1. Quasars are extremely distant celestial bodies. Investigators
using a special telescope determined that a certain quasar
was emitting waves with a frequency of 1.41 x 10° Hz. An
electromagnetic spectrum is shown.
gamma rays
visible light
Radio
waves
Electromagnetic Spectrum
Infrared Visible Ultraviolet
rays light waves
microwaves
Microwaves
Gamma
rays
X-rays
102
102
10-30
10-12
10-5
5 x 10 10
Wavelength (m)
d
X-rays
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10*
10
10
1020
102
101 10'
Frequency (Hz)
C
The investigators were most likely using a telescope that
detects-
Answers
Answer: microwaves
Explanation:
The investigators were most likely using a Telescope that detects ; ( C ) microwaves
From the electromagnetic spectrum provided the wavelength of a microwave is 10⁻² and the frequency of the microwave is about 10⁸ Hz which is closest to 10⁹ Hz. Given that the frequency detected with the use of the spatial telescope was 1.4 * 10⁹ Hz.
The most likely wave that this telescope would detect is Microwave because its frequency falls within the closest frequency range of the telescope.
Hence we can conclude that The investigators were most likely using a Telescope that detects ; ( C ) microwaves
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Related Questions
3. The nitrogenous base, adenine, pairs with
A. Cytosine
B. Guanine
C. Thymine
D. Uracil
hurry please !
Answers
Answer: C) Thymine
Explanation: 100% sure this is the answer! pls mark brainliest!
An element is made up of how many types of atoms? Question 1 options: An element is made up of three types of atom. An element is not made up of atoms. An element is made up of only two types of atoms. An element is made up of only one type of atom.An element is made up of how many types of atoms? Question 1 options: An element is made up of three types of atom. An element is not made up of atoms. An element is made up of only two types of atoms. An element is made up of only one type of atom.
Answers
Answer:
✰It's the last option: An element is made up of only one type of atom.
✏︎Wich is D
✰An element is made up of only one type of atom. Is your answer!!✘
Explanation: if you look at the definition it said that....…..….…..…..…
~An element is a pure substance which cannot be broken down by chemical means, consisting of atoms which have identical numbers of protons in their atomic nuclei. The number of protons in the nucleus is the defining property of an element, and is referred to as the atomic number
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Which statement best defines a protist? an organism that reproduces by spores and feeds on decaying matter a eukaryote that is either animal-like, plant-like, or fungus-like a foot-like extension that is used for eating and movement a long, whip-like extension that is used for movement
Answers
Answer:
B. A eukaryotic that is either animal-like, plant-like, or fungus-like.
Explanation:
A protist is best defined as an eukaryote that is either animal-like, plant-like, or fungus-like.
WHAT IS A PROTIST?A protist is an eukaryotic i.e. possess a membrane-bound nucleus organism that belongs to the kingdom Protista.
The kingdom Protista is different from all other kingdoms such as;
FungiAnimaliaPlantaeThis means that an organism classified as a protist can be defined as an eukaryote that is either animal-like, plant-like, or fungus-like.
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Enzymes speed up chemical reactions. Which statement correctly identifies the function of the enzymes involved in DNA replication?
A: Helicase adds hydrogen bonds to the template strand DNA polymerase breaks nitrogen bases
B: Helicase adds nitrogen bases to the template strand, DNA polymerase breaks hydrogen bonds
I
C : Helicase breaks nitrogen bases in the template strand. DNA polymerase adds hydrogen bonds
D : Helicase breaks hydrogen bonds in the template strand DNA polymerase adds nitrogen bases
Answers
Answer:
D: Helicase breaks hydrogen bonds in the template strand, DNA polymerase adds nitrogen bases
Explanation:
DNA replication is the process whereby DNA content is duplicated. This process of DNA replication is carried out with the aid of certain enzymes. Two of those important enzymes as stated in this question are DNA Helicase and DNA polymerase.
- DNA Helicase is the enzyme that breaks the hydrogen bonds that holds the two DNA strands in the molecule together. This separates the double-stranded DNA into two single strands.
- DNA polymerase is another enzyme that which carries out the nucleotide synthesis. DNA adds nitrogen bases to the new DNA strand based on what it reads on the DNA template
When ___________ occur(s) during DNA replication, it can lead to genetic variation after a cell divides into daughter cells.
A) Mutation(s)
B) Adaptation
C) Conjugation
D) Reproduction
Answers
Answer:
I believe it is D. Reproduction
Explanation:
Which statement best describes the function of nucleic acids?
A. Stores genetic information and helps to make proteins
B. Increases the rate of chemical reactions
C. Stimulates metabolism in all body cells
D
Activates secretion of the body's hormones
Answers
Answer:
A. stores genetic info and helps make proteins.
Explanation:
Nucleic acids are DNA and RNA.
The statement that best describes the function of nucleic acid is stored genetic information and helps to make proteins. The correct option is A.
What is nucleic acid?Nucleic acid is a macromolecule. Nucleic acid is made up of nucleotides. The composition of nucleotides is a 5-carbon sugar, a phosphate group, and a nitrogenous base.
Nucleic acid is the main component of the genetic material of the living organism. They are DNA and RNA. DNA is the main genetic material of animals and plants, and RNA is found in some bacteria and some plants.
DNA and RNA store the genetic information of the organism. As this, nucleic acid also contains genetic material. This genetic information is used in synthesizing proteins.
Thus, the correct option is A. Stores genetic information and helps to make proteins.
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if a person happens to have a blood type which is AB+, can we consider it as a case under the codominance pattern of inheritance? why or why not?
Answers
In codominant inheritance , two different versions (alleles) of a gene are expressed, and each version makes a slightly different protein. Both alleles influence the genetic trait or determine the characteristics of the genetic condition
Two heterozygous tail pea plants with the same genotype, Tt, are crossed. What is the probability that the offspring of this cross will have a heterozygous genotype?
A. 50%
B. 25%
C. 100%
D. 75%
Answers
how many antennae’s does a dragonfly have?
Answers
Answer: Dragonflies have two antennae.
(hope this helps ^^)
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There are five islands in a row in the ocean. They all formed from volcanic activity. The most southern of the islands is the biggest, and it has the tallest mountains. The most northern of the islands is the smallest, and its mountains are the smallest.
Select the correct answer from the list.
The most northern of the islands is the _____ (OLDEST / YOUNGEST) island. The most southern of the islands is the _____ (OLDEST / YOUNGEST). The most southern of the islands has experienced _____ (LESS / MORE) weathering and erosion than the other four islands.
Answers
Answer:
Honors Earth Science Weather Erosion Impact Quiz
1. The most northern of the islands is the OLDEST. The most southern of the islands is the YOUNGEST. The most southern of the islands has experienced LESS weathering...
2. d. thousands of years
3. c. acid rain breaking down...
d. oxidation of certain...
4. b. root wedging
5. b. hydrolysis
d. dissolution
6. b. delta
7. ice wedging
Explanation:
These were the graded correct answers.
The most northern of the islands is the OLDEST. The most southern of the islands is the YOUNGEST. The most southern of the islands has experienced LESS weathering.
How does Islands formed?Oceanic islands are those islands which rise to the surface of land from the floors of the ocean basins. Continental islands are simply the unsubmerged parts of continental shelf which are entirely surrounded by water from all the sides. Many of the larger islands of the world are of the continental type only.
As volcanoes erupt, they build up different layers of lava which may eventually break the water surface. When the tops of these volcanoes appear above the water level, an island is formed. While the volcano is still beneath the ocean surface, it is known as a seamount. Oceanic islands can form from the different types of volcanoes.
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Observing a human tissue sample under a microscope would be an example of what division of anatomical study?
Answers
Answer: Histology is the study of the microscopic anatomy of cells and tissues of plants and animals. It is performed by examining a thin slice (section) of tissue under a light microscope or electron microscope.
Explanation:
PLS HELP!!!!!!
A ____ reaction is the change that takes place when two or more substances interact to form new substances.
Answers
Answer:
I think its chemical.
Explanation:
SORRY IF WRONG!! :(
Answer:
Chemical
Explanation:Give the precious smol bean the brainliest they deserve.
Endoplasmic reticulum the Golgi apparatus, vacuoles, and lysosomes in a eukaryotic cell are made up of mostly what?
Answers
Answer:
Glucose (I think)
Explanation:
can someone help be with #3
Answers
Whatever you put force into it exerts the same amount of force.
help pls help pls question is above
Answers
It is eitheir b or d
Cells transport substances across the cell membrane through a variety of means.
Which of the following diagrams represents the movement of substances across the
membrane using a channel protein?
Answers
Answer:
facilitated diffusion.
What two properties of life can be connected to each other? Explain how
Answers
Answer:
Explanation:
Properties of Life. All groups of living organisms share several key characteristics or functions: order, sensitivity or response to stimuli, reproduction, adaptation, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life.
I’m snapdragons flower color is controlled by incomplete dominance...
Answers
The digestive system's main function is to
O protect the body against infectious diseases
O support and protect the body's organs.
O store nutrients until they are absorbed into the bones O break down food to be absorbed in the bloodstream.
Answers
in your own words, explain why osmosis is really just a special case of facilitated diffusion
Answers
Answer: It describes water molecules moving across a membrane, which allows the water molecules to pass in and out freely, but forbids the motion of other molecules.
Explanation:
A in Biology class last year.
Osmosis is really just a special case of facilitated diffusion because it
doesn't permit the movement of some molecules.
Osmosis can be defined as the movement of solvent molecules such as
water from a region of higher concentration to a region of lower
concentration through a semi-permeable membrane.
Osmosis is however a special case of facilitated diffusion because it permits
the movement of water molecules and inhibits the movement of other
molecules such as sugar etc.
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Do molecules crossing a membrane using active transport go WITH or AGAINST the concentration gradient??
Answers
The concentration gradient is the probability of where ions will go freely to try and make the concentration the same in each part of the cell. When ions want to cross into the membrane, most of them will have to go against the concentration gradient and will use energy to do so!
Hope that helps :)
24. Why is pure water neutral?
a, more hydronium than hydroxide
b. equal numbers of hydronium and hydroxide
c. more hydroxide than hydronium
d. none of the above
Answers
explanation- in the case of pure water there are always going to be the same number of hydrogen ions and hydroxide ions present.
Answer:
B
Explanation:
please help jdixnwjdj
Answers
Answer: Homeostasis
Explanation: One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.
which statement correctly describes the relationship between genes, proteins, and traits?
Answers
Answer:
C. Genes are transcribed into mRNA, the mRNA is then translated into proteins, which determines specific traits.
Explanation:
Genes are segments of the genetic material (DNA) that encodes certain products, which are heritable. In the central dogma of biology, genes are expressed via two processes viz: transcription and translation.
Transcription is the process whereby the information in genes are used to synthesize mRNA molecule, while Translation is the process whereby the mRNA molecule is used to synthesize proteins in the ribosome.
The proteins are responsible for the individual characteristics or traits possessed by living organisms. For example, MELANIN GENE is transcribed into MELANIN mRNA, which is then translated into MELANIN PROTEIN responsible for the skin colour (trait).
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Use the periodic table to answer the questions below
11. Sodium is an element found in table salt. What group is Sodium in? * 15
(1 Point)
Enter your answer
Answers
Answer:
YOU CAN DO IT I BELIEVE IN YOU I am miss MOTIVATOR
To see a general vlew of a mlcroscope sllde, use_____ power. If you need to see a more speclfic and detalled vlew, Use___________ power.
Answers
Answer:
low; high
answer is above
please help asap i will mark brainliest
Answers
Answer:
the last one
it has one side that is positively charged and one side that is negatively charged
Answer:
D
Explanation:
A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons.
what are the functions of the nucleolus?
Check all that apple
A)converting energy from food into a form the cell can use
B) beginning ribosome assembly
C) regulating the cells interaction with its surroundings
D) translating the code contain by DNA into proteins the cell needs for structure and function
Answers
Answer:
the answer is B) ribosome assembly
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Caused by differences in the density of ocean water; flows slowly.
Gulf Stream
deep current
surface current
Answers
Answer:
it is either B or C but probably C
When hydrogen and oxygen combine to form water, water is
Play
a product.
O a reactant.
both a product and a reactant.
O neither a product nor a reactant.
Answers
Answer:
water is a product
Explanation:
hydrogen and oxygen are the reactants combining together the make the final product of Water.