Which of the following statements is TRUE if Joel and Karen are doing exactly the same things, but Joel has a higher metabolic rate than Karen?

Explanation:

your small your small intestines can't absorb either lactose or maltoseyou use different enzymes to digest the two sugars lactase break down lactose why an enzyme called sucrase-isomaltase breaks down maltose because enzyme are so specific with regard to function you can't break down maltose with lactose or vice versa

Lactase breaks down only lactose in food in our body can absorb it not maltose and sucrose as enzymes are specific in nature.

Enzymes are protein which act as a catalysts and speed up the rate of biochemical reactions with out changing the structure of the final product.

Enzymes can control the speed and specificity of the chemical reaction, and  the rate of biochemical reaction often influences enzymes and they can take place at a relatively low temperature; it   lower the activation energy.

The enzyme activity pH specific, that is at a particular pH, each catalyst is most active for example at PH 2 for pepsin, pH 8.5 for trypsin, for example.

Both enzymes have active sites which can activate biochemical reactions. It is soluble in water, dilute glycerol, NaCl, and dilute alcohol.

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The sodium channel possesses an inactivation gate that temporarily closes after the channel is active.

In neurons, sodium channels are responsible for the ascending phase of the action potential (depolarization).

Therefore, we can conclude that the sodium channel is responsible for the depolarization and possesses two gates which one temporarily closes after the channel is active.

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DNA helicase enzyme unwinds and breaks H bonds between the 2 complementary strands using ATP to separate the 2 strands.

A (n) homeotic gene is a type of gene that regulates development and that, when mutated, leads to organisms with structures in abnormal or unusual locations on their body.

A homeotic gene is a gene that intervenes in the developmental program that determines the location of structures along the anteroposterior axis.

Therefore, we can conclude that homeotic genes are expressed in the body regions that will house the growing structures.

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The main function of the nuclear envelope is to separate the nucleus from the cytoplasm in eukaryotic cells.

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Answer:

This is called allopatric speciation. There are five types of speciation: allopatric, peripatric, parapatric, and sympatric and artificial.

Answer:

the Golgi apparatus is the answer

Answer:

Hey mate.....

Explanation:

This is ur answer....

A food web is a more realistic way of portraying an ecosystem than a food chain because food chains imply that organisms only eat one type of organism which is rarely true. In a food chain predators occupy higher levels than their prey. Food webs are more complicated diagrams that are not purely linear.

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Answer:c

Explanation:why i don’t know I just want the points

Answer:

Carbon dioxide

Explanation:

Removal of invasive species and growing more vegetation can restore the stability and biodiversity of ecosystem.

These two solutions restores the stability and biodiversity of the selected ecosystem because invasive species can capture more resources as compared to local species which leads to the extinction of local species.

While on the other hand, growing more vegetation provides more food to the organisms which ultimately increases the biodiversity of the ecosystem so we can conclude that removal of invasive species and growing more vegetation are the solutions to bring ecosystem in a stable condition.

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The prokaryotic cell is 17 times larger as compared to the virus particle.

Both values first need to be converted to the same unit.

5.0 um = 5.0 x [tex]10^-^6[/tex] m

300 nm = 3.0 x [tex]10^-^7[/tex] m

Dividing both values:

   5.0 x [tex]10^-^6[/tex] m/3.0 x [tex]10^-^7[/tex] m

                        = 16.667

Hence, the prokaryotic cell is approximately 17 times bigger than the virus particle.

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Martin Luther King, Jr. worked hard to bring greater equality to America and ensure civil rights for all people, regardless of race.

The mutation you are talking about is called: somatic mutations

These mutations occur in non-reproductive cells and they will not be passed off onto offspring.

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Answer:

Homologous structures provide evidence for common ancestry

Answer:

Visceral reflexes involve a glandular or non-skeletal muscular response carried out in internal organs such as the heart, blood vessels.

Explanation:

Answer:

 5' carbon is bonded to the phosphate group and the 3' carbon is bonded to an OH group.

The 5' carbon is bonded to the phosphate group and the 3' carbon is bonded to an OH group.

As new nucleotides are added to a strand of DNA or RNA, the strand grows at its 3' end, with the 5′ phosphate of an incoming nucleotide attaching to the hydroxyl group at the 3' end of the chain.

DNA and RNA are composed of nucleotides that are linked to one another in a chain by chemical bonds, called ester bonds.

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Answer:

vacuole

Explanation:

Answer:

Cell division or cytokinesis in mitosis or meiosis is very similar... There is a region of division to separate the two daughter cells in both processes; however, the division plate is slightly different between animal cells and plant cells. In animals, the region of division is a division plate. hope this helps! :)

Answer:

Intramembranous ossification is the process of bone development from fibrous membranes. It is involved in the formation of the flat bones of the skull, the mandible, and the clavicles.

The smooth endoplasmic reticulum is different from rough endoplasmic reticulum as the rough endoplasmic reticulum has ribosomes attached to its surface which are absent in smooth endoplasmic reticulum. Thus, the correct option is C.

Endoplasmic reticulum (ER) is a large, dynamic structure which serves for many roles in the cell. There are two types of ER which are Smooth Endoplasmic Reticulum (SER) and Rough Endoplasmic Reticulum (RER). The diverse functions of the ER are performed by distinct domains present in the ER consisting of tubules, sheets and the nuclear envelope.

Rough endoplasmic reticulum contains ribosomes on its surface and synthesizes protein, whereas the smooth endoplasmic reticulum does not contain ribosomes and functions to make lipids and detoxify the cell. Large amounts of SER are found in the cells which participate in lipid metabolism and detoxification of the body, such as liver cells.

Therefore, the correct option is C.

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If it is the first time that this pathogen comes into contact with the immune system, IgM antibodies are produced, which are the first type of antibodies produced against a certain microorganism.

Immunoglobulins are molecules that intervene in defense processes against microorganisms and infections.

Therefore, we can conclude that when the immune system first comes into contact with an antigen, a primary response occurs; mediated by IgM antibodies.

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Rocks from the Ordovician Period contain evidence that plants began colonizing dry land at this time. Most experts agree that the ancestors of land plants first evolved in a marine environment, then moved into a freshwater environment and finally onto land.

Ordovician Period, in geologic time, the second period of the Paleozoic Era. It began 485.4 million years ago, following the Cambrian Period, and ended 443.8 million years ago, when the Silurian Period began. Ordovician rocks have the distinction of occurring at the highest elevation on Earth—the top of Mount Everest.

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Answer:After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the fuel needed to build food in the form of carbohydrate molecules. The carbohydrate molecules made will have a backbone of carbon atoms. Where does the carbon come from? The carbon atoms used to build carbohydrate molecules comes from carbon dioxide, the gas that animals exhale with each breath. The Calvin cycle is the term used for the reactions of photosynthesis that use the energy stored by the light-dependent reactions to form glucose and other carbohydrate molecules.

Explanation:The Interworkings of the Calvin Cycle

In plants, carbon dioxide (CO2) enters the chloroplast through the stomata and diffuses into the stroma of the chloroplast—the site of the Calvin cycle reactions where sugar is synthesized. The reactions are named after the scientist who discovered them, and reference the fact that the reactions function as a cycle. Others call it the Calvin-Benson cycle to include the name of another scientist involved in its discovery (Figure 5.14).

This illustration shows that ATP and NADPH produced in the light reactions are used in the Calvin cycle to make sugar.

Answer:

CO2, ATP, and NADPH

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