Answer:Muscle tissue is composed of cells specialized for contraction. Muscle is classified into three types according to their structure and function:
Skeletal muscle cells - striated, voluntary control
Cardiac muscle cells - striated, involuntary control
Smooth muscle cells - nonstriated, involuntary control
Skeletal and cardiac muscle cells are called striated because they show an alternating series of bands. The repeating arrangement of their basic contractile unit, the sacromere, produces these striations.
In all types of muscle, contraction is caused by the movement of myosin filaments along actin filaments.
The terms muscle cell and muscle fiber are synonymous.
Explanation:
10 POINTS QUESTION: Objects of different masses are suspended from a height. Which combination of features will have the greatest gravitational potential energy?
A. high mass and high height
B. high mass and low height
C. low mass and low height
D. low mass and high height
Answer:
A. high mass and high height
Explanation:
:))
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Do good on your work!
What two levels of classification make up a scientific name? out of these: domain, kingdom, phylum, class, order, family, genus, species
Answer:
genus and species
Explanation:
Species is a class of individuals and genus is the rankings right below species
The chromosome number in animas is kept the same from one generation to the next because of__.
Answer:
Mitosis
Explanation:
Mitosis is the process of cell division. In this process cells are split to create exact replicas of eachother. It is why we don't grow ears on our hands when they are injured. The hand cells are replicated to create more, so it heals correctly. In the Mitosis the two resulting daughter cells always have the same number of chromosomes from the parent cell. Their role is to maintain the same number of chromosomes in each cell division constant, which allows us to grow and self-maintain our bodies.
Which is NOT true about the macromolecule pictured?
Pls help lol
Answer:
C i think
Explanation:
The diagram shows the internal structures of a fish.
Which labels best complete the diagram?
X: Two-chambered heart
Y: Swim bladder
X: Single-chambered heart
Y: Swim bladder
X: Gills
Y: Lateral line
X: Lungs
Y: Lateral line
Answer:
A or B
Explanation:
i think its A tho
Answer: It's A
Explanation: Got it right on edg.
What is a Sedimentary Rock?
rock that forms when existing rock changes to a new rock because of heat and pressure
⊝
rock that forms by the process of compaction and cementation of sediments
⊝
rock that forms when melted rock (magma, lava) cools and hardens
Answer:
rock that forms when existing rock changes to a new rock because of heat and pressure
Match the word to the best sentence.
anticodon, codon, complementary strand, DNA, DNA replication, mRNA, nucleotide, transcription, translation, tRNA
Group of answer choices
A three base pair sequence on mRNA that codes for the addition of a specific amino acid to build a protein.
This brings amino acids to the ribosome during translation to help make a polypeptide.
A three base pair sequence found on tRNA that will pair with the codon during protein synthesis.
The process that occurs during the S phase of the cell cycle and enables each cell produced during mitosis to have a complete set of genetic instructions.
This nucleic acid carries the instructions to make a protein from the nucleus to the cytoplasm.
One of the monomers of a nucleic acid, that is made of a sugar, a phosphate group and a nitrogen base.
Each half of the double helix that pairs together based on the base pairing rules.
The process of making a mRNA sequence by reading a gene on the DNA in the nucleus of a cell.
This polypeptide stores the genetic information in living organisms and is found in the nucleus of a eukaryotic cell.
After a mRNA strand attached to a ribosome, this process occurs and a protein is made.
In "gastrulation" cells begin to differentiate. They form different types of tissues so they can accomplish different purposes in the body.
True or False?
Answer:
The statement that says that In "gastrulation" cells begin to differentiate and they form different types of tissues so that they can accomplish different purposes in the body, is true.
Explanation:
Gastrulation involves a process of cell division, migration and differentiation, being one of the stages of embryonic development.
Cell differentiation and migration in gastrulation leads to the formation of germ layers, which are responsible for forming different tissues and fulfilling different functions in the body:
The outermost lamina is called the ectoderm, which can give rise to nerve tissue and part of the skin tissue. The mesoderm is the middle lamina, and from it vascular, bone, muscle, and joint tissue can develop, as well as tissues of excretory and reproductive organs. Endoderm corresponds to the internal lamina, forming in great part the mucous membrane of the organs of the digestive system.It is true, then, that In gastrulation cells begin to differentiate and form different types of tissues so they can accomplish different purposes in the body.
What would happen to the amount of glucose and oxygen produced during photosynthesis if the
amount of sunlight decreased? EXPLAIN,
Without enough light, a plant cannot photosynthesize very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.
A section of a topographic map is shown below.
What is the difference in elevation in meters between Point X and Point Y on the map?
Answer:
360 m
Explanation:
Answer:
fish
Explanation:
moment
The hydrophobic effect is related to the fact that water is most stable when it has the most hydrogen bonds and that nonpolar molecules decrease the number of those bonds. True or false
Answer:
True
Explanation:
When a hydrophobe is dropped in an aqueous medium, hydrogen bonds between water molecules will be broken to make room for the hydrophobe; however, water molecules do not react with hydrophobe. This is considered an endothermic reaction, because when bonds are broken heat is put into the system. The hydrophobic effect is considered to be the major driving force for the folding of globular proteins. It results in the burial of the hydrophobic residues in the core of the protein. It is exemplified by the fact that oil and water do not mix and was described well by G. S. Hartley in 1936. 1 Hydrophobic effect. The hydrophobic effect increases the thermodynamic activity of large hydrophobic molecules of metal complexes formed in the aqueous phase of solvent extraction systems, which promotes their transfer from the aqueous to the organic phase.
Explain enzyme-substrate specificity.
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substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Answer:substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Explanation:Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The model by which this is known is ‘lock and key’ as the substrate is a precise structural fit for the enzyme, much like a lock and key • When the enzyme and substrate bind, they form an enzyme-substrate complex, before the substrate is catalytically converted into a product
Which statement describes an interaction between the biosphere and the atmosphere that is related to
photosynthesis?
O During photosynthesis, plant roots take in water from soil.
O During photosynthesis, plants take in carbon dioxide from the air.
O Through photosynthesis, energy stored in plants is released into the air.
O Through photosynthesis, energy stored in plants is transferred to humans who eat them.
Answer:During photosynthesis, plant roots take in water from soil.
Explanation:
Answer:
During photosynthesis, plants take in carbon dioxide from the air.
Explanation:
The second answer is correct because it includes an interaction between the atmosphere and the biosphere.
Cells have many small objects called (4) _____ that perform specific functions for the cell. Some are found in plant cells, but not animal cells. One example is the (5)_____, which provides support and forms an extra barrier outside of the cell membrane. The (6)_____ contains chlorophyll, which is necessary for a plant cell to produce energy through (7)_____. Plant cells also include a large central (8)_____, which store food, water, and waste. Word bank: organelle, photosynthesis, chloroplast, cell wall, vacuole.
Answer:
(4) Organelle
(5) Cell Wall
(6) Chloroplast
(7) Photosynthesis
(8) Vacuole
Explanation:
I'm in middle school and i do the same stuff u do :D
Your lab is working on sequencing a new plasmid. Before starting, you all decide to guess how many base pairs you think the new plasmid has. The lab members' guesses are 4,005; 4,006; 4,007; and 4,010. It turns out the plasmid has 7,968 base pairs. Accurate Precise Neither Both
Solution :
In this question we have to determine whether the statement given in the question is accurate or precise or both or neither of them.
In the question it is given that the lab members are making a guess about how many base pairs will the new plasmid will have. Their random guesses of base pairs are 4,005; 4,006; 4,007; and 4,010. But in actual, the new plasmid has 7,968 number of base pairs.
Therefore, according to it, the data in the statement is precise but it is not accurate.
Precision refers to the degree of the reproducibility of measurements even if the values varies from accepted values. And accuracy shows how much close the measurement is to the accepted or the known value.
We say that we have a precise data on our hands and not an accurate one
Option B
AccuracyQuestion Parameters:
The lab members' guesses are 4,005; 4,006; 4,007; and 4,010.
Generally, accuracy shows how close a size is to a regarded or established value, whilst precision in facts capability the degree of reproducibility of the measurements. Measurements that are each specific and correct are repeatable and very close to genuine values.
Hence, we say that we have a precise data on our hands and not an accurate one
Option B
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In glycolysis, for each molecule of glucose that is broken down into pyruvate?
2 molecules of ATP are used, and 4 molecules of ATP are produced
2 molecules of ATP are used, and 2 molecules of ATP are produced
4 molecules of ATP are used, and 2 molecules of ATP are produced
2 molecules of ATP are used, and 6 molecules of ATP are produced
Answer:
2 molecules of ATP are used, and 4 molecules of ATP are produced
Explanation:
Which component of a galaxy is colorful and found in the space between stars?
a
Dust
b
Gas
c
Orbiting objects
d
Stars
Answer:
The answer would be Gas or Hydrogen.
Explanation:
Hope it helped ;)
Bunnies and coyotes. For just one level of movement on the pyramid (bunnies to coyotes - their preferred food), and the bunny weighed 5 kg, how many kg of "energy" would the coyote actually get by eating it?
Answer:
The coyote is actually getting 0.5 kg of "energy" by eating 5 kg of bunnies.
Explanation:
At each trophic level, it occurs an energy transfer from one level to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule". This is, as a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time. According to the 10% rule, to support 1 kg of coyote, 10 kg of the anterior level is needed. To calculate this, we need to multiply the biomass of the coyote by 10 to get the biomass of its anterior level.
If 10 kg of the anterior level (bunnies) are needed to support 1 kg of coyote, we need to calculate how many kgs of a coyote are supported by 5 kg of bunnies.
10 kg of bunnies ------- 1 kg of coyote
5 kg of bunnies --------- X = 0.5 kg of coyote.
Answer:
The coyote is actually getting 0.5 kg of "energy" by eating 5 kg of bunnies
Horizontal moves occur along plate margins
A: True
B: False
bacteria are organisms that reproduce asexualy how is this better for them than reproducing sexually?
Answer:
Because reproducing asexually is less complicated than reproducing sexually.
Explanation:
your skin is made up of two layers the epidermis and the dermis. The epidermis produces an oily protein that repels water. When you soak in the bathtub for a long time or Swim for a long time the protein is sloughed off. As a result, your skin cells begin to swell from the excess water and they look wrinkled.
what type of transport is this?
A.)Isotonic
B.)Hypertonic
C.)Hydrotonic
D.)Hypotonic
In humans, Brown eyes (B) is dominant to blue eyes (b). A hom ozygous brown-eyed man marries a blue-eyed woman. What are the genotypic and phenotypic ratios of their children’s eye color?
Genotype: __________________________________
Phenotype: __________________________________
Answer:
The ratio is 50%
Explanation:
Genotype:
Bb
Phenotype: Brown eyes
Please correct me if I am wrong :)
Answer:
3 of the boxes have Capital b and only 1 box have lower case b
Explanation:
When George diets, where does the body get its energy(instead of fat)?
9b. What was the method of energy transfer?
Answer:
Heat can be transferred in three ways: by conduction, by convection, and by radiation. Conduction is the transfer of energy from one molecule to another by direct contact.
Explanation:
Summarize this cycle in your own words
(2-3 sentences minimum).
Answer:
Where is the cycle???
Tell me please!!?
Need help plz!!! Trying to catch up on biology anything can help!!!!
Answer:
See the answer below
Explanation:
The control group in an experimental study is the subject group that is not administered the treatment variable. The control group forms the baseline for comparing the effects produced by the treatment variable on the experimental group.
Thus, in this case, the control group would be the 10 mice that were not exposed to the radio waves.
The independent or the manipulated variable, in this case, is the exposure or otherwise of the mice to the radio waves.
The dependent variable is the actual variable that is going to be measured, otherwise known as the effect variable. In this case, the dependent variable would be the strength of the mice measured by their ability to push the block of wood blocking their food.
Since 8 out 10 mice and 7 out of 10 mice were able to push the wooden block in both the experimental and the control group, Bart's conclusion should reject the hypothesis that the radio waves make mice extra strong.
Bart's experiment can be improved by increasing the number of subject mice in each group. The more the number of subjects, the more the accuracy of the outcome would be.
Which term is defined as the sum of the potential energy and the kinetic energy in a system?
Click the answer you think is right.
mechanical energy
thermal energy
potential energy
Kinetic energy
Answer:
in physical science, mechanical energy is the sum of potential energy and kinetic energy. it is the macroscopic energy issues associated with a system
why do different foods store different amounts of energy
Answer:
because they have different seed formation
Explanation:
Which of these is another way to write Newton's second law of motion?
F = ma
F = m/a
F = m + a
Which diagram most correctly represents the process of mitosis?
Answer:
B
Explanation:
Division of 2 identity.