Clastic rocks are grouped by the size of the ? they contain.

Answer:

B

The discovery of DNA and genes would imply that traits come from genes, which are found in DNA. Mutations create variations, which prove Darwin's theory to be correct; if natural selection was a random process that made organisms better suited to their environment, then there would not be genetic variability in any organisms.

Answer:

Wait there bones look like that

Explanation:

I did not know that they look like that the more you know

The graph of the total number of species found in an area against the percentage of land under protection would show a positive correlation.

This is because as the percentage of land under protection increases, it is likely that there would be more resources available for species to thrive and more opportunities for habitat restoration and conservation efforts. Additionally, protected areas often provide important ecosystem services that support biodiversity, such as water filtration, carbon sequestration, and soil conservation.

However, it is important to note that the relationship between protected areas and biodiversity is complex and may depend on a variety of factors, such as the size and location of the protected area, the level of protection and management, and the characteristics of the species and ecosystems in question.

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Answer:

Organic fertilizers continue to improve the soil long after the plants have taken the nutrients they need. Therefore, the longer your soil is fed with organic fertilizers, the better its composition and texture. So, while inorganic fertilizer is cheaper in the short term, it adds less to the soil in the long term.

Answer:

codons

Explanation:

Answer: OO x AO = AO, OO, AO, OO

Ratio: 2:2.

Explanation:

Answer:

An interesting feature of the fully mature erythrocyte is that has no nucleus.

Explanation:

Erythrocyte, or red blood cell, is an element of the blood responsible of the transporting of oxygen and carbon dioxide, thanks to the presence of a hemoglobin molecule.

The mature red blood cell is not considered a true cell because of the absence of a nucleus, which it loses at maturity. The reason for this is to have space to contain the hemoglobin.

A red blood cell is formed from hematopoietic cells, following the erythrocyte cell line. In their immature form they are equipped with a nucleus.

The other options are not correct because:

Answer:

Convection and conduction are the two most prominent methods of heat transfer in liquids and gases.

The correct answer is option D) 4 short, 0 long.

A phenotypic ratio is a quantitative relation between phenotypes showing the number of times the frequency of one phenotype correlates with another. When a researcher would like to obtain the gene expression for generations of an organism, they use the phenotypic ratio obtained from a test cross.

There are two dogs that are heterozygous for black coat color. In this breed, black fur is dominant over white fur. Thus, heterozygous dogs and homozygous dominant dogs have the same phenotype of black fur and homozygous recessive individuals have white fur.

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Answer:

C. 2 short, 2 long

Explanation:

Answer:

polypeptide

Explanation:

Its the answer.

Answer:DNA replication, transcription, and RNA processing all take place within the nucleus, with only the final stage of gene expression (translation) localized to the cytoplasm.

Explanation:

i hope this is right but if not I’m sorry

Answer:

broken down and absorb into the blood

.Agriculture comes from different crops according to archeological theory, there are eight plants that made the origins of agriculture on our planet, like rice. People started farming in different parts of the world and it started independently.

The statement is false

Enzymatic activity is affected by pH and temperature. A) a- 6 pH. b- affect the whole molecule structure, and the proteins functions. B) a- 45ºC. b- The enzyme denaturalizes and its functions are affected.

Enzymes, like all proteins, are polypeptidic molecules. They need to get an accurate tridimensional structure to accomplish their functions. There is a limited temperature and pH level at which they lose that structure and denaturalize.

The most accurate configuration for the best catalytic performance depends on the charge of the lateral chains and the environmental pH.

Enzymes have ionizable chemical groups in the side chains of their amino acids. Depending on the environmental pH, these groups will have a positive, negative, or neutral charge. There is an optimum pH level at which enzymes get the best configuration to accomplish their functions.

Most enzymes are sensitive to any change in pH, which might drastically affect their activity. So every enzyme has its optimum pH level, and any slight deviations will cause the enzyme denaturalization, hence, its activity loss.

In general, the increase in temperature accelerates chemical reactions.

The temperature at which the enzymatic activity is the highest is known as the optimum temperature.

⇒ When the environmental temperature is lower than the optimum, there is a slow enzymatic activity.

⇒ When the temperature exceeds the optimum point, the enzymatic activity sharply decreases. It denaturalizes the enzyme. Over this level, the reaction velocity is counteracted by the loss of the catalytic activity due to denaturalization. Enzymatic activity decreases until it completely annulates.

Graph A:

a) pH optimum: 6 aproximately.

b) Outside the pH optimum, the enzyme does not function because the lower or higher levels of pH affect side chains by changing the ionized state of amino acids, which alter the bonds that keep the stable molecule structure. Under these situations, the molecule loses its functions.

Graph B:

a) Optimum temperature: 45ºC aproximately.

b) At extreme temperatures the enzyme denaturalizes and the molecule does not get to accomplish its functions.

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Researchers have found that relationships between aging parents and their children are often characterized by ambivalence (option D).

The term ambivalence in terms of affective parental relationships can be defined as the use of contradictory ideas and concepts during learning, which may be associated with serious phycological problems in children because it may lead to the lack of understanding of the role of parents during parental care.

The ambivalence in terms of affective parental relationships psychological may generate a problem between opposing ideas and it is usually experienced as leading to different concepts between two or more alternatives.

Therefore, with this data, we can see that ambivalence in terms of affective parental relationships is a negative outcome because it is associated with contradictory ideas and or concepts during the process of learning in children.

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Answer: Biodiversity, succession, services

Explanation:

I just had this on a test and got it right

Brianna's doctor has advised her to eat no more than 30 grams of carbohydrates per day for her snacks.

If she eats two servings of each of the foods listed, she will consume a total of 46 grams of carbohydrates. This is because each serving of granola contains 15 grams of carbohydrates and each serving of fruit contains 11 grams of carbohydrates.

Granola: 15 grams of carbohydrates, 5 grams of dietary fiber = 10 grams of digestible carbohydrates

Fruit: 11 grams of carbohydrates, 2 grams of dietary fiber = 9 grams of digestible carbohydrates

Therefore, if Brianna eats two servings of each of these foods, she will consume a total of 39 grams of digestible carbohydrates, which is below her doctor's recommended limit of 30 grams.

2 servings of granola × 10 grams of digestible carbohydrates per serving = 20 grams of digestible carbohydrates

2 servings of fruit × 9 grams of digestible carbohydrates per serving = 18 grams of digestible carbohydrates

20 grams of digestible carbohydrates + 18 grams of digestible carbohydrates = 38 grams of digestible carbohydrates

Therefore, Brianna will not exceed her doctor's recommended limit of 30 grams of carbohydrates if she eats two servings of each of these foods.

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Answer: The tools created through HGP provide information to characterize the complete genomes of a variety of other organisms used in biological research. Identifying the sequence or function of a gene in a model organism, has the potential to explain a homologous gene in humans or in one of the other model organisms.

Explanation:

The Human Genome Project (HGP) is an international scientific project that aims to decipher all the information or recipes that we have in each of our chromosomes and interpret their meaning, regulation and functioning in normal and pathological conditions, in order to subsequently use all this knowledge for the benefit of humanity, to be able to repair them in case they are damaged or out of order in the course of our lives.

All of our genes together are known as our "genome". The hereditary material of all multicellular organisms is the deoxyribonucleic acid (DNA) double helix, which contains all our genes. The DNA, in turn, is made up of four chemical bases. All genes are made up of sections of these four bases, arranged in different ways and at different lengths.

HGP researchers have decoded the human genome in three main ways because they have:

This final HGP  product has given the world a resource of detailed information on the structure, organization, and function of the entire set of human genes. This information can be considered as the basic set of inherited "instructions" for the development and function of a human being. The tools created through HGP also continue to provide information to characterize the complete genomes of a variety of other organisms used extensively in biological research, such as mice, fruit flies, and flatworms. These works support each other because most organisms have many similar genes, or "homologues," with similar functions. Therefore, identifying the sequence or function of a gene in a model organism, has the potential to explain a homologous gene in humans or in one of the other model organisms.

Answer:

Fruits, vegetables, spices, cereals, Wood, Fibres, Cotton, perfumes, dyes, and most importantly medicines.

Explanation:

Plants play a major role in the preparation of several useful drugs and antibiotics.

Answer:

It is an important part of many cells and processes such as amino acids, proteins and even our DNA. Nitrogen is used to construct the basic building blocks of life, such as amino acids, nucleic acids, and proteins.

Explanation:

Answer:

Neurons; glia

Explanation: i took the test!

Neurons have structure and a functional role and the glia have a supportive role because glial cells nourish the neuron but do not carry nerve impulses, hence option c is correct.

Neurons may be divided into three fundamental kinds based on how they function: relay neurons, which have long dendrites and short axons, and motor neurons, which have short dendrites and long axons (short dendrites and short or long axons).

The neurons and glial cells make up the nervous system, while the glia primarily serves to influence neuron activity and transmission, neurons produce and transmit electrical and chemical impulses.

Glial (Neuroglial) cells maintain, feed, and shield the neurons but do not carry nerve impulses. Compared to neurons, glial cells are much more abundant and have the ability to undergo mitosis.

Therefore glial cells only feed neurons and can not carry nerve impulses, hence option c is correct.

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Answer:

The answer is Body parts in different animals that have similar structure to each other

Answer:

Sporophytes were branched before the evolution of vascular tissues

In early land plants the gametophytes were branched and complex like the sporophytes

Explanation:

The fossil record shows that early land plants appeared in the Ordovician Period, approximately 470 million years ago (Mya). These plants were non-vascular plants (e.g., mosses and liverworts) which can be recognized as fossilized spores. Thus, the first land plants could not transport nutrients like sugar, water, or minerals around the plant. Nowadays, it is believed that early land plants had gametophyte dominant life cycles (haploid life phase), while vascular tissues evolved as an adaptation to life on land, in the sporophyte (diploid life phase).

Answer:

The answer should be A,if not than sorry!

Answer:

polymer

Explanation:

Hope that helps!

Answer:

B

Explanation:

3 type of cells that perform different functions

Answer:

every cell type preforms the same function

Explanation:

Sea ice in the summer is vanishing The amount of summer Arctic sea ice is decreasing by 13% every decade and becomes younger and thinner.

The majority of the Arctic Circle is made up of ocean, which used to be completely or partially frozen. Although seasonal ice melts sooner in the year and forms later, permanent sea ice is steadily diminishing. More open water is a result of this. But although water is darker and absorbs heat from the sun, ice is brilliant and reflects heat from the sun.

Polar bears must swim farther between large ice floes to get food as a result of the melting of the ice, and many of them perish. In the western Arctic, the depth of snow on sea ice has decreased by more than 33% over the past 30 years.

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Answer:

4)

Explanation:

Gametes have one haploid (n) genome, which is half of somatic cells, having one diploid (2n) genome combined through fertilization from two haploid (n) gametes.

In humans, gametes have 23 chromosomes, and somatic cells have 23 homologous pairs, which is 46 chromosomes.

Different species have different numbers, but most follow the same pattern.