Plant cells have a square shape
True or False
Which of the following terms does not apply to birds?
a. Oviparous
b. Viviparous
C. Incubation
d. Aves
Answer:
Viviparous
Explanation:
Question 15 (1 point)
Which of these is the representative organism
for vertebrates?
picture of snail, spider, leech, sponge, sea star, coral, roundworm and fish.
snail
sea star
leech
spider
fish
roundworm
sponge
coral
leech
spider
fich
Answer:
Fish is a species that has a spine. Although other species in that list have spines, fish is a representative vertebrate example when learning about them.
Explanation:
A vertebrate is a species that has a spine / multiple vertebrae.
(I'm sorry if this was not the answer you're looking for)
Which part of a prosthetic limb keeps the prosthetic attached to the residual limb?
A. Blades
B. Pylon
C. Suspension system
D. Carbon fibers
Answer:
C. Suspension system
Explanation:
When dealing with prosthetic limbs the suspension system is how the prosthetic remains attached to the residual limb. This system makes sure that the prosthetic is firmly attached and only has the necessary movement for the prosthetic but nothing more. There are a couple of different suspension systems, the three most widely used ones would be Anatomic suspension, belt suspensions, and upper limb suspension systems.
DNA to Protein:Question 7
How many amino acids can be represented by a single 3-base DNA
sequence?
Select one:
A:3
B:1
C:6
D:8
Answer:
1
Explanation:
Each amino acid is represented by 3 bases. So a single 3-base DNA sequence is 1 amino acid.
Nucleotide triplets (codons) translate into amino acids. Therefore, option (B) one amino acid will be represented by a single 3-base DNA sequence is correct.
What is codon?A codon is a sequence of three nucleotides (also known as a trinucleotide) that can be found in either DNA or RNA and acts as a unit of genomic information by either encoding a specific amino acid or indicating the end of the process of protein synthesis (stop signals).
While there are four different nucleotides that make up DNA (A, C, T, and G), proteins are made up of a total of 20 different amino acids. The nucleotide triplets known as codons are what "code" for the amino acids. Thus, a minimum of three base pairs is required in order for the four nucleotides to be able to account for all 20 amino acids.
Therefore, option (B) is represented by a single 3-base DNA sequence.
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The work of Karl von Frisch revealed much information about communication among honeybees. He investigated the ability
of scout honeybees to inform workers in the hive of the direction and distance of a food source from the hive. Dances are
believed to be a part of this communication. Returning scout honeybees were observed performing dances on the surface of
the honeycomb.
The graph here shows the relationship between the distance from the hive of a food source and the number of turns per unit
time that the scout bees make while performing a "waggle dance
Which statement is an inference based on this experiment?
A)
Bees are responsible for cross-pollination of flowers.
B
Bees can communicate by color.
Bees respond to visual stimuli.
D)
Bees possess a nerve net
Answer: c
Explanation: just did the test
Answer:
Explanation:
C
Dennis made a 500 km trip in five hours. For the first two hours, Dennis had an average speed of 150 km/h. For the last two hours, Dennis had an average speed of 100 km/h. Which of the following is true about Dennis' trip?
Answer:
a
Explanation:
Item 5
An astronomical unit (AU) is the average distance of Earth from the Sun. Use the table that shows the average distance of each planet in our solar system from the Sun.
How much farther is Jupiter from the Sun than Mercury?
A ______ line dropping from the pair indicates offspring
Answer:
alleles
Explanation:
which description shows competition in an enviroment
Answer:
Three organism battling over limited reasources
Explanation:
Answer: theres no descriptions to look at
Explanation:
What is the overall function of an enzyme?
Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
Explanation:
Which best summarizes the role of DNA in the production of proteins?
o DNA moves to the cytoplasm to build proteins.
o DNA transports amino acids to the ribosomes to make proteins.
o DNA contains the instructions used to make proteins.
o DNA breaks hydrogen bonds between amino acids.
Answer:I think the answer is “ DNA contains the instructions used to make proteins.”
Explanation:
The role of DNA in the production of proteins is because DNA contains the instructions used to make proteins; that is the third option, as the DNA has the gene necessary to undergo the translation which is necessary to make the protein.
What is the significance of the protein expression?Proteins are essential for the function of all cells and are involved in a wide range of biological processes such as metabolism, cell signaling, and DNA replication, as the enzymes that are necessary for this function are made up of amino acids. Different cancers, genetic disorders, and other diseases happen due to abnormal protein expression, so its study is important in biology and medicine.
Hence, the role of DNA in the production of proteins is because DNA contains the instructions used to make proteins; that is the third option, as the DNA has the gene necessary to undergo the translation which is necessary to make the protein.
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Select the statement which is True about the Moon: * 1 point It is covered by water and has a thick atmosphere. We can see both sides of the Moon It reflects light on Earth's surface
Answer:
Moon reflects light on Earth's surface
Explanation:
From the available options the only one that is considered true is that the Moon reflects light on Earth's surface. This is known to us as EarthShine. This is technically the light from the Sun bouncing off of the Earth and back to the Moon, which ultimately bounces back to us. This creates a very light and small crescent shape on the moon that appears to us as a very worn out yellowish tint.
Select the correct answer.
The blue areas in the image represent the body parts that transport deoxygenated blood throughout the body. What are they called?
OA veins
OB. heart
OC. lungs
OD. arteries
Answer: The answer is veins. Veins carry blood from tissues to the heart. The vena cava is the largest vein in the body that carries blood into the heart right auricle. Pulmonary vein is the only vein that carries oxygenated blood because it carries blood from the lungs to the heart
Explanation:
Hurricanes are large storms than can span hundreds of miles across. These storms form over the ocean and can move to dry land over time. What would be the best way to track the hurricane and predict its path?
Answer:
With satellites
Explanation:
Answer:
To use CLIPER
Explanation:
it was one of the most accurate hurricane trackers
After energy is used from ATP, is the ATP molecule destroyed?
Explain.
Answer:
When ATP is broken down, usually by the removal of its terminal phosphate group, energy is relaesed. This energy is used to do work by the cell, usually by the binding of the realesed phosphate to another molecule, and then it activates.
BRAINLIEST !!! + 15 points
1. What is definition of a carbohydrate? (In biology terms please)
2. Do disaccharides and polysaccharides undergo a condensation reaction? Are they both connected by a glycosidic bond(s)?
Explanation:
1. Carbohydrates are the most common type of organic compound. A carbohydrates is an organic compound such as sugar strach and is used to store energy.
2. don't know sry
Carbohydrate is a starchy food which consist of Carbon, Hydrogen and Oxygen in the ratio of 1:2:1. They are also called hydrated organic compounds because Hydrogen and Oxygen is present in the same amount as in the water i.e. 2:1. It is one of the three main classes of food which on hydrolysis gives Glucose.
_____________________________________CONDENSATION:A reaction in which two or more molecules combine to form a large complex molecule, with the loss of a small molecule i.e. water. It is the opposite reaction of hydrolysis.
Disaccharides undergo condensation reaction to produce polysaccharide but polysaccharides do not undergo condensation reaction as they are already in a complex form.Yes, they are connected by the glycosidic bond. A glycosidic bond is a type of covalent bond that joins a carbohydrate to another carbohydrate or other group._____________________________________Best Regards,'Borz'Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, se obtendrá la relación fenotípica de
Answer:
Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco.
Explicación:
Si se toma un gallo morado (raza andaluza) y se cruza con una gallina blanca de la misma raza, los polluelos serán azules. Al cruzar estos polluelos entre sí, la relación fenotípica es diferente en su descendencia. Más pollitos son de color púrpura, algunos son híbridos, significa diferente color y pocos pollitos tienen color blanco. Esto se debe a que el color púrpura tiene un alelo dominante debido a que más pollitos tienen color púrpura y menos pollitos tienen color blanco debido al alelo recesivo.
Compared to a skin cell, a muscle cell which needs to expend atp(energy)is likely to have more
(a) Golgi bodies
(b) cell membranes
(C) chloroplasts
(D) mitochondria
Compared to a skin cell, a muscle cell, which needs to expand more energy (ATP), is likely to have more mitochondria. Hence, option D is the correct answer.
What are the cell organelles?A cell has many organelles, such as the nucleus, mitochondria, Golgi bodies, lysosomes, etc. In animal cells, chloroplasts are absent, but they are present in plant cells. Different organelles have different functions. Mitochondria make energy (ATP) from different biomolecules such as carbohydrates, proteins, fatty acids, etc. The organs, such as muscle cells and heart cells, that work continuously require more energy (ATP). Hence, in these cells, more mitochondria are present.
Golgibodies modify the synthesised proteins by adding or removing some molecules. Examples are glycoproteins and glycolipids that are present in the cell membrane and are modified by the golgi. Chloroplast has chlorophyll molecules that are required for capturing sunlight. This organelle prepares food.
Hence, muscle cells need more mitochondria as they use more energy (ATP). option D is the correct answer.
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Which of the following choices contains two ways in which carbon enters the atmosphere?
A. Erosion and transpiration
B. Volcanic Activity and Photosynthesis
C. Human Activity and Nitrogen-Fixing Bacteria
D. Emissions from Factories and Respiration
Answer:
d. or c. is what I think I limited your options
explain a model that explains the role of photosynthesis in transforming energy. Include the terms photosynthesis, sun, light energy, chemical energy, carbohydrates, and bonds.
Answer: The diagram below shows the role of photosynthesis in converting light energy into chemical energy.
Explanation:
Photosynthesis is the prices through which energy is converted to chemical energy in the cells of the plants.
Photosynthesis refers to the process through which green plants transform light energy into chemical energy.
It should be noted that during photosynthesis, light energy from sunlight is used in converting carbon dioxide, water, and minerals into rich organic compounds and oxygen.
Photosynthesis converts solar energy into chemical energy that can be used by plants to make glucose so that they can grow.
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C. State TRUE or FALSE.
1
In non-uniform motion, the speed of the body is constant
2. Sundial works during day time only
3. Speedometer is used to measure the time taken by a pendulum to
complete one oscillation.
5. A straight line in a distance-time graph represents the uniform motion.
6. Time period of pendulum does not depend upon the length.
Answer:
1,false
2,true
3,false
4,true
5,false
6,false
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Another enterprising ACP student decided to take this question one step further. Plants were grown in a closed system that allowed the students to control the amount of carbon dioxide provided to each plant. The mass of each plant was determined before and after the experiment. The results are shown below
Answer:
UR MOM Jk
Explanation:
CHANGE:78,12,68,28,50
THE OTHER ONE I DONT KNOW
Please help quickly thanks
Answer:
the bottom one condensation
What are physical characteristics of roundworms?
Answer:
Roundworms can grow up to 3 meters and can be so small they can't be seen with the naked eye. Some roundworms have hooks to cling to certain body parts without being carried away by blood or other fluid. Roundworms are covered in a strong, but flexible, covering
Explanation:
The maltose operon contains genes that code for proteins that catabolize the disaccharide maltose. Similar to the Lac operon, which is only efficiently transcribed in the presence of lactose, the maltose operon is only efficiently transcribed in the presence of maltose. How might induction of the maltose operon in response to maltose be achieved?Choose one or more:A. Maltose removes a repressor from an operon with an efficient promoter.B. Maltose causes an activator to bind an operon with an efficient promoter.C. Maltose causes an activator to bind an operon with an inefficient promoter.D. Maltose causes a repressor to bind an operon with an efficient promoter.E. Maltose removes an activator from an operon with an inefficient promoter.
Answer:
The correct answers are option A. "Maltose removes a repressor from an operon with an efficient promoter" and option C. "Maltose causes an activator to bind an operon with an inefficient promoter".
Explanation:
Two ways at which maltose operon works in the presence of maltose is by maltose removing a repressor from an operon with an efficient promoter and by maltose causing activator to bind an operon with an inefficient promoter. Maltose removes the repressor malR (Maltose operon transcriptional repressor) with an efficient promoter called malE. Additionally, maltose causes an activator to bind an operon with an inefficient promoter known as malT.
Which of these muscle pairs produces opposite
motions of the same body part?
rectus albdominus and obliques
hamstrings and rectus abdominus
quadriceps femoris and hamstrings
gluteus maximus and quadriceps femoris
O
DONE
Answer: quadriceps femoris and hamstrings
Explanation:
which of the following is true
A. species diversity tends to increase as a result of ecological succession.
B.species diversity tends to decrease as a result of ecological succession.
C. species diversity is not affected by ecological succession.
D. species diversity tends to remain constant during ecological succession.
Answer:
A) species diversity tends to increase as a result of ecological succession.
Explanation:
How do the light reactions help the Calvin cycle?
a. they break down macromolecules
b. they create hydrogen ions
c. they provide energy carriers
d. they provide photons
Answer: c. They provide the energy carriers
Explanation: Light energy (photons) drive this overall reaction:
2H2O + 2NADP +3ADP + 3Pi —-> 2NADPH + 3ATP + O2 + 2H+
and the ATP provides the energy for the light-independent Calvin Cycle, which also uses NADPH from the light-dependent reactions.
Answer:
C. they provide energy carriers
Explanation:
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