Which of the following items is most likely to form a simple linear relationship with the number of gene-duplication events, when placed as the label on the vertical axis of the following graph?



A) number of mitochondria
B) number of cells/organism
C) genome size
D) phenotypic complexity

Answer:

There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species.

Explanation:

Answer:

Red blood cell antigens can be sugars or proteins

Blood group antigens are either sugars or proteins, and they are attached to various components in the red blood cell membrane.

Answer:

Explanation:

Phylum Gnetophyta ✌

Distinguishing characteristics of the phylum Gnetophyta include the presence of both tracheids and vessels in their xylem tissue, a unique fertilization feature in which a tube grows from the eggs to unite with pollen tubes, and being the only division of gymnosperms that undergo double fertilization. Gnetophyta plants include trees, shrubs, or stumpy, turnip-like growth forms with simple leaves.

The phylum Gnetophyta consists of three genera of woody plants called Gnetum, Welwitschia and Ephedra. Although the three genera are all gnetophytes, they are highly specialized to their respective environments, which makes it difficult to identify similar characteristics.

Gnetum species are mostly woody climbers in tropical forests, although the best-known member of the group is a tree. Welwitschia includes one species, Welwitschia mirabilis. It only grows in the deserts of Namibia and Angola, and has two large strap-like leaves that grow continuously from the base throughout the plant's life. Ephedra plants are known as joint-firs because they have long slender branches with tiny scale-like leaves at each node. Ephedra is traditionally used as a stimulant. The plant and its derivatives are classified as controlled substances in many jurisdictions because of the high risk of addiction, harmful side effects and fatal overdoses.

Answer:

B: warmer objects to cooler

Explanation:

Cooler objects will absorb the heat from any warmer object it comes into contact with.

Bacteria in the GI tract perform all the following functions except producing bile. Therefore, the correct option is D.

The GI tract is also called the Gastrointestinal tract. It is a path or the passage of the digestive system which begins from the mouth where the food enters and ends at the anus where the undigested food is expelled out of the body. It is also called alimentary canal.

Bacteria in the GI tract play an important role in human health by performing a wide range of functions. Some of the functions that these bacteria perform include producing biotin, which is a B vitamin that is significant for healthy skin, hair, and nails, and producing vitamin K, which is essential for blood clotting.

However, producing bile is not a function of the bacteria in the GI tract. Bile is produced by the liver and stored in the gallbladder. Therefore, the correct option is D.

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The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.

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Answer:

A, B, C, D and F

Explanation:

i did the assignment

Answer: Colored light

Explanation: Sunlight is emitted from the Sun's photosphere. A fraction of the light that travels from the Sun reaches Earth. It travels as light in a range of wavelengths, including visible light, ultraviolet, and infrared radiation. Visible light is all the light we can see with our eyes.

Answer:

c

Explanation:

its c i took the test

Based on the description of this experiment, it can be inferred the process of data collection is flawed (last option).

This experiment focuses on understanding energy exchange between colliding objects.

In this experiment conditions such as the materials and the conditions were constant. This makes the experiment effective.

Moreover, considering energy is regulated by laws that have been proven by scientists multiple times before it is expected that under the same conditions the results are similar if not identical.

It is likely students are not recording the results or data effectively and due to this, the results are different.

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Answer:

Explanation:

A cell membrane is composed of two phospholipid layers in which each molecule contains a single phosphate head and two lipid, or fatty acid, tails. The heads align along the inner and outer boundaries of the cell membrane, while the tails occupy the space in between. Only small, nonpolar molecules can pass through the membrane through simple diffusion. The lipid tails reject polar, or partially charged, molecules, which include many water-soluble substances such as glucose. However, the cell membrane is peppered with transmembrane proteins that provide passage to molecules that the tails would otherwise block.

Answer:

(:

Explanation:

Different cells in a multicellular organism may express very different sets of genes, even though they contain the same DNA.

Answer:

True

Explanation:

Logic

Answer: The first one is c

Explanation:

Answer:

xenophyophores, amphipods and small sea cucumbers (holothurians)

Explanation:

Answer:

The three most common organisms at the bottom of the Mariana Trench are xenophyophores, amphipods and small sea cucumbers (holothurians), Gallo said. The single-celled xenophyophores resemble giant amoebas, and they eat by surrounding and absorbing their food.

Explanation:

Hope this helps:)

Answer:

XrXr

Explanation:

This option holds but recessive traits for white eyes (rr) and the XX for the female chromosome.

Answer:

The answer is carrier proteins

An adaptation that would be more advantageous to a desert-dwelling organism than to a rainforest-dwelling organism is the ability to conserve water.

In a desert environment, water scarcity is a significant challenge for organisms. Therefore, adaptations that enable efficient water conservation would be highly advantageous.

Desert-dwelling organisms may have features such as specialized kidneys to concentrate urine, reduced sweat glands to minimize water loss through perspiration, or the ability to extract water from the food they consume.

These adaptations help them survive in arid conditions by reducing water loss and maximizing water retention within their bodies.

On the other hand, rainforest-dwelling organisms face a completely different set of challenges. The rainforest is characterized by high humidity and abundant rainfall. As a result, water availability is not a limiting factor for survival.

Organisms in the rainforest may have adaptations that promote efficient heat dissipation, such as larger surface areas for evaporative cooling or increased perspiration.

These adaptations are advantageous in a high-moisture environment where excessive heat and humidity can pose challenges to thermoregulation.

Therefore, the ability to conserve water would be more advantageous to a desert-dwelling organism as compared to a rainforest-dwelling organism, given the contrasting water availability and environmental conditions in these two habitats.

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Preserving entire ecosystems rather than individual species is a good conservation strategy because high levels of biodiversity are essential to maintain the health of the ecosystem.

The high levels of biodiversity in an ecosystem refer to all types of genetic and phenotypic variation that is able to sustain an ecosystem, which is fundamental to maintaining the homeostatic internal equilibrium of an ecosystem after any modification.

Biodiversity allows us to avoid the extinction of species and thus maintain the features of the ecosystem.

Therefore, with this data, we can see that the high levels of biodiversity in an ecosystem are fundamental to avoiding the extinction of species and thus allows us to avoid an imbalance that can be harmful to the health of the whole ecosystem in a given region.

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Answer:

The surface layer of the ocean is known as the epipelagic zone and extends from the surface to 200 meters (656 feet). It is also known as the sunlight zone because this is where most of the visible light exists. With the light come heat.

Answer:

A. It is a compound

Explanation:

Color, hardness, streak, specific gravity, ductility, malleability

Color, hardness, streak, specific gravity, ductility, malleability. Many uses in jewelry, coinage, and bullion. Gold is an electrical conductor used in computers, circuits, appliances, cell phones, etc. Dental work, gilding, and many other uses.

Answer:

Precipitation that falls on Texas originates from water evaporated from oceans.

Explanation:

Im big brain

Answer: Signal transduction pathways play key roles in the initiation, progression, and dissemination of cancer. Thus, signaling molecules are attractive targets for cancer therapeutics and enormous efforts have gone into the development of small molecule inhibitors of these pathways

Explanation:

Answer:

They're composed largely of blood plasma

Explanation:

Answer:

Reducing the use of heating and air conditioning when the building is empty.

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Renewable resources are those resources which are inexhaustible in nature . It means these resourses are present in unlimited quantity and are environment friendly.

Geothermal energy is one of the example of renewable resources.

In geothermal energy, The word ' geo' stands for earth. So ,It basically means the energy that is extracted from the earth.

Here are some uses for the utilisation of renewable geothermal energy.

The geothermal power plant extract the heat from geothermal reservoirs. Then, This extracted heat is transfer to the heat engine .Which are responsible for running the heat engine smoothly and generation of electricity.

The heat that is released from the underground reservoirs are used to reduce green house gases because Geothermal energy needs very less CO2 . This heat is transfer in green house and it results into direct heating of green houses.

There are so many people who wish to enjoy their leisure time peacefully. In winters, People like to visit the areas where hot spots are found .Which is a example of geothermal energy.

The warm water is taken from underground reservoirs and then converted into hear energy. Then this heat energy is transfer in the building by using geothemal pumps helps in generating heat in building in winter. This same process is also follows for cooling of building.

Geothermal energy is also used in industries for cooking, pastuerizing milk etc.