Answer:
The correct answer is - analogous.
Explanation:
Analogous structures or organs are the structures with the same look which is developed to perform the same job and not present because inherited by a common ancestor.
These structures are present in unrelated organisms and look the same from outside and perform the same action for example wings of bat and birds look and perform the same action but not inherited from a common ancestor.
What happens to the actin and myosin during a muscle contraction?
Answer:
Once the myosin-binding sites are exposed, and if sufficient ATP is present, myosin binds to actin to begin cross-bridge cycling. Then the sarcomere shortens and the muscle contracts. In the absence of calcium, this binding does not occur, so the presence of free calcium is an important regulator of muscle contraction.
What is the common name of plant #3 and what biome would it most likely grow in? Name one adaptation that helps it survive in its biome.
Answer:
B
Explanation:
NEED HELP RLLY BAD!!!!!
Which of the following is not an example of a lipid?
a. triglyceride
b. steroid
c. enzyme
d. phospholipid
Answer:
c. enzyme
Explanation: lipids are oily or wax-like organic molecules found in living things . They are what make up fat and oils
Which of the following best describes a benefit of one type of non-renewable energy
Answer:
C
Explanation:
Answer:
Non-renewable sources are cheap and easy to use.
You can use small amount of nuclear energy to produce large amount of power.
Non-renewable have little or no competition at all.
They are considered as cheap when converting from one type of energy to another.
Explanation:
The genotype dd is considered what? (2 words)
Answer:
recessive hope this is helps
Explanation:
Answer:
recessive dimple
Explanation:
Put the steps in the proper order to explain the flow of information from the DNA sequence to a functional protein.
1. The codon sequence in mRNA determines the amino acid sequence in a polypeptide.
2. Each codon in mRNA codes for a specific amino acid.
3. The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.
4. The final structure of a protein determines its function.
5. Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA.
Answer:
5. Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA.
2. Each codon in mRNA codes for a specific amino acid.
1. The codon sequence in mRNA determines the amino acid sequence in a polypeptide.
3. The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.
4. The final structure of a protein determines its function.
Explanation:
The process of gene expression follows the central dogma of biology I.e. Gene (DNA) --> mRNA ---> Protein. The process of gene forming mRNA is called transcription while the process of mRNA forming protein is called translation.
Based on this, the order of the flow of information from the DNA sequence to a functional protein is:
- Each three nucleotides in the gene template DNA codes for a three nucleotide codon in mRNA (transcription).
- Each codon in mRNA codes for a specific amino acid.
- The codon sequence in mRNA determines the amino acid sequence in a polypeptide (translation).
- The sequence of amino acids in a polypeptide determines how the protein will fold and possibly bind with other polypeptides to form a mature protein.
- The final structure of a proteiin determines its function.
The order is 'three nucleotides in DNA codes for a codon', 'each codon codes an amino acid', 'codon sequence determine amino acid sequence', 'amino acids determine protein folding' and 'final protein structure determines its function'.
During gene transcription, a fragment of DNA referred to as 'gene' is used as a template to create an mRNA, which is then used to synthesize a polypeptide.
The triplets of nucleotides or 'codons' in the mRNA sequence determine the amino acid sequence in the nascent polypeptide chain.
The synthesized protein is then folded in the endoplasmic reticulum (ER) and thus adopts its three-dimensional (3D) conformation.
Protein folding is achieved by specific proteins called chaperones that help to correctly fold the protein, which adopts a mature conformational active state.
In conclusion, the order is 'three nucleotides in DNA codes for a codon', 'each codon codes an amino acid', 'codon sequence determine amino acid sequence', 'amino acids determine protein folding' and 'final protein structure determines its function' (order 52134).
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If a cell in G1 has 20 chromosomes, then at the end of meiosis I there will be _________ chromosomes in each daughter cell, and __________ sister chromatids in each daughter cell.
Answer:
10 chromosomes
20 chromatids
Explanation:
Meiosis is the process by which sexually reproducing organisms produce gametes for sexual reproduction. Meiosis, which reduces the chromosomal number of the parent cell by half, occurs in two stages namely: meiosis I and meiosis II.
Meiosis I is where the actual reduction in chromosomal number takes place because homologous chromosomes are separated in this stage. For example, a cell in G1 that has 20 chromosomes will have 10 chromosomes in each daughter cell at the end of meiosis I.
Since, DNA replication occurs in the S-phase, sister chromatids are formed for each chromosome. Hence, there would be 20 sister chromatids joined together by a centromere at the end of meiosis I.
If one strand of DNA has the base sequence TTCCGGAA The complementary strand has which of the following sequence?
Answer:
If a DNA strand has the base sequence TTCCGGAA the complementary strand has the sequence AAGGCCTT.
Explanation:
A DNA molecule is constructed from sequences of its four nitrogenous bases: adenine, thymine, guanine and cytosine. Since DNA is made up of two strands, the sequence of nitrogenous bases of one strand is complementary to the other .
The complementarity of the bases is a characteristic of the nitrogenous bases in the nucleic acids to combine with their complementary base, which is the same as saying that purines complement with pyramidines.
Adenine is combined with Thymine A=T Cytosine is complemented with Guanina C≡GIn this way, given a sequence on a DNA strand :
T-T-C-C-G-G-A-A
The complementary strand will have this sequence:
A-A-G-G-C-C-T-T
What is the most common weather patterns for the tropics?
Your answer
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most bacteria reproduce by
Answer: Most bacteria rely on binary fission for propagation.
Explanation: Hope this helps have a great day!
Answer: Most bacteria reproduce by binary fission, also know as propagation.
How many nitrogen atoms are there in 5 molecules of N2H4
Hint: The symbol for nitrogen is N
10
In one molecule of N2H4 (Hydrazine), there are two nitrogen atoms.
So, to find how many there are in five molecules, multiply by five.
2 x 5 = 10
Tissue collections that carry out specific functions are called _________
A. Cells
B. Organs
C. Organ Systems
D. Organisms
Answer:
B. organs is the right one
Explanation:
brainliest plss!!!!!1
Answer:
B. Organs
Explanation:
Cells make up tissues. Tissues make up organs. Organs then make up organ systems, which make up organisms. Hope this helps!
these minerals are formed through crystallization of molten materials which statement best describes these two minerals?
the mineral on the left formed from lava
the mineral on the right formed from magma
the mineral on the left has smaller crystals in the middle on the right
the mineral on the left cool more slowly than the mineral on the right
Answer:
The answer is D.
Explanation:
Just took the quiz and got it correct.
The correct statement is that the mineral on the left cool more slowly than the mineral on the right
The crystallization process is simply known as the way through which atoms are arranged to form a material with a crystal structure.
A ways minerals is formed is by:
Crystallization of magma or lava
The minerals that forms igneous rocks often solidify or freeze at different temperatures.
Magma are created underground, in the lower crust or upper mantle, due to the intense heat there.
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What is the length of a 0.2-mm object expressed in je m?
O 200 pm
O 0.02 pm
O 200.000 jem
Answer:
200.000 in je m
Explanation:
1 je m is equal to 1000 mm.
Therefore 0.2 mmm will be equal to 1000 × 0.2 mmm
This will give us 200 je m.
what risk does liquefaction pose during an earthquake?
Answer:
It can turn loose soil into a liquid during an earthquake. supports of buildings, bridges, pipelines, and roads, causing them to sink into the ground, collapse or dissolve.
Explanation:
What methods would the body use to provide a
person with energy throughout a race?
DONE
C
Intro
Answer:
The methods the body would use to provide a person with energy throughout a race is using the ATP in the muscle cells for the first 3 seconds.
For the next 8 to 10 seconds, the body replaces the used ATP and produces more.
Within the next 90 seconds of the race, anaerobic respiration is used up to make more ATP (Adenosine triphosphate).
Therefore, during the whole process, the three energy systems used are:
the ATP-PC System
the Glycolytic system
the Oxidative system
Answer:
The methods the body would use to provide a person with energy throughout a race is using the ATP in the muscle cells for the first 3 seconds.
For the next 8 to 10 seconds, the body replaces the used ATP and produces more.
Within the next 90 seconds of the race, anaerobic respiration is used up to make more ATP (Adenosine triphosphate).
Explanation:
ALOT OF POINTS MARKING POEPLE AS BRAINLIST ⚠️⚠️
7. List 5 factors, other than the lynx, that could change the number of hares.
Answer:
1. Weather
2. Humans
3. Grass
4. Lynx's Predators
5. Other Grass eaters
Identify the three types of neurons, and explain the function of each type
Answer:
Sensory neurons help you:
taste
smell
hear
see
feel things around you
Explanation:
Motor neurons
Motor neurons play a role in movement, including voluntary and involuntary movements. These neurons allow the brain and spinal cord to communicate with muscles, organs, and glands all over the body.
Interneurons
Interneurons are neural intermediaries found in your brain and spinal cord. They’re the most common type of neuron. They pass signals from sensory neurons and other interneurons to motor neurons and other interneurons. Often, they form complex circuits that help you to react to external stimuli.
Predict what would happen if chemical energy is burned?
Energy is converted to mechanical energy.
The amount of chemical energy starts to decrease.
Energy is destroyed.
Sound energy can be created through an explosion.
Answer:
The amount of chemical energy starts to decrease.
Explanation:
Hope this helped
sort Desk Clerk Work
According to O'NET, what are common work styles
needed by Hotel, Motel, and Resort Desk Clerks?
Check all that apply.
concern for others
stress tolerance
aggressiveness
cooperation
avoidance of others
dependability
Answer:
Concern for others. Stress tolerance. Cooperation. Dependability. abde
PLEASE HELP ME WITH THIS QUESTION
Answer:
D
Explanation:
how is a bacterium different from ours
Answer:
Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.
Explanation:
Answer:
Viruses are tinier than bacteria. In fact, the largest virus is smaller than the smallest bacterium. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host.
Explanation:
why are people scared of spiders?
ligase nickname and function!
Answer:
Nickname=DNA or synthatese
Explanation:
Function =it is used in cells to join together the okazaki fragments which are form on the lagging strand during DNA replication.
Please solve this lab reportJohn had a science fair project that he needed to do. He wanted to test the effects that organic and chemical fertilizers had on plant growth. John predicted that the organic fertilizer would make the plants grow taller. He used three pots, three of the same type of seed, soil, organic fertilizer, chemical fertilizer, water, and a ruler. John put soil in the pots. He added chemical fertilizer to the first pot, organic fertilizer in the second pot, and no fertilizer in the third pot. He then planted one seed in each pot. John had to water the pots daily. He also checked for growth and took measurements for a period of 10 days. He measured the height of the plants. FIll out this templatePractice Writing a Lab Report Instructions: Use the lab example given to complete the Practice Writing a Lab Report activity. Please fill in this lab report with the appropriate information and data. Title: Include your name, instructor’s name, and the name of the lab Objecti
Answer:
This question is incomplete; the complete part is: what are the independent, dependent, and controlled variables?
Independent variable: ORGANIC AND CHEMICAL FERTILIZERS
Dependent variable: HEIGHT OF PLANT
Controlled variable: Same type of seed, water
Explanation:
Independent variable is the variable that is changed or manipulated by the experimenter. In this question, John wanted to test the effects that organic and chemical fertilizers had on plant growth. Hence, the independent variable is the ORGANIC AND CHEMICAL FERTILIZERS used.
Dependent variable is the variable that responds to changes made to the independent variable. The dependent variable is the variable that is measured in an experiment. In this case, the HEIGHT OF PLANTS MEASURED is the dependent variable.
Controlled variable or Constant is the variable that is kept unchanged throughout the experiment in order not to influence the experimental result or outcome. In this case, the controlled variable is the SAME TYPE OF SEED USED, WATER.
Which two words are the closest antonyms?
Hint
А
Phenomenon and occurrence
B
Observe and determine
C
Sudden and gradual
D
Tremendous and powerful
Answer:
(B)
Explanation:
que estan ELABORANDO los medicos para hacer la cura del coronavirus...AYUDA
Answer:
Vacunas
Explanation:
Las vacuna son preparaciones seguras obtenidas mediante numerosos ensayos clínicos, cuyo objetivo es generar inmunidad contra una enfermedad mediante la producción de anticuerpos. Basicamente, existen tres tipos de vacunas: vacunas atenuadas, vacunas de ARN mensajero y vacunas de terapia genética. En primer lugar, las vacunas atenuadas están desarrolladas usando fragmentos del virus que provoca la enfermedad, lo cual se conoce como vacunas atenuadas porque están fabricadas con virus atenuados/inactivados. Por otra parte, en los últimos años, han sido desarrolladas vacunas derivadas de ARN mensajeros (ARNm) las cuales permiten sintetizar una proteína específica del virus (antígeno) y de este modo generar una respuesta inmune que permanecerá ante una posible infección. Finalmente, las vacunas de terapia génica utilizan como vector un virus que no se integra al genoma pero que es altamente estable, como por ejemplo un adenovirus (un virus del resfriado común), el cual permite introducir en las células la información genética del patógeno a fin de generar proteínas virales específicas capaces de desencadenar una respuesta inmune, es decir, generar anticuerpos específicos, contra el virus.
Which numbered organelle produces ATP during cell respiration? 1,7,9,13
Answer:
9
Explanation:
The process by which a modified stem or root of a parent plant grows offspring that remain attached is called(1 point)
A. vegetative reproduction.
B. fragmentation.
C. binary fission.
D. tuber reproduction.
Answer:
C
Explanation:
The process by which a modified stem or root of a parent plant grows offspring that remain attached is called vegetative reproduction.
Which are parts of a seed?
1.stigma, style, ovary
2.endosperm, embryo, seed coat
3.tube, generative nucleus, pollen grain
4.polar nuclei, sperm, egg
Answer:
2
Explanation:
endosperm, embryo, seed coat
Answer:
Endosperm, embryo, and seed coat
Explanation: