early improvements to microscopes allowed some scientists to view cells and eventually develop what?
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Related Questions
Proteins are polymers of amino acids linked by ______. Multiple choice question. hydrogen bonds phosphodiester bonds covalent bonds peptide bonds
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Answer:
peptide bonds
Explanation:
Amino acids are linked together into linear chains called polypeptides
The roller coaster is your favorite ride! but the line is always long! having just studied potential and kinetic energy in physics, you evaluate the energy changes of the cars as they move on the tracks. Compare the potential energy of the cars if they are stopped at points A to point D.
A. Neither have potential energy.
B. The potential energy is the same.
C. Potential energy is greatest at point D.
D. Potential energy is greatest at point A.
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Potential energy is greatest at point D. Therefore, option C is correct.
What is potential energy?Potential energy is the energy that is stored inside of an object due to the object's position, state, or arrangement. When an object's position, status, or configuration changes, the energy that has been stored in it is released.
The gravitational potential energy of an item, the elastic potential energy of a stretched spring, and the electric potential energy of an electric charge in an electric field are examples of common types of potential energy.
Potential energy depends upon the mass and height of the object. The greater the mass and height, the greater will be the potential energy of the object. The height of position D is maximum, therefore potential energy is greatest at point D. Hence, option C is correct.
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How does farming creates job for people?
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Farming causes a chain reaction: farmers supply crops/meats to distributors, distributors sell crops/meats in bulk to grocery stores, and those in the food industry can obtain their produce through the mentioned grocers. Restaurants rely on grocers, who rely on distributors, who rely on farmers.
Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body's cells. Which organelle is most likely malfunctioning in the patient's cells?
a) Golgi apparatus.
b) lysosome.
c) ribosome.
d) endoplasmic reticulum.
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Lysosome organelle is most likely malfunctioning in the patient's cells (option b),.
The organelle most likely malfunctioning in the patient's cells is the lysosome. Lysosomes are membrane-bound organelles that contain enzymes responsible for breaking down waste materials, cellular debris, and foreign substances. They play a vital role in cellular waste disposal and recycling.
In this case, the patient is diagnosed with a disease caused by the buildup of waste material in the body's cells. This suggests that there is a problem with the breakdown and disposal of waste materials within the cells.
The Golgi apparatus is responsible for modifying, sorting, and packaging proteins for transport within or outside the cell. It is not directly involved in waste material breakdown.
Ribosomes are responsible for protein synthesis and are not directly involved in waste material breakdown either.
The endoplasmic reticulum (ER) is involved in protein synthesis, lipid metabolism, and detoxification. However, its dysfunction would not directly result in the buildup of waste material in the cells.
Therefore, considering the role of lysosomes in waste material breakdown, it is most likely that the malfunctioning organelle in the patient's cells is the lysosome. This malfunction would lead to the accumulation of waste material, causing the disease symptoms.
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In ferns, the sporophyte produces
A. cones, which grow into a gametophyte.
B. gametes, which grow into a gametophyte.
C. spores, which grow into a gametophyte.
D. seeds, which grow into a gametophyte.
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Ribosomes are organelles which make ____
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Answer: They make proteins my friend.
Explanation:
What is mineralization
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Answer:
Mineralization is the process by which chemicals present in organic matter are decomposed or oxidized into easily available forms to plants.
Decomposers make ______
available.
A. erosion
B. air
C. weathering
D. nutrients
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Answer:
D
Explanation:
Answer:
D. Nutrients.
Explanation:
What happens to mRNA after transcription ?
A- It is transported to a mitochondrion for respiration
B- It exits the cell through the plasma membrane
C-It remains in the nucleus to begin translation
D-It enters the cytoplasm and goes to a ribosome
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After transcription, mRNA leaves the nucleus of a cell through the nuclear pores, entering the cytoplasm and goes to a ribosome to begin the translation process of synthesising proteins
i do believe that i need help
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Answer:
There are many different kinds of microscopes. A magnifying glass is a simple microscope. The term microscope commonly refers to a compound microscope. These Microsoft are called compound because they are made of several glass lenses in a tube. The total magnifying power of a microscope is the product of the magnifying power of the lens is in the ips and the magnifying power of the lens in the objective.. Most compound microscopes can magnify a specimen up to 400 times as real size. Microscope allow you to see fine details. Space is between objects that are closer together than 0.1 mm can be seen. The ability of a microscope to separate small distances is called resolving power. If the resolving power is not good the image will be blurred. When you look into the eye piece of microscope the circular area you see is the field of view when a ruler is placed across the opening of the stage the field of view can be measured in millimeters. Sharpening an image under high magnification used the Find adjustment knobs. The part of the microscope that holds the Microscope slide is called the stage.
List 3 powers Congress has.
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Answer: Make laws.
Declare war.
Raise and provide public money and oversee its proper expenditure.
Impeach and try federal officers.
Approve presidential appointments.
Approve treaties negotiated by the executive branch.
Oversight and investigations.
Explanation: Thats all of their powers just choose 3!!
Can somebody help please due today
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Answer:
Fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. Their ages can be established by comparing the fossils in each layer.
Answer:
Explanation:
Fossil record, history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. Their ages can be established by comparing the fossils in each layer.
Credits to the person under me i just need points
(pretty sure its correct tho)
recycling saves the rainforest true or false.
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True as it saves natural resources and from pollution of land.
What is another name for the sugars organisms use for energy?
a) lipids
b) carbohydrates
c) proteins
d) nucleic acids
I NEED THIS ASAP
35 POINTS
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Answer:
b) carbohydrates
Explanation:
when taking a blood pressure reading which reading indicates the greatest force on the walls of the artery?
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Answer: Systolic blood pressure
Explanation:
An estuary is _______.
For environmental science plz helpp
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Answer:
A
Explanation:
Answer:
a partially enclosed coastal body of water (usually at the mouth of a river) where fresh water from the river and salt water from the sea mix.
Explanation:
can someone help me on this question
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Answer:
unknow
Explanation:
The surge of blood entering arteries causes an expansion and recoil of the arterial wall producing a _____________ that can be felt externally.
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Answer:
I think the answer you're looking for is pulse
You are maintaining a small population of fruit flies in the laboratory by transferring the flies to a new culture bottle after each generation. After several generations, you notice that the viability of the flies has decreased greatly. Recognizing that small population size is likely to be linked to decreased viability, the best way to reverse this trend is to cross your flies with flies from another lab.
A. True
B. False
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5. Interpret the experiment design and select what Elizabeth is likely to observe.
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Answer:
Experimental design refers to how participants are allocated to the different groups in an experiment. Types of design include repeated measures, independent groups, and matched pairs designs.
Explanation:
hope it's helps you.....:)
which of the following are photosynthetic organisms?
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Answer:
Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis (Figure 1). Because they use light to manufacture their own food, they are called photoautotrophs (literally, “self-feeders using light”).
The air we breathe is mostly a mixture of oxygen and nitrogen. How do air molecules change when they reach altitudes above 100 km?
I need to make sure the answer I have is right.
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As you increase in altitude, there are fewer air molecules. Due to the lower amounts of air molecules, the atmospheric pressure decreases causing the air to be harder to breath in.
which cells requires the most food
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Answer:
We need to eat and drink to survive, and so do our cells. Using a process called endocytosis, cells ingest nutrients, fluids, proteins and other molecules.
Explanation:
Which among these places has the least vertebrates diodiversty?
A. Alaska
B. Amazon
C. Philippines
D. African Safari
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Answer:
A. alaska
Explanation: plants don’t survive in the extreme cold and ice that cover these regions year-round.
Two students were having a discussion about viruses. Student A believes viruses are not living organisms. Student B believes viruses are living organisms. Which student is correct and why?.
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Answer:
Dois alunos estavam discutindo sobre vírus. O aluno A acredita que os vírus não são organismos vivos. O aluno B acredita que os vírus são organismos vivos. Qual aluno está correto e por quê?
Explanation:
espero ter ajudado boa noite
A submicroscopic virulent agent that infects animals, plants, bacteria etc. is called viruses. They are capable of copying inside host cells only. Viruses cause many diseases in animals and plants.
The correct discussion is:
Student A believes that viruses are not living organisms.
The student's statement can be explained as:
The virus is not capable of reproducing on its own without a host system. Therefore they cannot fit in the definition of a living organism. They just have a genetic material encapsulated in protein coats and do have defined cell structures, unlike prokaryotes and eukaryotes.Therefore, viruses are not contemplated to be living.
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The basic equation for photosynthesis using the names of the molecules involved. Identify the products and reactants is light a product or reactant? If not what does it apply to the equation? I NEED HELP!
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Explanation:
e..................... ...........
After siting in the bathtub for hours your fingers start to look like prunes due to the process of
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Answer:Shrinking Blood vassels
Explanation:
what are Negative health effects of frequent, self-induced vomiting?
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Answer: It can rot your teeth out because of the stomach acid.
Explanation:
which type of stimulus is an allergen, such as pollen?
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Answer:
External stimulus is the type of stimulus an allergen, such as pollen, is classified.
Explanation:
10. What are two examples of "typos" that happen when DNA is being copied?
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Answer:
DNA “typos” cause variation
Explanation:
Any time DNA is copied, a mistake or change can occur in the letters of the DNA sequence, or gene. These changes result in variations or differences in DNA from person to person.
The "typos" that happen when DNA is being copied is mutations and variations.
What are mutations?A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Moreover, mutations result either from errors in DNA replication or from the damaging effects of mutagens, such as chemicals and radiation, which react with DNA and change the structures of individual nucleotides.
Therefore, mutations within the DNA are a fairly common event. Mutations are random changes that occur within the sequence of bases in DNA. They can be large scale, altering the structure of the chromosomes.
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