Answer: Viruses are about a thousand times smaller than bacteria, and bacteria are much smaller than most human cells. Viruses are so small that most cannot be seen with a light microscope, but must be observed with an electron microscope.
Answer:
100 times
Explanation:
Viruses are infectious particles about 100 times smaller than bacteria and can only be observed by electron microscopy.
Hope this helps :)
During which process is converted into a sequence amino acks protein production?
Answer:
Protien Synthesis
Explanation:
How does the experiment contribute to our understanding of altruism in different creatures?
Answer:
TWO YEARS AGO, a group of Ugandan chimps provided a blow to the idea that humans are the only animals that truly behave selflessly to one another. These chimps showed clear signs of true selflessness, helping both human handlers and other unrelated chimps with no desire for reward.
The question of why we help each other, instead of looking out for ourselves, is one of the most compelling in modern biology. Evolutionary and game theory alike predict that selfish behaviour should be the rule with altruism the exception, and animal experiments have largely supported this idea. Nature, ‘red in tooth and claw’, is painted as a fierce competition between selfish individuals and their even more selfish genes. In this stark landscape, true altruism is apparently a rare quality and some scientists believe that it’s one
Explanation:
Answer:
TWO YEARS AGO, a group of Ugandan chimps provided a blow to the idea that humans are the only animals that truly behave selflessly to one another. These chimps showed clear signs of true selflessness, helping both human handlers and other unrelated chimps with no desire for reward.
The question of why we help each other, instead of looking out for ourselves, is one of the most compelling in modern biology. Evolutionary and game theory alike predict that selfish behaviour should be the rule with altruism the exception, and animal experiments have largely supported this idea. Nature, ‘red in tooth and claw’, is painted as a fierce competition between selfish individuals and their even more selfish genes. In this stark landscape, true altruism is apparently a rare quality and some scientists believe that it’s one
Explanation:
What is a subunit vaccine made from?
Answer:
Subunit vaccines are composed of a part of the virus particle responsible for inducing protective immunity. A subunit vaccine produced by recombinant DNA techniques would provide an efficient and inexpensive alternative method for the control of this commercially important disease.
Cuticular scale patterns in human head hairs tend to be very regular.
Group of answer choices
True
False
Answer:
true
Explanation:
What are the sources of coastal pollution?
Answer:
Point sources include combined sewer overflows, concentrated animal feeding operations, sanitary sewer overflows, storm water, oil spills, industrial discharges; discharge from boats, and dumping of ballast water from ships.
Explanation:
What is the purpose of the vomerine teeth?
Answer:The function of the vomerine teeth is prey-oriented
Explanation: specifically to grip onto food in conjunction with their tongues. Frogs' tongues and vomerine teeth operate as a team to stop prey animals from being able to flee.
A skateboard manufacturing company has had problems with the wheels on its skateboards cracking and causing injuries. An engineer for the company knows of a material that he thinks will make the skateboards safer. What would be the best step for the engineer to take next?
He should publish a report about the innovation and its impact on public safety.
He should conduct tests using computer models to determine the safety impact.
He should immediately begin producing all skateboards with the new material.
He should convert production of half of the skateboards to use the new material.
Answer:
He should conduct tests using computer models to determine the safety impact.
Explanation:
The other ones either use the material without testing it to make sure it is safe first or publish a report without knowing it's impact on public safety
Which feature separates watersheds?
A.) basins
B.)bays
C.)ridges
D. )rivers
Answer:
c
Explanation:
C.) Ridges are the feature that separates watersheds.
What is watershed ?A watershed is a region or area of land that collects and drains water into a particular river, stream, or other body of water.
Ridges or high points of land are critical in separating watersheds because they provide the boundary or border between two adjacent watersheds. When rain falls or snow melts, the water will flow downhill towards the closest body of water.
However, if that body of water is separated from another by a ridge, the water will flow down opposite sides of the ridge, into different watersheds.
Ridges are created by geologic processes such as tectonic uplift or erosion, and can vary in size and height. In some cases, a single ridge can divide a large drainage basin into two or more smaller ones, each with its own unique set of characteristics and ecosystems.
The boundary or border of a watershed is formed by a ridge or high point of land that separates one watershed from another. Water that falls on one side of the ridge flows into one watershed, while water that falls on the other side of the ridge flows into a different watershed.
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If the relative humidity is high and the temperature drops, water vapor may _____
Answer: condense
Explanation:
Answer: Condense
Explanation: just took it and got it right
Science Work, Help Please!
2. C. A selectively permeable
membrane separates solutions A and B. The
concentration of water molecules in Solution
B is higher than that in Solution A. Describe
how the water molecules will move.
3. A. How is active
transport different from passive transport?
3. B. What are transport proteins?
3. C. Explain why transport proteins
require energy to function in active
transport.
Answer:
1. Water(solvent) molecules travel from A across the cell membrane / semi permeable membrane to B until the concentrations of A and B become equal.2. Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. On the other hand, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.3. A transport protein is a protein that serves the function of moving other materials within an organism.
4. Active transport is the movement of materials through a cell membrane using cell membrane using cellular energy. ... transport proteins requires energy to function because it needs energy then passive transport that requires no energy at all.
Explanation:
Hope this helped I answered all of the questions.
Humans rely on the ocean for a wide variety of resources. However, many human activities impact
ocean ecosystems. Although some of these impacts have positive consequences, many lead to
negative consequences. Below is a list of human activities and a list of some consequences of
those activities, Match each activity with the consequences it can cause. Keep in mind that human
activities may have several consequences.
Answer:
c
Explanation:
Select the correct answer.
Which organ connects the kidney to the urinary bladder?
A gallbladder
B.
rectum
renal pelvis
ureter
Е.
urethra
Answer:
ureter, or ureters, are what Connect the kidneys to the bladder
Answer:
urteter
Explanation:
(A) Which parts of an ecosystem perform cellular respiration? Choose all the answers you think are correct.
producers
primary consumers
secondary consumers
decomposers
dead matter
(B.) Does the amount of sunlight affect which parts of an ecosystem perform cellular respiration?
yes
no
Answer: (A) Cellular Respiration takes place in producers,Primary Consumer, and Secondary Consumers.
(B) No
Explanation:
Producers, primary consumers and secondary consumers which form part of an ecosystem perform cellular respiration.
What is cellular respiration?It is a set of reactions by which certain organic compounds are degraded by oxidation, until they become inorganic substances and energy that can be used by the cell.
Most living organisms that are part of an ecosystem carry out cellular respiration, in plants, animals, fungi and protozoa it is carried out in the mitochondria and the cytoplasm.
Therefore, we can conclude that producers, primary consumers and secondary consumers which form part of an ecosystem perform cellular respiration.
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Tiny structures inside of cells, such as ribosomes or chloroplasts that have specialized roles are called
Answer:
Tiny structures inside cells such as ribosomes or chloroplast that have specialised roles are called
Which role is NOT played by the small intestine?
a
Chemical digestion by enzymes
b
Carbohydrate absorption
c
Propulsion of digested substances
d
Vitamin Production
Answer; d.vitamin production
Explanation: The small intestine absorps carbohydrate
Which genotype represents a female carrier?
XHXh
XHY
XHXH
Answer:
option one is the answer. XHXh
Answer:
XHXH
Explanation:
In the process of breaking down dead plant and animal materials, decomposers release nutrients back into the soil. True or false
how is mRNA processed
Answer:
Eukaryotic mRNA precursors are processed by 5′ capping, 3′ cleavage and polyadenylation, and RNA splicing to remove introns before being transported to the cytoplasm
Explanation:
1. One of the central themes in biology is how DNA, RNA, and proteins are related. Describe how genetic
information is passed among those types of molecules. Include the results of the processes of
transcription and translation
Answer:
Transcription uses a strand of DNA as a template to build a molecule called RNA. The RNA molecule is the link between DNA and the production of proteins. During translation, the RNA molecule created in the transcription process delivers information from the DNA to the protein building machines.
Explanation:
Some laboratory mice are spotted, due to a dominant gene. Solid color is recessive. A solid color female mouse is mated to a spotted male. Both parents are homozygous. What percentage of mice should be found in the litter?
Answer: percentage of mice that will be spotted is 100%, and 0% chance of being solid colored.
Explanation: First, homozygous means each parent have matching chromosomes (Like XX, instead of Xx)
Lets make a punnet square and show the data. We will use 'S' for spotted and 's' for solid
The punnet square shows that the percentage of mice that will be spotted is 100%, and 0% chance of being solid colored.
Hope this helps :)
The percentage of mice that will be spot-ted is 100%, and 0% chance of being solid colored.
Calculation of the percentage:In the first time, h-o-m-o-z-y-g-o-u-s means each & every parent should have matching chromosomes (Like X-X, instead of X-x)
So based on this, we can say that The percentage of mice that will be spot-ted is 100%, and 0% chance of being solid colored.
in this way, the percentage is determined.
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Although both organisms have an exoskeleton, the covering of a arthropod is made of different
materials than the covering of a(n) ________.
Recombinant DNA technology is possible because all organisms
O A. rely on ribosomes to assemble proteins
B. have some of the same genes
C. use the same codes for amino acids
D. replicate DNA before cell division
Recombinant DNA is possible because all organisms use the same codes for amino acids. Option C is the correct one.
The genetic codesOne of the fundamental characteristics of the genetic codes is that they are similar in all living organisms.
Each genetic code is translated into an amino acid. Thus, living organisms use the same codes for their amino acids in the proteins.
This makes inserting the genes of one organism into the genome of another (recombinant DNA) very easy.
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It may be harmful when people compete to see who can hold their
breath the longest under water. Without oxygen, brain cells
Answer:
tend to not get enough oxygen which may lead to severe brain damage and our brains can get Celebral Hypoxia which includes symptoms such as confusion and loss of coordination
Explanation:
When the brain cells receive less oxygen as required by the brain ; The brain suffers a severe damage due to brain hypoxia.
When one holds his/her breath under water the amount of oxygen flowing into the brain cells is cut off and if the oxygen supply is not restored within 5 minutes, the brain cells will start dying off which will result to severe brain damage and eventual death .
Hence we can conclude that When the brain cells receive less oxygen as required by the brain ; The brain suffers a severe damage due to brain hypoxia .
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A species is endangered if it_____
no longer exists anywhere on earth
is in danger of becoming extinct
is not native the environment
has high genetic diversity
Answer:
is in danger of becoming extinct
If your phenotype is free earlobes and free earlobes is dominant what is your genotype
Answer:
ff
Explanation:
hope this help
Joey eats strawberries for lunch. Explain how homeostasis is maintained in the endocrine systems once the fruit has entered Joey’s body.
Answer:
Explanations:
Homeostasis can be defined as the phenomenon whereby there is balance or stability within the internal and external environment of a cell or the body. The internal environment of the organism is kept constant during homeostasis. During this process there is adjustments in the
internal environment Because there is always change in the conditions inside and outside the cell. When the system of the body is able to adjust itself it's reffered to as homeostatic regulation.
The endocrine system which contains glands that is responsible for the secretion of hormones into the bloodstream play also vital part during Homeostasis, This is because hormones which are the chemical messaged effect some change cells in another part of the body. The endocrine system is responsible for the regulations of
metabolism as well as the development of some body cells and systems via feedback mechanisms, hormones such as
Thyrotropin-Releasing Hormone during Homeostasis. Therefore as Joey eats strawberries for lunch the hormones makes adjustment of muscle metabolism and also regulate fluid and ion concentration in the system or body
Pronghorn antelopes are hoofed animals that eat grasses and live in large herds in the prairie
biome. In which one of these other biomes would an animal with similar adaptations live: taiga,
desert, savanna, or deciduous forest? Explain your answer.
Most likely a savanna because there is a lot of space to roam around and plenty of grass to eat.
Write about the following words using the format provided ( state if term is know by another name or expression; state its composition; state its function; state its location; state its significance )
Example: Cell membrane - ( Plasma Membrane; Phospholipid bilayer...... )
Words: Cell membrane, nucleus, chromatin, nuclear envelope, nuclear pore, nucleolus, cytoplasm, mitochondrion, ribosome, endoplasmic reticulum, golgi complex, vacuole, lysosome, centriol, cell wall, plastid, chloroplast, chromoplast, leucoplast
sorry :(
Explanation:
Which best describes the animal that she is studying?
Alyssa listed some of the structures in an animal that she is
studying
O a mammal because it has a crop
a bird because it has a crop
O a bird because it has a four-chambered heart
a mammal because it has a four-chambered heart
Answer:
A mammal because it has a four chamber heart
Explanation:
Answer:
B. A bird because it has a crop
Explanation:
Took test on e d g e n
I need answers for 5 and 6 please
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