I need help in a test pls 35 points

Classifying an igneous rock as a breccia is based on its texture, whereas the classification of scoria and pumice is more closely related to their composition.

Breccias are igneous rocks made of angular fragments of older igneous rocks that were expelled by the volcanic blast or pyroclastic flow. The term "breccia" is frequently used to describe clastic sedimentary rocks made up of sizable, acutely angled fragments that are encased in a fine-grained matrix of smaller particles or mineral cement. The term "tectonic breccia" refers to breccia produced by folding, faulting, magmatic intrusions, and related forces.

Vesiculation is severe in scrorea and pumice. A highly vesicular basaltic lava with tiny ( 1mm) vesicles is called scorium. It is known as lava rock among landscapers.

Pumice is a felsic volcanic glass froth. It is a type of rock foam with so much air in it that it frequently floats on water. Fresh pumice has a glassy texture, as can be seen by close inspection.

To know more about igneous rock

brainly.com/question/1743302

#SPJ4

Anthropologists use genetic data to explore a variety of questions related to human history and behavior.

They employ a range of approaches, including medical anthropology, molecular anthropology, forensic anthropology, and Mendelian anthropology. These areas of study allow anthropologists to gain insight into a wide range of phenomena, including human origins, dispersals, evolution, adaptation, demography, health, disease, and animal domestication.

Medical anthropologists use genetic data to study the health and well-being of populations, with a focus on the social, cultural, and environmental factors that impact human health. Molecular anthropologists use genetic data to trace the evolutionary history of our species, exploring topics such as human migrations, adaptations, and the origins of different populations.

Learn more about Anthropologists at : https://brainly.com/question/27268699

#SPJ4

The specific activity of an enzyme is that  It provides a useful estimate of an enzyme's concentration.

An enzyme is a type of protein molecule that acts as a biological catalyst to increase the rate of a chemical reaction. Enzymes are found in all living organisms and play a crucial role in maintaining life by facilitating the thousands of chemical reactions that occur in cells. They do this by lowering the activation energy required for a reaction to take place, making it more likely to occur at a faster rate.

Enzymes are highly specific, meaning they will only catalyze one or a few related reactions, and they do not change the overall energy balance or the products of the reaction.

Learn more about enzymes:https://brainly.com/question/14953274

#SPJ1

It is TRUE that Mark and Lauren are both lean, therefore it stands to reason that their future offspring will also be lean.

The study of heredity and the transmission of genes from one generation to the next is known as genetics. In addition to exercise, the basal metabolic rate and index, nutrition, the amount and type of activity, age, and sex, among other things, it is one of the elements that determines body fat. The genes one is born with cannot be changed, thus some people are just genetically predisposed to storing more or less fat. The location of body fat accumulation can also be influenced by genes.

To know more about genetics

brainly.com/question/8365294

#SPJ4

A checkpoint is a step in the eukaryotic cell cycle where the cell assesses internal and external stimuli and "decides" whether or not to divide.

There are several checkpoints, but the three most essential are as follows:

The spindle checkpoint, which occurs during the transition from metaphase to anaphase.

The G 1 1 start subscript, 1, end subscript checkpoint is a cell's fundamental decision point, at which it must decide whether or not to divide.

Learn more about checkpoint

https://brainly.com/question/117328

#SPJ4

A speaker should use this tactic to reinforce key messages or add drama and anticipation to a presentation is called as purposeful pauses. So, the correct option is D.

A presentation is defined as a way of conveying information from a speaker to an audience usually a demonstration, introduction, lecture or speech designed to inform, persuade, inspire, motivate, create goodwill or create a new Idea/product is meant to be presented.

When someone present his/ her presentation, a speaker should use this tactic to reinforce key messages or add drama and anticipation, this type of method is called purposeful pauses.

Therefore, the correct option is D.

Learn more about Presentation, here:

https://brainly.com/question/17173752

#SPJ1

The correct statement is that the total progeny of the test cross consists of A and B are tightly linked, but C is assorting independently. Correct answer: letter C.

The testcross is a type of mating between two organisms that are heterozygous for one or more traits. This type of cross is used to determine the genotype and phenotype of the offspring and to study the nature of genetic inheritance.

In the testcross, a heterozygous individual is crossed with a homozygous recessive individual. This type of cross is used to determine the genotype of the heterozygous parent, since all the offspring of the cross will be homozygous recessive and will express the phenotype of the recessive allele.

Learn more about The testcross:

https://brainly.com/question/29602636

#SPJ4

A testcross is made by crossing a heterozygous Aa Bb Cc mouse with a aa bb cc mouse. The total testcross progeny consist of the following: 100 Aa Bb Cc; 100 Aa Bb cc; 100 aa bb Cc; 100 aa bb cc

Which of the following statements is correct?

- B and C are located on an autosome, while A is located on the X chromosome.

- A and C are tightly linked, but B is assorting independently.

- A and B are tightly linked, but C is assorting independently.

- The three genes are all assorting independently.

- The three genes are most likely located on the X chromosome.

The dermis acts as a mechanical shock absorber. So option (C) "acts as mechanical shock absorber" describes the function of the dermis.

The dermis is the second layer of the skin and plays a key role in providing support and elasticity to the skin. It contains a network of collagen and elastin fibers that act as a mechanical shock absorber, helping to protect the body from physical stress and injury. The dermis also contains sweat and oil glands, hair follicles, and blood vessels, among other structures.

You can learn more about dermis at

https://brainly.com/question/20580978

#SPJ4

Answer:

provides cells for wound healing

Explanation: the dermis is present between the epidermis and the subcutaneous layers and function to give skin its flexibility and strength and provides cells for wound healing.

The spider plant is an example of asexual reproduction and requires only one organism for reproduction to occur.

Asexual reproduction is a type of reproduction in which only one parent produces a child. The newly created people are genetic clones of their parents since they are physically and genetically identical to one another.

Both multicellular and unicellular species exhibit asexual reproduction. No gamete fusion of any type will take place throughout this procedure, and the number of chromosomes will remain the same. Except in rare circumstances where a rare mutation might occur, it will inherit the same genes as the parent.

Organisms like spirogyra, planaria, and others demonstrate fragmentation as an additional form of asexual reproduction. The parent body splits into multiple pieces, and each piece grows into a new creature.

To know more about Asexual reproduction

brainly.com/question/24194951

#SPJ4

These measurements allow the shop to monitor things like monthly item sales and the branches or locations where the items are sold.

Drill-down and roll-up are examples of OLAP processes that enable the user to access the database at several levels of summarization, as shown in Figure 1.7. (b). For example, we can zoom in on sales data to get statistics by month that is aggregated by quarter. These measurements allow the shop to monitor things like monthly item sales and the branches or locations where the items are sold.Cleaning, instance selection, normalisation, one hot encoding, conversion, feature extraction and selection are a few examples of data preprocessing. By moving up the location ladder from the base of the city to a level of the country, the roll-up process aggregates the data. When a slide is accomplished through a reduction in dimensions, one or more measurements are taken out of the cube.

(A company combined monthly sales data into a single group to calculate the total sales by a quarter or a year. This is an example of the ____ step of data transformation.

Dummy Coding

Normalization

Aggregation

Feature Construction)

Learn more about sales

https://brainly.com/question/14425353

#SPJ4

In experimental research, while subjects in the experimental group received some special treatment in regard to the independent variable, subjects in the control group did not.  

In a between-subjects experiment, only one condition is tested on each participant. A researcher might, for instance, assign half of a sample of 100 college students to write about a traumatic event and the other half to write about a neutral event. Or, out of a sample of 60 people with severe agoraphobia—a fear of open spaces—, a researcher might choose 20 to receive one of three different treatments. In a between-subjects experiment, it is absolutely necessary for the researcher to assign participants to conditions that, on average, make the different groups very similar to one another.

Know more about experiment here: https://brainly.com/question/17314369

#SPJ4

The specified bacteria makes endotoxin (also known as lipopolysaccharide, LPS). A bacillus is the named bacterium. Gram-negative bacteria are indicated.

Lipopolysaccharides (LPS) are crucial elements of gram-negative bacteria's outer membrane.

About 75% of the outer surface of gram-negative bacteria contains endotoxins, which are glycolipid, LPS macromolecules that really can result in lethal shock.

The primary component of an outer surface of Gram-negative bacteria is lipopolysaccharide (LPS). Lipopolysaccharide is found in the outer surface of the membrane and is visible on the cell surface in noncapsulated strains. Gram-negative bacteria's characteristic cell wall component, bacterial lipopolysaccharide (LPS), is an example of a pathogen-associated molecular pattern which enables mammalian cells to detect bacterial invasion and activate innate immune responses.

(Based on your observation of the indicated bacterium in this Gram stain, select ALL appropriate statements)

Learn more about bacteria

https://brainly.com/question/8008968

#SPJ4

Answer: Carbohydrates are found in a wide array of both healthy and unhealthy foods—bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie. They also come in a variety of forms. The most common and abundant forms are sugars, fibers, and starches.

Explanation:

Answer:

They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.

Explanation

Carbohydrates are mainly found in plant foods. They also occur in dairy products in the form of milk sugar called lactose. Foods high in carbohydrates include bread, pasta, beans, potatoes, rice, and cereals. Carbohydrates play several roles in living organisms, including providing energy.

Answer:

lysosome, flagellum

Explanation:

Animal cell, under a microscope, can be done by identifying the organelles that are present (almost) exclusively in either animal cells or plant cells. Of the given list, only lysosomes and central vacuole fulfill these criteria. Lysosomes are present in animal cells and can be found.

The chances of the child not having color blindness are 50% (X). This is because the mother is a carrier of the gene for color blindness, meaning she has one dominant allele (X) and one recessive allele (Y) for the gene. The father does not have color blindness, so he has two dominant alleles (XX).

What are alleles?

Leading textbooks on genetics and evolution define an allele as a variant of the same sequence of nucleotides at the same location on a lengthy DNA molecule. The variant DNA sequences at a locus are known as alleles, and the chromosomal or genomic location of a gene or any other genetic element is referred to as a locus.

When they have a child, the child will inherit one allele from each parent, and since the dominant allele masks the recessive allele, the child will not have color blindness if they inherit the dominant allele from the mother or the father. Since both possibilities are equally likely, the chances of the child not having color blindness are 50%.

Alleles are different gene forms. Two alleles, one from each parent, make up each gene. The qualities and attributes of an organism are determined by these alleles. Some alleles may be recessive, which means they may only be expressed when coupled with another recessive allele, while others may be dominant, which means they cover up the presence of a recessive allele. The phenotype, or observable traits, of an organism, is determined by the interaction of alleles.

To know more about alleles, check out:

brainly.com/question/12541569

#SPJ1

The options listed above are all correct. The process of collecting, utilizing, and managing resources in an efficient and productive manner is known as resource management.

In order to accomplish organizational goals, it entails planning, organizing, managing, and monitoring the activities of individuals, materials, and financial resources. It entails the effective use of resources to maximize performance and accomplish the intended goals. Resource management is the process of managing resources, such as personnel, supplies, and capital, within an organization in order to maximize productivity and efficiency. To ensure the most effective and efficient use of the resources at hand, it also entails planning, organizing, coordinating, and regulating those resources. To assure the delivery of high-quality services, it entails the integration of financial and human resources.

The Complete Question is :

which of the following take place within the track and report stage of the resource management process? select all that apply.

A. Establishing resource allocation

B. Monitoring resource usage

C. Updating resource availability

D. Reporting resource utilization

To know more about resource management refer to the link below :

brainly.com/question/14665426

#SPJ4

The classification of the substances according to the pH scale Acidic: Lemon juice: pH between 2 and 3 and Soda: pH around 2.5. Neutral: Pure water: pH 7. Basic Bleach: pH around 12 and Baking soda: pH around 8.5.

The basicity or acidity of a solution is determined using the pH scale. From 0 to 14, with 7 representing neutrality. A solution with a pH below 7 is referred to as acidic, and a solution with a pH over 7 is referred to as basic or alkaline.

Due to the inclusion of citric acid and carbonic acid, respectively, lemon juice and soda are both acidic beverages. The pH of pure water is 7, making it neutral.

Because sodium hydroxide, which has a pH of about 12, is present in bleach, it has a strong base. With a pH of about 8.5, baking soda, commonly referred to as sodium bicarbonate, is a weak basic.

To learn more about pH scale

https://brainly.com/question/1433865

#SPJ4

The production of nuclear materials like DNA takes place in the nucleus, a circular-shaped organelle of the cell that is made up of chromatin, a nucleolar membrane, and a nucleolus. The double-membraned cuboid-shaped organelle known as the mitochondria is responsible for cellular respiration and ATP production.

Chloroplast (a)

Chloroplast structure can be seen to contain a double membrane, granular stroma, lamellar system, chloroplast DNA, & osmophilic granules.

Function: the location where photosynthesis occurs. Plant leaves get their green colour from it.

Endoplasmic reticulum (b)

A closed organelle to cisternae that extend to the nuclear membrane is the double membrane. Its smoothness or roughness depends on the presence of ribosomes.

A key location for protein synthesis & transport, protein folding, steroid and lipid synthesis, carbohydrate metabolism, & calcium storage is the endoplasmic reticulum.

Mitochondria (c)

Structure: The mitochondrion is the double structure found in the majority of eukaryotic species.

It serves as the engine of the cell.  It provides enzymes for electron-transport chains.

Nucleus (d)

Double-membrane organelle structure contain a sphere-shaped nuclear pore.

Function: It houses the cell's DNA and other genetic material. Nucleic acids are made up of deoxyribose sugar, a nitrogen base, as well as a phosphate group. It controls how genes are expressed. It is in charge of replicating DNA. oversees all of the cell's activities.

(Explain the structure and function of the following organelles?

(a) Chloroplast

(b) Endoplasmic reticulum

(c) Mitochondria

(d) Nucleus)

Learn more about mitochondria

https://brainly.com/question/10688306

#SPJ4

the correct answers  for rock formation are: Cooling and solidification of magma or lava; Crystal growth; Differentiation; Assimilation.

Igneous rocks are created through the following processes:

Magma or lava cooling and solidifying: Magma, or molten rock, is found beneath the Earth's surface. Lava is the term used to describe magma that rises to the surface. As they cool, lava and magma both consolidate to create rock.

Crystal growth: Mineral crystals may develop within the melt when the magma or lava cools.

Magma can differentiate as it rises through the Earth's crust, which means that various components of the magma may harden at various rates or produce various minerals.

As it rises to the surface, magma can assimilate existing rock into its own mineral composition.

To know more about rocks, click here,

brainly.com/question/26046551

#SPJ4

Ways in which chromosomal and genetic problems are relevant to human development include all the following except knowing that nature's influences mean that nature can be ignored.

There are thousands of genes on each chromosome, which make proteins that control the body's growth, development, and chemical reactions. There are major and minor growth genes involved in human development. Mutations in the major growth genes, have fundamental effects on human growth and are recognized as disorders of a single gene, resulting in growth failure (or overgrowth). Understanding how genes, birth defects, and other medical conditions run in families and how they can affect your health and the health of your baby is made easier with genetic counseling.

Know more about Mutations here: https://brainly.com/question/9598940

#SPJ4

Each tube in terms of the O2 requirements of the microbes growing within are:

1 - obligate aerobes

2 - Facultative anaerobes

3 - obligate anaerobes

4 - Microaerophiles

5 - Aerotolerant anaerobes

Microorganisms can dwell anywhere, including the poles and equator, deserts, geysers, rocks, and the deep sea. They can also have a wide variety of environments. Some species have evolved to withstand extremes, such as extremely hot or cold temperatures, high pressure, and high radiation settings. One such species is Deinococcus radiodurans.

The microbiota present in and on all multicellular organisms is also composed of microorganisms. The earliest direct evidence of life on Earth, microbes, have been found in Australian rocks that are 3.45 billion years old. Microbes are important in human culture and health in many ways, serving to ferment foods and treat sewage, and to produce fuel, enzymes, and other bioactive compounds.

To know more about microbes here:

https://brainly.com/question/28203934

#SPJ4

Regarding recessive inheritance, it is true that two heterozygotes will typically result in affected offspring 25% of the time, and that all offspring of two affected individuals will be affected. The correct answer is option(b), and (c).

Recessive inheritance resources both genes in a pair must be aberrant to cause ailment. People accompanying only one broken deoxyribonucleic acid in two together are called warships. This family is usually invulnerable to the condition. However, they can pass the uncommon deoxyribonucleic acid to their youth.

The most common interplay 'tween alleles is a dominant/recessive relationship. An allele of deoxyribonucleic acid is pronounced to be main when it efficiently cancels the other (passive) allele. Eye color and ancestry groups are two together examples of main/passive deoxyribonucleic acid friendships.

To know more about inheritance refer to: https://brainly.com/question/24113833

#SPJ4

The complete question is:

select all of these that are true regarding recessive inheritance

A. affected individuals will inherit a dominant gene from at least one affected parent

B. all offspring of two affected individuals will be affected

C. two heterozygotes will generally have affected offspring 25% of the time

The general rule that describes what happens to the energy in a given trophic level is as follows: Only about 10% of all the energy in a trophic level gets transferred to the next level (option C).

Trophic level in ecology is the particular position occupied by a group of organisms in a food chain.

A food chain is the feeding relationships between species in a biotic community. In the food chain, living organisms derive energy from one another by feeding on one another.

However, 90% of energy is used by the living organisms that occupies the trophic level. This means only about 10% is transferred from one trophic level to another.

Learn more about trophic level at: https://brainly.com/question/13267084

#SPJ1

In E. Coli, a cluster of three genes called the lac operon produce enzymes that break apart lactose. to the side of the genes is a region called the promoter, where rna polymerase binds, and another region called the operator, where the lac repressor binds.

The lac operon uses lactose as an inducer. The regulatory gene becomes active when the bacteria's media contains lactose. The repressor protein will attach to the inducer and become inactive, enabling operon transcription. Therefore, in this instance, the lac operon is negatively regulated.

The lac operon's transcription is repressed (inhibited) by the lac repressor protein. In order to do this, it binds to the promoter's partially overlapping operator. When bound, the lac repressor gets in the way of RNA polymerase and prevents operon transcription.

However, two requirements must be satisfied in order for the lac operon to be active. First, there must be no or very little glucose present. Lactose must also be present, second. CAP may bind to the operator sequence and trigger transcription if glucose is not present.

Learn more about lac operon in E. Coli here https://brainly.com/question/29737281

#SPJ4

Mutations occur through changes, removal, and addition of nucleotides.

Mutations are simply changes in the sequence of nucleotides in DNA. There are three ways that mutations occur: 1) change of a nucleotide(s), where one nucleotide is substituted for another; 2) removal of a nucleotide(s), where one or more nucleotides are deleted from the sequence; and 3) addition of a nucleotide(s), where one or more nucleotides are inserted into the sequence. These mutations changes in the sequence of nucleotides can have a range of effects on the function of the resulting protein, and can contribute to the evolution of species over time.

Learn more about Mutations here:

https://brainly.com/question/17031191

#SPJ4

The Complete Question is :
What are the three ways that mutations occur in the sequence of nucleotides?

The two types of alleles found in genes are dominant and recessive. In Drosophila, the F2 cross will have a ratio of 9:3:3:1.

Heterozygous traits are a pair that are both recessive and dominant, whereas purebred traits are a pair that are either dominant or recessive.

The recessive alleles are of the color ebony (e), with rudimentary wings, as opposed to the dominant alleles, which are grey (E) and have extended wings (V) (v).

Purebred parent (P1) = EEVV and EEVV

See the cross in the picture that is given below.

The following is the cross's phenotypic ratio:

Gray-winged long: Gray-winged short: Ebony short-winged: Ebony long-winged is equal to 9:3:3:1.

The cross's genotypic ratio can be expressed as follows:

EEVV: EEVV: EeVV: EEvv: EeVV: eeVV: eeVV = 1: 2 : 1: 2: 4: 2: 1 : 2 : 1

As a result, the genotypic ratio of the F1 generation will be 100% heterozygous gray long-winged, and the F2 generation's phenotypic ratio will be 9:3:3:1.

Learn more about genotypic or genetics Visit: brainly.com/question/15588257

#SPJ4

The 35S was found inside the E. coli cells after infection with the phages.

The 35S refers to a radioactive isotope that was used to label the phages in the experiment. After mixing the labeled phages with E. coli cells, the phages infected the E. coli and replicated inside the cells. This process would cause the 35S to be incorporated into the E. coli cells, as the labeled phages would bring the isotope into the cells as they replicate. Therefore, after infection, the 35S would be found inside the E. coli cells, demonstrating that the phages have successfully infected the cells and are replicating within them. This experiment can be used to study the mechanisms of phage replication and the interactions between phages and host cells.

Learn more about E. coli here:

https://brainly.com/question/19112730

#SPJ4

Answer:

0%

Explanation:

BB Bb    

BB Bb

Answer:

yes

Explanation:

Answer: it is going to be D

Explanation:

I was doing a test and I got it right