Which quality do all good scientific designs share?
A)They have only one tested group.
B)They cannot be repeated by other scientists.
C)They have easily understandable language.
D)They ensure valid results.

An organism's chromosomes come from the parents. They get some mutations, but they are copies of the parents.

Answer:

C

Explanation:

Answer: If some of the species in the coral reef are destroyed, (The coral reef would begin to deteriorate without the variety of fish and plants necessary to maintain balance)

Explanation:

CORAL REEFS is a ocean habitat that provides shelter for a variety of aquatic animals such as clownfish, sea anemone, coral, sea urchins, sponges, and parrot fish which are just a few examples of the large variety of organisms that can be found in a coral reefs. These animals are responsible for building the reefs which takes different forms and helps in maintaining balance. This habitat is important to marine life as it provides food and shelter for them.

Recently, many human activities has posed a threat to the coral reef and it's inhabitants These activities include:

--> Pollution: this is cause any agricultural run offs, Chemical and oil spills which can damage coral growth and reproduction.

--> coastal development: an unplanned coastal development has a damaging effect on the coral reef habitat.

--> Sedimentation: This can lead to increase in turbidity of coastal waters which in turn reduces light availability to the coral reef.

--> Destructive fishing practices: inadequate management of different fishing practices has led to the depletion of key reef species and habitat damage.

From the above explanation, the aquatic species found in the coral reef are responsible for building and maintaining the reef. If they are DESTROYED due to the above mentioned human activities, the reef will begin to deteriorate.

Answer: it’s b

Explanation:it’s b

Answer:

50% of mice would be grey (GG [phenotype is grey and genotype is grey])

50% of mice would be grey and brown (GB [phenotype is grey and brown])

GG is complete dominance

GB is codominant

Enzymes are not reactants and are not used up during the reaction. Once an enzyme binds to a substrate and catalyzes the reaction, the enzyme is released, unchanged, and can be used for another reaction. This means that for each reaction, there does not need to be a 1:1 ratio between enzyme and substrate molecules.Answer:

Explanation: now gimmie that coochie luigie

In the attached file, the effects of angiotensin II on tubular reabsorption are depicted in the proper sequence.

What is the process of tubular reabsorption?

The procedure that removes solutes and water from the filtrate and returns them to your circulation is known as tubular reabsorption. Reabsorption refers to the fact that this is their second absorption, the first being when they entered the circulation from the digestive tract following a meal.

The location of tubular reabsorption?

The second crucial stage in the production of urine is tubular reabsorption. Amino acids, glucose, and salts are only a few of the solutes that are mostly reabsorb able in the proximal portion of the tubule.

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The downregulation of insulin-dependent pathways in cardiac muscle tissue during exercise detraining may result in decreased glucose uptake and utilization by the heart, which could have implications for overall cardiac function.

The statement suggests that adaptations in GLUT4 expression, in response to exercise detraining, are associated with a decrease in insulin-dependent pathways in cardiac muscle tissue but not in skeletal muscle tissue.

1. GLUT4 expression: GLUT4 is a glucose transporter protein that plays a crucial role in glucose uptake by cells. In response to exercise, GLUT4 expression increases to facilitate glucose uptake into muscle cells, promoting energy production.

2. Exercise detraining: Exercise detraining refers to the period of reduced or discontinued physical activity after a period of regular exercise. During this period, the adaptations gained from exercise may start to reverse.

3. Insulin-dependent pathways: Insulin is a hormone that regulates glucose uptake into cells. Insulin-dependent pathways involve insulin signaling and activation of various molecules that facilitate glucose transport into cells.

Based on the statement, here is a breakdown of the key information:

- In response to exercise detraining:
 - GLUT4 expression decreases in cardiac muscle tissue.
 - Insulin-dependent pathways are downregulated in cardiac muscle tissue.
 - However, there is no change in GLUT4 expression or insulin-dependent pathways in skeletal muscle tissue.

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Hector pops this balloon, the molecules in the helium gas will rise upwards.

The helium will move upwards and will go to the upper air level of the closed room, this majorly occurs due to the physical difference between helium and air in the density: 0.166 kg/m³ for helium and 1.21 kg/m³ for air which makes helium almost 86% less dense than air.

Gas density can be defined as the mass of the gas occupying a certain volume at specified pressure and temperature, helium is second most light gas after hydrogen

Hector is standing in a closed room with a balloon filled with helium gas when Hector pops this balloon, the molecules in the helium gas will rise upwards.

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Answer:

yes you need to get the last two

Explanation:

did the thing

Solid medium is essential for development of discrete, isolated colonies Option D

The growth of distinct, separate colonies requires solid media. The movement of bacteria or other microbes is restricted when a solid media, such as agar, is utilized.

Instead, they develop in confined spaces, generating distinct, isolated colonies that are visible. This makes it possible to distinguish between various kinds of microbes depending on the features of their colonies, such as their size, shape, color, or texture.

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Missing parts;

5. Which of the following is essential for development of discrete, isolated colonies?A.broth mediumB.differential mediumC.selective mediumD.solid mediumE.assay medium

The one that is not an established odorant-mediated response or capability of humans is Option A, pheromone-based sexual attraction mediated by the vomeronasal organ.

Humans do not possess a functional vomeronasal organ, which is responsible for detecting pheromones in many other animals. While there is ongoing debate about the presence and function of a vestigial vomeronasal organ in humans, there is no conclusive evidence to support its role in pheromone detection and sexual attraction in humans.

The vomeronasal organ (VNO) is a specialized sensory organ found in many animals that is responsible for detecting and processing pheromones. Pheromones are chemical signals released by individuals of the same species to communicate and elicit specific behavioral responses, such as sexual attraction or territorial marking. Hence, the correct answer is Option A.

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Answer:

yes A system can be also be a system

One important consequence of the evolution of xylem was the development of a mechanism for water transport in plants. Xylem is a specialized tissue that is responsible for conducting water and dissolved minerals from the roots to the rest of the plant. This function is crucial for plant survival, as water is essential for many physiological processes such as photosynthesis, respiration, and nutrient uptake.

The evolution of xylem allowed for plants to grow taller and larger, as it provided a way to transport water and nutrients to greater distances within the plant. In addition, xylem also provided structural support for the plant, allowing it to withstand the forces of wind and gravity. This allowed for the development of complex, multi-cellular plants with a variety of specialized organs and tissues.

Xylem is composed of two main types of cells: tracheids and vessel elements. Both of these cell types have thick, lignified walls that provide strength and support to the tissue. The walls also contain small pores called pits, which allow for the movement of water and dissolved minerals between cells.

The evolution of xylem was a significant development in the history of plant life, as it allowed for the development of a wide variety of plant forms and adaptations. Today, xylem plays a vital role in the functioning of all vascular plants, from small mosses to towering trees.

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Answer:

aerobic- 1. Occurring in the presence of oxygen

lactic acid fermentation- 2. The stage of respiration that occurs in anaerobic condition In animal cells

glycolysis- 3. The first step in the chemical breakdown of glucose

anaerobic- 4. Occurring in the absence of oxygen

alcohol fermentation- 5. The stage of respiration that occurs in anaerobic conditions In less complex organisms

Explanation:

Phages that can either replicate and cause cell lysis or can integrate their DNA into the bacterial host DNA are called Temperate phages.

Temperate Phages:

Temperate Phages can either replicate and cause cell lysis or can integrate their DNA into the bacterial host DNA. These phages have the ability to choose between two life cycles - the lytic cycle or the lysogenic cycle. During the lytic cycle, the phage replicates inside the bacterial host cell and ultimately causes the cell to burst open or lyse, releasing new phage particles. In contrast, during the lysogenic cycle, the phage integrates its DNA with the bacterial host DNA, and the phage and bacterial DNA replicate together. This integration is called integration of DNA with bacterial DNA.

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The function of the indicated elastic lamellae of the aorta is to allow the aorta to maintain blood pressure without tearing in response to receiving blood under high pressure and then to conducting blood onwards.

This elastic lamellae works as a means of barrier between the smooth muscle and the endothelium. It happens that this layer also forms the outermost part of the blood vessels. Because of this characteristic feature, they help to regulate and maintain the pressure from blood flow which flows down distally.

So therefore, it can accurately be concluded that this elastic lamellae helps in regulating the blood pressure in the vessels.

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A flexor is a skeletal muscle whose shortening moves attached bones. Flexors are muscles that cause joints to flex bend and straighten extend. Flexors are found on the front side of the body, and they bend your limbs towards your body.

In contrast, the extensors are located on the opposite side of the body and straighten the limbs away from the body. Muscles that cause joint movement are called skeletal muscles. When they contract or shorten, they move the bones that are attached to them. There are muscles called flexors, which shorten to bring bones closer together or closer to the body midline.

For example, the biceps brachii muscle flexes the elbow joint to raise the forearm. A flexor muscle is a muscle that causes a joint to bend. This is opposed to an extensor, which straightens or extends a joint. When a flexor muscle contracts, it pulls its tendons, which are attached to bone, and shortens the distance between the bones it connects. This shortening movement causes the joint to bend.

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The examples of environmental influences

There is speculation that environmental factors can affect behavior both directly and indirectly. The indirect causal mechanism illustrates how cognitions that are specific to a behavior play a mediating role in the influence of the environment on behavior. A direct influence shows how the environment automatically and unconsciously affects behavior.

Certain behavioral and personal characteristics are hypothesized to modify the causal pathway (i.e., inducing either the automatic or the cognitively mediated environment – behavior relation). The EnRG framework also uses an energy balance approach, which encourages an integrated investigation of factors influencing nutrition and exercise.

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Answer:

turgor is the state of a cell in which the cell wall is rigid and stretched by increase in the volume of the vacuole and protoplasm during absorption of water by osmosis.

An accurate description of the characteristics of prokaryotic cells Contains DNA, ribosomes, and cytoplasm.

Prokaryote, also spelled procaryote, any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes.

Thus, option "A" is a correct.

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Answer:

dont care

Explanation:look on other webs

Answer:tulips reproduce asexually

Answer:

If it takes the sound 6 seconds to get to the floor and back, then it takes 3 seconds to reach the floor. So all you would need to do multiply (3 seconds) x (the speed of sound in water) = distance to sea floor. The internet can tell you the speed of sound in water, though just make sure you look for it in the units (feet or meters) that you want. I hope that helps.

Answer:

2500.

Explanation:

All you would need to do multiply (3 seconds) x (the speed of sound in water) = distance to sea floor.

Answer:

metaphase

Explanation:

I took the test, it's right.

Answer:

metaphase

Explanation:

1.anaphase

2.telophase

3.anaphase

4.mitosis

5.metaphase

hope this helps:)

A heterotroph is an organism that consumes other organisms in a food chain.

So the answer is D) heterotrophs.

Plants on the other hand, are autotrophs, they are able to produce energy from solar energy, so they are the first one on the food chain.

The action of the repressor on the expression of the lac operon is an example of negative control.

Operon: A set of genes transcribed under the control of an operator gene. More specifically, an operon is a segment of DNA containing adjacent genes including structural genes, an operator gene, and a regulatory gene. An operon is thus a functional unit of transcription and genetic regulation.Both mechanisms are present in the lac operon. Because expression is often restricted by an active repressor (the lac repressor) that turns off transcription, it is a negative control system. The lac repressor attaches to the operator region and inhibits transcription from taking place.

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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.

Homeostasis is the body's ability to maintain a stable internal environment despite external changes.

In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.

These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.

For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.

Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.

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The brain and spinal cord are parts of the central nervous system, while the nerves and all the sensory receptors and motor neurons are part of the peripheral nervous system.

The brain is divided into two hemispheres: the left hemisphere and the right hemisphere. These two hemispheres are connected by a network of nerve fibers located in the brain’s center called the callosum (the brain’s central nervous system). Each of the four hemispheres is divided into four lobes (or sections), all of which are connected to each other. The CNS is responsible for cognitive functions such as thinking, reasoning, emotion, language, and movement.

The peripheral nervous system can be broken down into two sub-systems: the Autonomic (ANS) and the Somatic (SNS) nervous system. The Autonomic Nervous System controls voluntary bodily functions and controls glands. The Somatic Nervous System (SNS) controls muscle movement and sends signals from the ears, eyes, skin, and other parts of the body to the centrally located nervous system.

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Answer:

An earthquake

Explanation:

An earthquake is caused when plates move around and clash.