Use the
Color-Enhanced TEM Magnification: 15,000 x
6. The photomicrograph shows which kind of cell?
A. prokaryotic cell C. animal cell
B. eukaryotic cell D. plant cell
Answers
A. Prokaryotic Cell.
..............
Related Questions
what is the funtion of the cilia
Answers
The function of cilia is to move water relative to the cell in a regular movement of the cilia. This process can either result in the cell moving through the water, typical for many single-celled organisms, or in moving water and its contents across the surface of the cell.
1. Comparision of DNA sequences among single-celled organisms suggests that eukaryotes are more closely related to archaea than bacteria. The type of evidence is .
Answers
The type of evidence is indicating that eukaryotes are more closely related to archaea than bacteria is BIOINFORMATICS. This field of study compares nucleotides (DNA) sequences.
Bioinformatics is an interdisciplinary discipline that uses computational tools to interpret biological data.
This field of study (bioinformatics) compares nucleotides (DNA) sequences in order to determine the evolutionary level of shared ancestry between species.
For this purpose, bioinformatics uses the linear order of nucleotides in order to compare different species.
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what should you do if you are not sure that an organism is a plant
Answers
Answer:
An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis.
Explanation:
An organism is a plant.
If you are not sure that an organism is a plant, you should observe and research the characteristics and behaviors of the organism to determine its classification.
What is the five kingdom classification?The five kingdom classification is a system of classifying living organisms into five major categories based on their fundamental characteristics. The five kingdoms are:
Monera: This kingdom includes single-celled prokaryotic organisms, such as bacteria.Protista: This kingdom includes single-celled eukaryotic organisms, such as algae and protozoa.Fungi: This kingdom includes multicellular, heterotrophic organisms, such as mushrooms and yeasts.Plantae: This kingdom includes multicellular, autotrophic organisms that are characterized by their ability to photosynthesize, such as trees, flowers, and grasses.Animalia: This kingdom includes multicellular, heterotrophic organisms that are characterized by their ability to move and sense their environment, such as animals and humans.Learn more about classification, here:
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Match the vitamin deficiencies and their symptoms.
depression
dry skin and nails
excessive bleeding
A
B6
K
Answers
Answer:
depression: B6
dry skin and nails: A
excessive bleeding: K
which of the following organisms has the largest surface area to volume ratio?
A) Bactrium
B) Butterfly
C) elephant
Answers
Answer:
B) Butterfly
Explanation:
Smaller animals tend to have a larger surface area to volume ratios. Smaller animals have breathing and heart rate faster than that of larger animals.
why is the cycling of matter important to life on earth?
Answers
Answer:
It needs to have it
Explanation:
Earth is earth
what are two terms used to describe organisms such as humans
(ecology)
Answers
Answer:
Carnivores omnivores reproducers maybe..lol
what factors are examined by the field of demography? check all that apply.
Answers
Answer:
Demography is the statistical study of human populations. Demography examines the size, structure, and movements of populations over space and time. It uses methods from history, economics, anthropology, sociology, and other fields.
What else should the second group of researchers measure to test its
hypothesis?
OA. the current levels of water in the river
ОВ.
the type of pollen in cores from a nondrought period
OC.
the composition of microscopic charcoal released during natural fires
OD
the quantities of sediments in cores from the delta during a
nondrought period
Answers
The type of pollen in cores from a nondrought period, the composition of microscopic charcoal released during natural fires, the quantities of sediments in cores from the delta during a nondrought period.
Thus option B, C, D are correct. These are the second group of test of hypothesis.
What are the steps of test of hypothesis ?Testing of Hypothesis testing is used to determine the plausibility of a hypothesis.
The test assess the plausibility of the hypothesis of a sample data.
It occurs through different steps, the first step is used to test the state the two hypotheses.
In the next step evaluation of data, third step include carry out plan and analyze the data.
The final step is to analyze the results of the data, it can either accept the hypothesis and reject the null hypothesis.
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what modern day scientist use to learn the Ordovician Period
Answers
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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also known as fat cells, the are predominant in the subcutaneous layer.
Answers
Chlorophyll appears green because it…?
Answers
Answer:
Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green. Plants that use photosynthesis to make their own food are called autotrophs.
Answer:
A. absorbs green light
B. reflects green light
C. emits green light
ANSWER: B. reflects green light
Explanation:
our eyes can only see what objects reflect, so if it's appearing green then obviously it's reflecting the green light.
When is passive transport used.
Answers
Answer:
When a molecule moves down its concentration gradient is it participating in passive transport
The duplicity theory of vision holds that a single receptor system cannot produce both high sensitivity and high resolution. What does this theory explain
Answers
Given what we know about the Duplicity theory, we can confirm that this theory attempts to explain the functions of the Rods and Cones present in the human eye.
The Duplicity theory of vision aims to provide insight as to the functions of the Rods and Cones in the human eye and how each of these contributes to our everyday vision. The theory also centers around the difference in activity between these two structures.
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help plsss
Explain the effect of viruses on living organisms.
Answers
Answer:
Viruses are microscopic biological agents that invade living hosts and infect their bodies by reproducing within their cell tissue. Viruses are tiny infectious agents that rely on living cells to multiply. They may use an animal, plant, or bacteria host to survive and reproduce
where does reduction occur in an electrolytic cell
Answers
Answer: The Cathode
Explanation:
Reduction always occurs at the cathode, and oxidation always occurs at the anode. Since reduction is the addition of electrons, electrons must travel toward the site of reduction. In an electrolytic cell the negative charge is on the cathode, while the positive charge is on the anode.
i hope this helps :)
Answer:
The Cathode
Explanation:
True or false ?
The chemical reactions of cellular respiration are anabolic reactions.
O True
O False
PLEASE HURRY ITS DUE TOMORROW AT 10:00pm
Answers
Individuals joining a population is an example of emigration / immigration
Answers
Answer:
immigration
Explanation:
Select all of the choices that are true regarding tides...
Spring tides occur when the gravitational pull of the sun and moon are in line with each other, while neap tides occur when the gravitational pull of the sun and moon are perpendicular to each other
Tides only occur in the ocean
Tidal forces are primarily caused by the moon's gravitational pull
Larger bodies of water have more noticeable tides
Tidal forces are caused by a combination of the gravitational pull of the Moon and the Sun
Spring tides occur when the gravitational pull of the sun and moon are perpendicular to each other, while neap tides occur when the gravitational pull of the sun and moon are in line with each other
Answers
Answer:
a,b,c,e
Explanation:
please mark as brainlists
A chemical reaction in a living cell occurs in the presence of a specific protein molecule. The concentration of this protein molecule remains the same before and after the reaction. This protein molecule is most likely
1. a coenzyme
2. a substrate
3. an enzyme
4. an acid
Answers
Answer:
c
Explanation:
How does the mantle differ from Earth’s crust?
Im doing stemscopess HELPPP.
Answers
This layered structure can be compared to that of a boiled egg. The crust, the outermost layer, is rigid and very thin compared with the other two. ... The mantle, which contains more iron, magnesium, and calcium than the crust, is hotter and denser because temperature and pressure inside the Earth increase with depth.
The mutation shown in the sequence below can be categorized as which type?
Original DNA sequence:
A T A C G G T A G C A A
T A T G C C A T C G T T
Mutated DNA sequence:
A T C G G T A G C A A
T A G C C A T C G A A(1 point)
insertion mutation
deletion mutation
chromosomal mutation
substitution mutation
Answers
Answer:
Deletion
Explanation:
because one base is deleted.
The mutation from A T A C G G T A G C A A to A T C G G T A G C A A is a deletion mutation.
MUTATION:Mutation is referred to as any change in the nucleotide sequence of DNA molecule. Mutation can be of different types namely: deletion mutation, substitution, insertion mutation etc. Deletion mutation is a kind of mutation that involves the removal of one or more nucleotide base from the DNA sequence. According to this question, an original sequence is given as: A T A C G G T A G C A A, mutation occurs and results in the following sequence: A T C G G T A G C A A. Nucleotide base "A" was removed from this sequence, hence, it is an example of deletion mutation.Learn more about deletion mutation at: https://brainly.com/question/6477597?referrer=searchResults
what single factor limits the size that most cells are able to attain
Answers
Answer:
The surface-volume ratio.
Which molecule is needed for photosynthesis to occur?
glucose
oxygen
carbon dioxide
nitrogen
Answers
Carbon dioxide is what the trees use for in order for us to breath
Nitrogen theres not a lot left its at 1% or less so the only reasonable answer is
Oxygen
Answer:
The answer is Carbon Dioxide/co2
Explanation:
For a clearer response, carbon dioxide is one of the substances needed for the process of photosynthesis. Oxygen is not essential because that molecule is what is being released. Glucose is the molecule being produced.
How are thorns and spines related to drought resistance?
Answers
Answer:
To survive in drought conditions, plants need to decrease transpiration to limit their water loss. Some plants that live in dry conditions have evolved to have smaller leaves and therefore fewer stomata. Extreme examples are plants with leaves that resemble spiky thorns or spines.
Match each part of the brain with the correct label. 2
Answers
Answer:
For the numbers on the brain
1. Forebrain: Telencephalon
2. Forebrain: Diencephalon
3. Hindbrain
4. Midbrain
Explanation: correct
what are the steps to make beryllium?
Answers
Answer:
Beryllium is processed from the ore in four major steps: (1) the beryl ore is converted into a standard grade of beryllium hydroxide, (2) the hydroxide is purified, (3) purified beryllium hydroxide is reacted with ammonium bifluoride for conversion into ammonium beryllium fluoride, and (4) then reduced to beryllium
Answer:
Beryllium is processed from the ore in four major steps: (1) the beryl ore is converted into a standard grade of beryllium hydroxide, (2) the hydroxide is purified, (3) purified beryllium hydroxide is reacted with ammonium bifluoride for conversion into ammonium beryllium fluoride, and (4) then reduced to beryllium ...
Explanation:
hope it helps you
Urgent Care Centers are extremely busy during cold and flu season. The influenza virus can causes symptoms such as a cough, high fever, aches, and weakness. It can be very uncomfortable for patients and causes loss of time at work. What is the best way for a person to protect themself from getting the flu?
Group of answer choices
Obtain a immunization before flu season begins.
Drink a lot of fluids and get plenty of rest.
Begin taking antibiotics as soon as symptoms begin.
Take antiviral medication as soon as fever is detected.
Answers
Answer:
Obtain a immunization before flu season begins
Explanation:
The question asks for prevention and the other answers sTate what to do when you already have it.
what factors determine if a species is fit to survive?
Answers
Answer: variation, reproduction, and heritability.
Explanation: Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population. Genetic variation is advantageous to a population because it enables some individuals to adapt to the environment while maintaining the survival of the population.
All species must reproduce to survive. Organisms cannot live forever, so they must reproduce to allow their species to continue to live on. Reproduction is nature's way of allowing a species to survive.
Higher heritability means the trait evolves faster; fewer generations are required for the trait to increase to the same degree as a trait with lower heritability. For this reason, genetic correlation and heritability show how a trait might change from one generation to the next and into the future.
40 points!!!!!!Select the correct answer from each drop-down menu.
Humans use many chemical substances for farming that consequently affect biodiversity. These compounds, which are rich in nitrogen
and phosphorus, are used to fertilize crops. Excessive use of these compounds causes
______ , which leads to
_____ in bodies of water.
Answers
Answer:
eutrophication and algal growth