Answer:
False.
Explanation:
The first living organisms were very simple and unicellular.
When water is moving through the water cycle, what has to change in order for the water to move?
Answer:
The state of watwe
Explanation:
In order for the water cycle to happen, water has to change it's state from liquid to gas
The original DNA gene for a certain protein reads “TTC CAT GGG GAC." The mutated version of this gene reads “TTC CGT GGG GAC." This type of mutation is best described as...
A frameshift mutation
A silent mutation
An addition mutation
A substitution mutation
D. A Substitution Mutation
Answer:
substitution
Explanation:
the "a" in the trio "cat" was changed to a"g"
Which of these best describes the tiny leg bones that some whales have, which do not aid in their movement or serve any other function?
O structures that grow and improve in function as they are used
O structures that function at certain times of the year or under certain conditions
O structures that will become adaptations when the environment changes
O structures that have lost all or most of their function over evolutionary time
Answer:
D. structures that have lost all or most of their function over evolutionary time
Explanation:
the question states that the leg bones are almost entirely unused because of evolution
The study of change over a period of time is called evolution.
The correct answer of the following is D.
The change in the species over the period of time is called evolution. It is necessary to adapt itself in order to survive in nature.
According to the lamark, it is said that the organs which are no longer used in the body will become vestigial and will be removed from the body over a period of time.
According to the question, the small bones in the whale is might have functioned in the ancestor period but not in the current time due to the course of the evolution.
Hence, the correct answer is D that structures that have lost all or most of their function over evolutionary time.
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what are the three characteristics of fat cells
Answer:
Their body like bulbous little spherehas membrane and nucleusmade up of dropletsHow is the proportion of hydrogen to helium in the Sun's core changing over time?
Answer: The percentage of the helium will increase with the decrease in the percentage of the hydrogen.
Explanation:
The conversion of the hydrogen into helium occurs by the nuclear fusion of the hydrogen atoms. This process reduces the hydrogen density and reduces the energy production inside the core region. Typically, in the core region of the hydrogen is converted into the helium by nuclear fusion. Four hydrogen atoms are collectively fuse to form one atom of helium. This process involves the production of heat energy.
which animal is most likely to be found in a river? a. starfish b. trout c .tuna d. shark
In a cross Bb x Bb (B = Blue petals and b = pink petals), how many offspring will have the genotype Bb?
Answer:
2 offspring will have the genotype Bb.
Explanation:
Crossing the genotypes Bb and Bb results in 2, or 50% of the offspring having the genotype Bb. In the top right box, the B on the top and the B on the side make the BB genotype. In the top left box, B and b make the first Bb genotype. The lower right box crosses B and b to make the second Bb genotype. The last box in the bottom right crosses b and b, resulting in the genotype bb. So, after crossing the genotypes written on the top and side of the punnet square, 2 of the offspring will have the Bb genotype. (I got this by combining the letters outside the punnet square in the box where the row and column meet) .
The process by which atomic nuclei spontaneously decay is called ________________. *
a. relative dating
b. radioactivity
c. erosion
d. deposition
b. radioactivity
The process by which atomic nuclei spontaneously decay is called radioactive decay. Explanation : This is also known as nuclear decay on a general basis In this process of radioactivity the unstable atomic nucleus loses energy .
A cross between a chestnut horse (CC) and a white horse (WW) will yield a horse with a brown with white spotted coat pattern known as palomino (CW). What kind of dominance is this?
A. codominance
B. simple dominance
C. sex linked
Answer:
A. codominance
Explanation:
Can someone pls help . I WILL MARK U BRAINLIEST !!!!
The forces that move tectonic plates also move rocks along the fault._________
Answer:
line
Explanation:
learned in edge 2020 and in school
URGENT!!!
Growing hay and grazing animals on land improves its ecological profile.
True
False
(Agricultrual Science)
Someone help me pls
True or false, Raising large-scale livestock leads to large releases of methane to the environment.
A capacitor is made from two conducting plates and is separated by a material the does not
electricity.
Answer:
i assume you want the gap filled
Explanation: that does not CONDUCT electricity
Explain the seasons in the
Northern and Southern Hemispheres in
terms of the tilt of the Earth's axis
relative to the Earth's revolution around
the Sun
Answer:
Seasons are caused by the Earth's auxiliary tilt. As the Earth revolves around the sun the tilt causes the Northern ans Southern hemispheres to trade places.
Explanation:
Hey sorry It's Chloe again I ask a lot of questions I'm sorry, But I need facts and topics on birds for a report
Thank you :)
Answer:
Ravens are great at mimicking human speech and sounds. ...
Ostriches have the largest eyes of any land animal. ...
Cardinals like to cover themselves in ants. ...
Owls devour their prey whole. ...
Some ducks sleep with one eye open. ...
Kiwis are sometimes called "honorary mammals." ...
Most hummingbirds weigh less than a nickel.
Explanation:
Answer:
Facts
Birds have feathers, wings,lay eggs nd are warm blooded
There around 10000 different species of birds worldwide
The Ostrich is the largest Bird in the world
Scientists believe that birds evolved from theropod dinosaurs
Birds have hollow bones which help them fly
The Smallest bird egg belongs to the hummingbird and is the size of a pea
Around 20% of bird species migrate long distances every year
Hummingbirds can fly backwards
Topics:
Feathers
wings
beak
Explanation:
i hope this helps
Which describes the correct pairing of DNA bases?
A. C with C, and G with G
O B. C with T, and G with A
O c. C with A, and G with T
O D. C with G, and A with T
The correct pairing of DNA bases is D. C with G, and A with T. Thus, option "D" is correct.
What is DNA replication?DNA replication is a process of the formation of two molecules of DNA from a single DNA molecule (which is double-stranded).
In this process, the two DNA strands of the original DNA are first separated so that the template strands are exposed.
Thus, option "D" is correct.
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The correct pairing of DNA bases is C with G, and A with T. Therefore option D is correct.
DNA (deoxyribonucleic acid) is composed of nucleotides, which are made up of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base. The four nitrogenous bases found in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T).
In DNA, the bases always pair up in a specific way known as complementary base pairing. The bases adenine (A) and thymine (T) form a pair, and cytosine (C) and guanine (G) form a pair.
This pairing is based on the specific hydrogen bonding interactions between the bases:
Adenine (A) always pairs with thymine (T) through two hydrogen bonds.
Cytosine (C) always pairs with guanine (G) through three hydrogen bonds.
This specific pairing of bases is crucial for DNA replication and the accurate transmission of genetic information during cell division and protein synthesis.
The pairing of DNA bases: (D) C with G, and A with T. This pairing reflects the complementary base pairing rules observed in DNA.
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Light Reactions : ATP :: Calvin Cycle :
a. G3P
b. H2O
c. O2
d. H+
Answer:
a. G3P
Explanation:
Photosynthesis is the process by which plants synthesize their food from inorganic sources in the presence of light. The photosynthetic process occurs in two stages namely: light dependent stage (light reaction) and light independent stage (Calvin cycle).
The light stage primarily functions to synthesize ATP and NADPH products needed in the Calvin cycle to synthesize sugar (glucose). However, the CALVIN CYCLE produces a three-carbon compound called GLYCERALDEHYDE-3-PHOSPHATE (G-3-P) as one of the precursors of glucose.
please help me there is 8 question please
Answer:
1. B mass/distance
2. B Gravitational attraction between the sun and Venus
3. A All objects would fly off into space
4. B Axis
5. A Rotation
6. A Increases
7. B Decreases
8. When there is no force acting on an object, it won’t change it’s path and will keep going straight until another force acts upon it.
Intermolecular forces hold biomolecules together. They are also found between biomolecules. Which of these is a place you would expect to find hydrogen bond in a biomolecule?
a) between amino acids in a protein
b) between adenine and thymine in DNA
c) between the ribose and phosphate in RNA
d) between glucose and fructose in a sucrose molecule
(USA Test Prep)
Answer: B.
Explanation:
Answer:
B) Between adenine and thymine in DNA
Explanation:
A hydrogen bond would be found between adenine and thymine in DNA.
Peptide bonds- found in proteins
Covalent bonds - found in the backbone of nucleic acids
Glycosidic links - found in carbohydrates such as sucrose
Therefore, the only answer left, after you cross out the other from the information above, is B: Between adenine and thymine in DNA
Which product of fermentation expands bread dough
Ethanol
Energy
Carbon dioxide
Carbon dioxide because During fermentation, carbon dioxide is produced and trapped as tiny pockets of air within the dough. This causes it to rise. During baking the carbon dioxide expands and causes the bread to rise further. The alcohol produced during fermentation evaporates during the bread baking process.
How does the DNA sequence in a normal hemoglobin gene compare to a sickle cell hemoglobin gene?
ASAP
Answer:A person with normal hemoglobin has inherited one allele for normal hemoglobin from each parent and so has the genotype Hb A/Hb A. In contrast, a person who has sickle disease has inherited one sickle-cell allele from each parent and has the genotype Hb S/Hb S.
Explanation:
The DNA sequence in a normal hemoglobin gene is different from the hemoglobin gene of sickle cell due to a change in nucleotide base from A to T.
What is Sickle cell anemia?Sickle cell anemia is a group of disorders which cause the red blood cells (RBCs) to become misshapen and break down. It is an inherited group of disorders, in which the red blood cells contort into a sickle shaped cell. The cells die early due to this disorder, leaving a shortage of healthy red blood cells in the blood and can block the blood flow causing pain and crisis.
Symptoms of sickle cell anemia include infections, pain and fatigue.
Genetic studies have shown that the base sequence in the normal hemoglobin (HbA) and the sickle cell hemoglobin (HbS) differs at only a single nucleotide position including a change from an A to a T nucleotide base. This change in nucleotide to one codon results in a single amino acid change in the hemoglobin.
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which type of mutation stops the translation of an mRNA molecule
Connect the importance between meiosis and the process of sexual reproduction. Is it possible to survive without your reproductive system? Explain.
Answer:
This can be made possible through reproductive cells undergoing meiosis since such process has specialized sex cells split and multiple after copulation. To answer the question if is it possible for a human to survive without a reproductive system, the answer is yes.
Explanation:
NA in the nucleus carries the genetic code for making proteins in ribosomes. The diagram shows a model of DNA. Which part of the DNA molecule codes for the amino acid sequence in the protein?
Explanation:
i think the fatty acid because amino acids are also the fatty acids
what do you call that shaking of the ground?
Answer:
Earthquake
Explanation:
occurred when
stressed in the earth
crust
Wave able to travel through only through solids, moves in a side to side or
up down motion, slow
P-wave
Q -wave
R-wave
S-wave
Answer:
S-Wave
Explanation:
S-Waves are only able to travel through solids, and are known for moving in a side to side or up and down.
Let me know if this helps!
Why is it a good idea for humans to create models of how populations are changing?
What do models help us do?
Which of the following best describes the term transcription?
Question 1 options:
The transfer of information to a new format but in the same language.
A complete change in the message.
The transfer of information in the same format and in a different language.
Answer:
i believe it's the first one. new format but same language. cuz mRNA is literally just a copy of DNA strand, but written in a different order.
The best description for the term transcription is the transfer of information to a new format but in the same language.
The correct option is (A).
What is transcription?Transcription is a process by which the information present in the DNA is transcribed into mRNA to synthesize of protein.
Transcription is carried out in three stages:
InitiationElongationterminationThus, option (A) is correct. Transcription transfer information to a new format, but the language is the same.
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How can a material at a certain temperature have all of its molecules at the same energy?
Answer:
The average kinetic energy of the molecules is proportional to absolute temperature. At any given temperature, the molecules of all gases have the same average kinetic energy.
Explanation:
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. Solids, liquids and gases all expand when heat is added.