Older adults should participate in muscle-strengthening exercise at least
twice a week.
once a week.
twice a month.
three times a week.

Answer:

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Explanation:

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In animals, fertilization is to zygote, as meiosis is to (5) gamete.

Fertilization is the process of fusion of the male and the female gamete in order to form new organism which is diploid in nature. This process occurs only in the sexual mode of reproduction and unlike asexual reproduction, presence of two parents is essential in this.

Gamete is the germ cell that is involved in the process of sexual reproduction, in order to give rise to a new organism. Gamete is haploid in nature because it fuses with another gamete of the opposite sex in order to establish the diploid nature.

The question is incomplete, the complete question is:

In animals, fertilization is to zygote as meiosis is to which of the following?

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Practical sciences are sometimes left out by teachers due to limited time and resources in educational institutions and may prioritize theoretical knowledge over practical application.

Additionally, practical sciences often require specialized equipment, facilities, or materials, which may not be readily available in schools. Moreover, teachers may feel more comfortable with traditional teaching methods and may lack the training or expertise to effectively integrate practical sciences into their curriculum.

Standardized tests and assessment frameworks that focus on theoretical concepts further discourage the inclusion of practical sciences. However, recognizing the importance of hands-on learning experiences, efforts should be made to bridge this gap and promote the integration of practical sciences into educational settings.

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Answer:

If  parents who are  recessive for a certain trait

Explanation:

The experience that led an engineer to invent Velcro Finding burrs stuck to his dog's fur

The brand name of a fastening used in clothes is Velcro. Less frequently used names for this widely used fastener are hook-and-loop fasteners. These closures can be seen on pockets, sneakers, and other clothing items. Touch and close flaps with Hook-and-Loop fasteners are a hallmark of our workplace trousers.

Woven tapes are commonly made from one or more nylon, polyester, and Nomex (a flame-resistant meta-aramid material developed in the early 1960s by DuPont). Each pair has a hook tape and a loop tape with loops made of the same fiber as the woven tape.

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The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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Answer:

no

Explanation:

:/ Bozo

Answer:

second one

Explanation:

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The structure of fatty acids relate to the way they interact with other molecules because they are hydrophobic and hence interact accordingly to several molecules.

Fatty acids are a part of the lipids. These are long chains of carbon that may be saturated or unsaturated. The saturated fatty acids are straight chains whereas kinks can be observed in the unsaturated fatty acids due to double bonds. This kink is essential to provide the fluidity to the membranes.

The fatty acids are hydrophobic because the bonds between the carbon and hydrogen are non-polar. The non-polar nature is responsible for hydrophobicity and thus the fatty acid remains away from the water molecules.

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Answer:

It includes three steps: initiation, elongation, and termination. After the mRNA is processed, it carries the instructions to a ribosome in the cytoplasm. Translation occurs at the ribosome, which consists of rRNA and proteins.

Explanation:

Exp is in the answer telling you

Answer:

Differ

Explanation:

This question seem straight forward but it is descriptive. Exact processes and steps used research usually differ among different fields in science and even scientists. The reasons for this are different.

For instance, scientists try new steps and processes so as to improve on previous processes and safe time. Processes also differ so as to optimize the data used and collected during the course of an experiment.

Some research processes (of a field) also have some processes other research fields do not have, for instance, medical research could include clinical trial while a normal and independent botanical research does not include clinical trial.

Most articles pass right through the atom, this means that most of the atom is an empty space.

An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.

Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.

As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.

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Answer:

Pros:

Cons:

The other three kingdoms are the Monera, Protista, and Fungi, of which the mushroom is an example.

The classification of living organisms into five kingdoms was first introduced by Robert Whittaker in 1969. Apart from the well-known Animalia and Plantae kingdoms, there are three lesser-known kingdoms, namely Monera, Protista, and Fungi.

Monera consists of unicellular organisms such as bacteria, while Protista includes unicellular eukaryotes such as amoebas. Fungi, on the other hand, are eukaryotic organisms that are heterotrophic and acquire their nutrients from other organisms.

The mushroom is a prime example of the Fungi kingdom, and it's the fruiting body of certain fungi that grows above the ground. In conclusion, the Monera, Protista, and Fungi kingdoms are three of the five kingdoms of living organisms, and the mushroom is an example of a member of the Fungi kingdom.

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Answer:

Explanation:DNA extraction is isolation of DNA from the cell

First of all lysis solution is a buffer solution that serves the purpose of breaking those open cells in the experiment of DNA extraction .

Lysis solution is mainly buffer and ionic salts,they create isolated environment for the components of the cell.

The lysis solution contain more than one salt.This salt develops ionic strength in the solution.

Answer:

i dont understand spanish

Explanation:

Answer:

Chaetodermidae elegans is a species of glisten worm, a kind of shell-less, worm-like mollusk in the family Chaetodermidae. This species is found in the Eastern Pacific Ocean.

Explanation:

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A testable hypothesis is one that can be tested through empirical research, meaning that it is possible to gather evidence to support or refute it.

A hypothesis is a possible explanation that is proposed for a phenomenon that occurs in nature. In the scientific method, hypotheses are tested by collecting and analyzing data to either support or reject them.

A testable hypothesis could be formed from a question by using the following steps:

Identify the phenomenon that you want to study: Start by identifying the phenomenon that you want to study. This could be a relationship between two variables or a question about how something works. Develop a research question: Based on the phenomenon you want to study, develop a research question that can be answered through empirical research. This question should be specific and should be able to be tested using scientific methods. Formulate a hypothesis: Using your research question, formulate a hypothesis that can be tested through empirical research. This hypothesis should be a statement that proposes a possible explanation for the phenomenon you are studying. It should be clear, concise, and testable.

Test the hypothesis: Once you have developed a testable hypothesis, you can design and conduct experiments to gather data that will either support or refute the hypothesis. If the hypothesis is supported by the data, you can consider it to be a valid explanation for the phenomenon you are studying. If the data refute the hypothesis, you may need to revise it or develop a new hypothesis.

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Answer:

A place that receives less than 10 inches (25 centimeters) of rain per year is considered a desert. Deserts are part of a wider class of regions called drylands.

Explanation:

Answer:

to make the body strong

Answer:

Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

Since the two individuals are heterozygous, the genotypes they will have for freckles will be Ff for each. The probability of having a child with freckles will be 75%.

Heterozygous refers to the presence of two different forms of the allele for a trait. These two different alleles are actually the contrasting forms of a gene. For example, the trait height can have two contrasting alleles one for tall and one for dwarf.

Genotype refers to the genetic make-up or constitution of an organism. This genetic constitution can be for the entire genome or for any particular trait. The genotype also provides insight about the allelic combinations.

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