of chromosomes in cats X and Y. Male cat contains XY chromosomes and female cat contains XX chromosomes. The Y chromosome is shorter than the X chromosome.

Therefore, the normal range of the mass of DNA in a male cat cell is lower than that of a female cat. Hence, option B is correct

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Answer:

Explanation:

Have a great day ahead........

Answer:

Test 3

Explanation:

Im working on the same assignment with the same question for online school and when it asked me that question i clicked test 3 and it said correct :)

The correct answer is True. In many tribal societies, the organizing political unit is the clan, comprised of people who consider themselves descended from a common ancestor.

In many tribal societies, the organizing political unit is the clan.

A clan is comprised of people who consider themselves descended from a common ancestor.

The members of a clan share a sense of kinship and belonging.

The clan serves as a social and political unit within the larger tribal society.

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Answer:

Genotype

Explanation:

Phenotype refers to traits that physically appear, genotype refers to genetic traits

Heart rate at rest under both autonomic divisions signaling is (d) vagal tone.

Vagal tone refers to the level of activity of the vagus nerve, which is part of the parasympathetic division of the autonomic nervous system. The vagus nerve plays a crucial role in regulating heart rate. At rest, under normal conditions, the parasympathetic nervous system dominates, and the vagus nerve releases acetylcholine, which slows down the heart rate. This results in a lower heart rate and represents the influence of vagal tone.

Cardiac reserve refers to the ability of the heart to increase its output in response to increased demand, such as during exercise. It is not directly related to heart rate at rest.

Bradycardia refers to an abnormally slow heart rate, typically below 60 beats per minute. Tachycardia, on the other hand, refers to an abnormally fast heart rate, typically above 100 beats per minute. These terms describe specific heart rate abnormalities and are not directly related to the autonomic divisions signaling at rest.

Therefore, the correct answer is d) vagal tone.

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Answer:

Stocking

Explanation:

Dweck uses the word predictability to describe the way our beliefs about ability dictate what goals we set for ourselves, what we think we can learn, and ultimately what we do learn.

Relation between predictability and mindset:

The sentence "Dweck uses the word predictability to describe the way our beliefs about ability dictate what goals we set for ourselves, what we think we can learn, and ultimately what we do learn" means that our belief system is responsible for our predictability, which influences the goals we set for ourselves, our knowledge, and what we learn in the end.

What is meant by mindset?

An individual's mindset is a significant predictor of their future success. The belief that our intelligence and abilities may grow and evolve over time and through the application of effort distinguishes a growth mindset from a fixed mindset. A fixed mindset is one in which a person believes that their abilities and talents are set in stone, and no amount of effort or learning can improve them.

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The correct match of the ecology terms with their definitions is as follows:

Ecology is the branch of biology dealing with the relationships of organisms with their environment and with each other.

Some ecological terms were given in this question and are described as follows:

Abiotic factors are nonliving, inanimate, characterised by the absence of life; of inorganic matter.

Renewable resources are natural resources that is replenished by natural processes at a rate comparable to its rate of consumption by humans or other users.

Heterotrophs are organisms which requires an external supply of energy in the form of food as it cannot synthesize its own.

Decomposers are organisms that feed off decomposing organic material, especially such a bacterium or fungus.

Biotic factors are those pertaining to, or produced by life or living organisms.

Scavengers are animals that feeds on decaying matter such as carrion.

Population is a collection of organisms of same species, sharing a particular characteristic of interest, most often that of living in a given area.

Omnivore is an animal which is able to consume both plants (like a herbivore) and meat (like a carnivore).

Limiting factor is a condition that limits the growth or abundance of a population of organisms in an ecosystem.

Ecosystem is the interconnectedness of organisms (plants, animals, microbes) with each other and their environment.

Herbivores are organism that feeds chiefly on plants; an animal that feeds on herbage or vegetation as the main part of its diet.

Invasive species are species that has been introduced to an environment where it is not native, and that has since become a nuisance through rapid spread and increase in numbers, often to the detriment of native species.

Carnivore is an organism that feeds chiefly on animals; an animal that feeds on meat as the main part of its diet.

Autotroph is any organism that can synthesize its food from inorganic substances, using heat or light as a source of energy.

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As the skateboarder moves, several energy transformations take place within their body. Some of the energy transformations include:

1. Chemical energy to kinetic energy: When the skateboarder pushes off the ground, the energy stored in the chemical bonds of their muscles is converted into kinetic energy, which is responsible for their motion.

2. Kinetic energy to gravitational potential energy: As the skateboarder moves up a ramp, their kinetic energy is converted into gravitational potential energy.

3. Gravitational potential energy to kinetic energy: When the skateboarder moves down the ramp, the gravitational potential energy is converted back into kinetic energy.

4. Kinetic energy to thermal energy: As the skateboarder moves, they also experience frictional forces which convert some of their kinetic energy into thermal energy.

5. Chemical energy to thermal energy: The continuous movement of the skateboarder requires the energy stored in their muscles to be converted into thermal energy, which is released as heat.

I hope that the assistance I provided was helpful.

The motion of the skateboarder is powered by energy transformations that occur within their body. As the skateboarder moves, their body converts stored chemical energy (from food) into kinetic energy, which is the energy of motion. This conversion happens through a series of complex biochemical processes that occur within the skateboarder's muscles.

When the skateboarder pushes off the ground, their leg muscles contract, converting chemical energy stored in the form of ATP (adenosine triphosphate) into kinetic energy as the legs move and the skateboarder accelerates. As the skateboarder continues to move, the muscles in their body work together to maintain balance and control, converting chemical energy into kinetic energy and potential energy as the skateboarder jumps, turns, and performs tricks.

Additionally, the skateboarder's body also experiences other forms of energy transformation during this process. For example, as the skateboarder moves, their body generates heat through metabolic processes, which is a form of thermal energy. The skateboarder also loses energy through friction with the ground and air resistance, which is converted into heat and sound energy.

In summary, the motion of the skateboarder is powered by a series of complex energy transformations that occur within their body. These transformations involve the conversion of stored chemical energy into kinetic and potential energy, as well as the generation of heat and sound energy through friction and air resistance.