⚠️⚠️which of the following statements is true for exocytosis⚠️⚠️

A) it does not require energy

B) it helps the cell take in large molecules

C) it occurs without the help of any cell organelle

D) it is a form of active transport

Answer:

i think you have to do 1k *2.5 m/s= 2.5

and

3m/s *1m = 3

and then you do 3-2.5

Explanation:

·have cell wall

cell wall is present in plant and fungi due to protection

but not in animals due to locomotion mode of life

Fungi have cell walls characteristic which fungi share with plants but not animals, hence option C is correct.

When compared to animals, fungi need prepared organic substances for energy because they are heterotrophic organisms without chloroplasts.

Fungi are eukaryotic organisms, just like plants, and have nuclei in each of their cells. Like plants, fungi lack a cell wall and vacuoles, however, they do have a material called chitin in their cell walls that plants do not. In numerous important respects, fungi are also similar to animals.

Eukaryotic, non-vascular, immobile, heterotrophic creatures are fungi. They could be filamentous or unicellular and spread spores to reproduce. The phenomena of generational alternation are seen in fungi.

Therefore, in comparison to plants, fungi have vacuoles and a cell wall.

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Answer: The options are not given, here are the options.

a. located in the space outside the nucleus.

b. spread evenly throughout an atom. c. concentrated at multiple sites in an atom.

d. concentrated in the center of an atom.

The correct option is D.

concentrated in the center of an atom.

Explanation:

In an atomic model, the atomic particles has the nucleus which is located at the center of the particle. This nucleus contain positive charge which is called proton at the center and the neutrons(no charge). The electrons is located out side the particle she'll or nucleus and atomic particles become neutral because the number of protons is equal to the number of electrons which is negatively charge orbiting outside the nucleus.

Answer:

The nucleus (plural, nuclei) houses the cell's genetic material, or DNA, and is also the site of synthesis for ribosomes, the cellular machines that assemble proteins.

Answer:

[tex]\boxed {\tt 16 \ m/s}[/tex]

Explanation:

Speed can be found by dividing distance by time.

[tex]s=\frac{d}{t}[/tex]

The rabbit travels 80 meters in 5 seconds.

The distance is 80 meters and the time is 5 seconds.

[tex]d= 80 \ m \\t- 5 \ s[/tex]

Substitute the values into the formula.

[tex]s=\frac{80 \ m }{5 \ s}[/tex]

Divide.

[tex]s= 16 \ m/s[/tex]

The rabbit's speed is 16 meters per second.

Answer:

B- continents looked like they fit together =^.^=

Explanation:

I GOT IT RIGHT >:3

People believed that the continents were once one large landmass because the continents looked like they fit together.

Pangaea refers to the one very big landmass which contains all the continents today fitted together.

Geologists believe that the while earth was once a large landmass without the continents as we have it today.

The first evidence for this belief is that continents looked like they fit together.

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Answer:

c) The total amount of matter decreases over time.

Explanation:

The statement 'the total amount of matter decreases over time' is NOT true about the matter in the biosphere (Option c).

In conclusion, the statement 'the total amount of matter decreases over time' is NOT true about the matter in the biosphere (Option c).

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Answer:

m

Explanation:

Answer:

Muscle Cell - Muscle Tissue - Biceps Muscle - Muscular System

Answer:

Family members have a similar genetic make-up that may make them predisposed to cancer.

Explanation:

Variation in certain genes can increase the risk of developing certain cancers. This is why certain cancers run in families. There are lots of examples where the risk factor is small, but in some cases, the risk factor is very large.

For example, mutations in BRCA1 are very highly linked to the risk of breast cancer. As a result, many women with mutations in this gene opt to get a mastectomy to reduce their chances of developing breast cancer.

Answer:

Explanation:

Meiosis is a special type of cell division of germ cells in sexually-reproducing organisms used to produce the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each paternal and maternal chromosome.

Answer:

to provide insulation

Explanation:

The medullary index is the proportion of the diameter of the hair medulla in regard to the diameter of the entire hair: The equation to calculate the medullary index is medulla diameter/hair diameter. In animals, the hair medulla is generally thicker compared to humans (medullary index approximately 0.5 and 0.33, respectively). The thicker the diameter of the hair medulla, the better is the insulation.

Answer:

Oxygen cycles keeps the flow of oxygen at a constant rate.

Explanation:

Answer:

A.)     The net effects of the reactions of photosynthesis and cellular respiration are the opposite of one another, therefore the products of one are the reactants of the other, creating a cycle.

Explanation:  Hope this helps!!

Answer:

rodents

Explanation:

they arent any of those things

The scientists that played a significant role in developing the cell theory are Theodor Schwann and Matthias Schleiden. Thus, the correct options are B and E.

Cell theory was proposed by a German botanist M.J. Schleiden and a German zoologist T. Schwann. According to them, the cell theory states that:

Charles Darwin was popular in the field of evolution. Hence, he is referred to as the father of evolution. Robert Hook was known in order to discover a cell in 1665.

Later in 1855, the cell theory is further refined by German biologist R. Virchow. According to him, all cells are arising from pre-existing cells.

Therefore, the scientists that played a significant role in developing the cell theory are Theodor Schwann and Matthias Schleiden. Thus, the correct options are B and E.

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Answer:Kidney

Explanation:

The Excretory system is responsible for the elimination of wastes produced by homeostasis. There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system.

An organs Kidney, ureter, urinary bladder and urethra are part of the excretory systems.

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Answer:

Substitution Mutations

Explanation: A substitution mutation occurs when specific bases (A, T, C or G) in a gene are swapped for different ones. This type of mutation doesn't cause a difference in the number of bases like insertion or deletion mutations do. Substitution mutations just switch out one or more bases for different ones.

Hope this helps :3

A substitution mutation occurs when a base in the DNA sequence is replaced by a different base.

Substitution is a type of mutation in which one nucleotide is replaced by a different nucleotide. The term can also refer to the replacement of one amino acid in a protein with a different amino acid.

Base substitutions are the simplest type of gene-level mutation, and they involve the swapping of one nucleotide for another during DNA replication. For example, during replication, a thymine nucleotide might be inserted in place of a guanine nucleotide.

Substitution mutations can be good, bad, or have no effect. They cause three specific types of point mutation: silent, missense, and nonsense mutations.

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Answer:

According to the levels of organization in the body, the level of organization in which proteins, like collagen, are found is the molecular level, allowing the structural support and the performance of other essential functions.

Explanation:

Proteins are biological macromolecules, polymers of units called amino acids. These molecules belong to the molecular level of organization in living organisms.

The level of organization where proteins are found allows them:

Other functions of proteins are to integrate the cell membranes and perform transport function, to form receptors and to be an energy reserve.

Answer:

Why you looking down here, he clearly got it right    : )

Answer:

Kingdoms that are autotrophic-

Plantae

Kingdoms that are heterotrophic-

Fungi

Animalia

Protista could be either or.

I think there is something about yeast than all the rest of fungi but you will have to look that up.

Explanation:

Answer:

There is no image attachment, however, this question can be answered based on general understanding of enzymes. The answer is:

Temporary bonding occurs between the active site and the substrate, causing a conformational change.

Explanation:

Enzymes are proteinous molecules that acts as catalyst in biochemical reactions by speeding up the rate of reactions. According to this question, lactase is an enzyme that acts on lactose sugar and breaks it down into its monomeric unit (glucose and galactose).

All enzymes possess an active site, with which they bind to their substrate. In this question, the lactose (substrate) approaches the active site of lactase (enzyme), what occurs first is that a temporary bonding occurs between the active site and the substrate, causing a conformational change in the shape of the enzyme.

Answer:

The answer is A. hydrothermal vent

Explanation:

I just did it

Alvinella pompejana is known as the Pompiee worm. This organims is found in the deep hydrothermal vents in the Pacific ocean. Thus, the correct option is A.

Alvinella pompejana, the Pompeii worm is a species of the deep-sea polychaete worm. It is an extremophile found only at the hydrothermal vents of the Pacific Ocean, discovered in the early 1980s off the Galápagos Islands by the French marine biologists.

The Pompeii worm (Alvinella pompejana) is a deep-sea polychaete vermiform extremophile. This organism can survive at extreme conditions. It is possible because of their bacterial coating which redistributes the heat to keep the worm cool. This bacteria not only help regulate the temperature of the worm but they also break down minerals from the vent to aid their host.

Therefore, the correct option is A.

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Answer:

Cow dung helps in balancing the environment and kills germs

Explanation:

Cow dung is used for fertility of the soil. It is also used for the control of pest in the plants. When heated cow dung can be used to cook food where there are lack of wood available. Also when it is heated it releases the gases which kills germs present in the air.

Answer:

The cow eats plants and produces carbon dioxide through cellular respiration. The plants, which gain energy from the sun, then take carbon dioxide from the atmosphere and use it in photosynthesis.

Explanation:

I did the test

Answer: prokaryotic cells

Explanation:

Answer: Prokaryotes are organisms whose cells lack a nucleus and other organelles.

Explanation:

Answer:

There are 1000 calories in 1 Calorie (notice the difference in the capital C) on our food labels the Calories are given. Cellular respiration ; the process that releases energy by breaking down glucose and other food molecules in the presence of oxygen, begins with a chemical pathway called glycolysis

Explanation:

Hope this helped, Have an amazing, spooky Halloween!!

The relationship between the calorie on a food label with the calorie produced in a cellular respiration is ;

When labeling food to indicate the nutrients contained in the food ( especially canned foods ) the amount of calories contained in the food is indicated and for every Calorie ( 1 calorie ) indicated on the label represents an equivalent of 1000 calories found in cellular respiration.

Hence we can conclude that 1 Calorie indicated on a food label is an equivalent of 1000 calories produced in a cellular respiration.

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Answer:

Lysosome

Explanation: