Yes, when Robert Hooke first used the term cell, he intended for it to be applied to living material as he was examining cork because it is derived from living plants.
When were the cells discovered?The advancements in the design of the microscope resulted in the discovery of cells. The scientist Robert Hooke was interested in learning about the microscopic world. This is why, he improved the design of the compound microscope that was already existing, in the year 1665.
His design of the microscope utilized three different kinds of lenses and a stage light which was used to illuminate and enlarge the specimens. All these advancements allowed Hooke to see something so wonderful when he placed a slice of the cork under his advanced microscope.
His observations of this tiny and previously unseen world are recorded in his book named Micrographia. For him, the cork appeared as if it was made of tiny pores, which he called “cells” as these reminded him of the tiny rooms or cells in a monastery.
Therefore, when Robert Hooke first used the term cell, he intended for it to be applied to living material as he was examining cork because it is derived from living plants.
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The resource speaks of the atmosphere as if it were living. In the sense that as the earth's surface is heated by the light from the sun, it is heated unequally. Describe how this heat energy is redistributed globally.
Answer:
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Explanation:
Breah is a 24-year-old who wants to follow the recommendations of dietary guidelines for americans, 2010. she consumes no more than 1500 mg sodium/day; her cholesterol intake is about 400 mg/day; and her intake of folic acid is 400 mcg/day. according to this information, she should reduce her intake of
How do the plant organs studied relate to organs in the human body?
Which is true about acetylcholinesterase? which is true about acetylcholinesterase? agent that blocks ach from binding to cholinergic receptors on the motor end plate enzyme that normally breaks down ach at the motor end plate agent in nerve gas and pesticides that prevents the enzymatic breakdown of acetylcholine neurotransmitter that is secreted by somatic motor neurons at the nmj?
Acetylcholinesterase (AChE) or acetylhydrolasee is an enzyme that hydrolyzes the neurotransmitter acetylcholine. It is responsible for inactivating acetylcholine (Ach) when an electrical response of a muscle cell is turned off. Organophosphates are responsible for inhibiting AChE and thus precent inactivation of Ach.
How does acid rain affect aquatic animals?
A grocery store newspaper claims that apple cider and honey can cure cancer, bronchitis, acne, bad breath, heart disease, athlete's foot, asthma, the common cold, and other ailments. a shopper decides to consume apple cider and honey exclusively. what questions should the shopper have asked before adopting the apple cider and honey diet?
N pea plants there is complete dominance for the trait of flower color. the p allele produces purple flowers and p produces white flowers. a cross of two pea plants which are both heterozygous for flower color will produce offspring with the genotypic ratio
Viruses have two main structures: a(n) _____ and genetic material.
If a patient has been exposed to an antigen for the first time, which class of immunoglobulin appears first? hints if a patient has been exposed to an antigen for the first time, which class of immunoglobulin appears first? ige igd igg igm
Type 11b fast twitch muscle fibers are those used in a short sprint
a. True
b. False
Answer:
true
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Explanation:
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Sometimes happens when a new kind of organism is introduced in an area
Which statement about how organisms depend on abiotic factors in an aquatic ecosystem is not true? a. most living organisms can survive in environments with several different temperature and salinity levels b. both aquatic plants and animals depend on dissolved oxygen for respiration c. abiotic factors that impact an aquatic ecosystem include temperature, salinity, flow, and dissolved oxygen in the water d. abiotic factors of an aquatic ecosystem determine what kind of life can exist in that environment
Which is not an infection caused by a fungus?
a. athlete's foot
b. thrush
c. trachoma
d. vaginal yeast infection?
A set of flashcards on prokaryotes is being sorted into piles. which definition should not be placed in the pile for high-gc gram-positive bacteria? a. they have a higher proportion of adenine–thymine than guanine–cytosine base pairs. b. they include several medically important bacteria. c. one species that is a human pathogen arose three million years ago in east africa. d. some species reproduce by forming chains of spores at the tips of filaments. e. they develop an elaborately branched system of filaments.
What happens After organic molecules such as Carbohydrates lipids and proteins are consumed
An intuitive hunch is most likely to be accurate when:
Which of these statements are true about the Mycenaeans
Early elements of the cell theory followed soon after the development of hooke's light microscope. what does this relationship suggest about the evolution of the cell theory since hooke?
A plant wilting is an example of what process?
Osmosis. I chose osmosis because when a plant wilts, it means a type of passive transport that occurs when water diffuses through a cell membrane which causes the plant to wilt which means sag or drop down.
Strip mining is often involved in the production of
How do enzymes maintain homeostasis at the cellular level?
Nucleotides are added to the growing dna strand during the _________ phase
Suppose an enzyme that is involved in cellular respiration is assembled by a ribosome. where will this enzyme need to be transported in order to perform its function?
What are 2 organelles that are in a plant cell but not anima;?
Cody is a teenager with a history of leukemia and an enlarged spleen. today he presents with fairly significant left upper quadrant (luq) pain. on examination of this area, a rough grating noise is heard. what is this sound?
Why is it important that antibodies have a symmetrical quaternary structure? to enable binding to many different antigens to create a variable region to create two identical binding sites for antigens to ensure a stable structure?
Final answer:
Antibodies have a symmetrical quaternary structure that is important for several reasons. It enables binding to many different antigens, creates a variable region for different specificities of binding, and ensures a stable structure for proper immune function.
Explanation:
Antibodies have a symmetrical quaternary structure for several important reasons. One reason is to enable binding to many different antigens. The symmetrical structure allows for the creation of a variable region within the antibody, which allows for different antibodies to have different specificities of binding. Additionally, the symmetrical structure creates two identical binding sites for antigens, which increases the efficiency and effectiveness of antibody-antigen interactions. Finally, having a symmetrical structure ensures a stable antibody structure, allowing for the proper functioning of the antibody in the immune response.
What characteristic of living things is represented by a puffball releasing millions of spores
How do the sperm cells of nonvascular plants reach the egg cells during reproduction?
The sperm cells are blown by the wind and land on the egg cells.
The sperm cells swim to the egg cells through their watery surroundings.
The sperm cells are forcefully ejected from their capsules to hit the egg cells.
Sperm cells of nonvascular plants use water to swim towards the egg cells; they are motile due to flagella and attracted chemically to the eggs for fertilization. Hence, option 2 is correct.
Nonvascular plants, such as mosses and liverworts, release sperm cells that are equipped with flagella. These flagellated sperm cells are motile and can swim through the water film or droplets that are found in their moist environments. The sperm are chemically attracted to the egg cells and swim towards them to achieve fertilization. This means that for nonvascular plants, water is an essential medium for successful reproductive cycles, unlike some seed plants that use a pollen tube in a process called siphonogamy or rely on pollinators. It's important to note that in these nonvascular plants, reproduction cannot occur without water as the sperm are incapable of reaching the egg cells through wind or being forcibly ejected as they rely on swimming.
Blockage of a major artery is caused by a blood clot. these clots may form when ________.
Groundwater _____.
A: is recharged by precipitation.
B: stays in one place and never moves.
C:is only found in areas with wet climates.
D:exists mostly as underground rivers and lakes.
Final answer:
Groundwater is primarily recharged by precipitation, moves through the subsurface, and is stored in aquifers. It is not confined to just staying in place, wet climates, or existing as underground rivers and lakes.
Explanation:
The correct answer to the question "Groundwater _____" is A: is recharged by precipitation. Groundwater occupies the zone of saturation and moves throughout the subsurface. It is replenished or recharged through processes like infiltration and seepage from surface water as well as precipitation. Contrary to some of the other options given, groundwater does not only stay in one place, nor is it only found in areas with wet climates. It is also not exclusively in the form of underground rivers and lakes but exists primarily in the pores of soil and rock formations known as aquifers. Groundwater plays a crucial role in the hydrologic cycle, contributing to the flow of streams and rivers and serving as a vital source of fresh water for various uses, including drinking and irrigation.