A group of scientists are observing a new found cell. They want to classify it as either a prokaryotic cell or a eukaryotic cell. If you were one of the scientists, what would be your basis for classification?
Hope you could get an idea from here.
Doubt clarification - use comment section.
When an infant suckles at its mother's breast, milk moves through the breast structures in what order
When an infant suckles at its mother's breast, milk moves through the breast structures in the order
Acinus - lactiferous duct - lactiferous sinus - nipple
When an infant suckles, milk is secreted from lactocytes into the alveoli (acinus). The milk is then squeezed from the alveoli so it can drain into the lactiferous ducts, milk drains from lactiferous ducts into lactiferous sinuses, and discharge through the nipple pores.
Hence, when an infant suckles at its mother's breast, milk moves through the breast structures in the order
Acinus - lactiferous duct - lactiferous sinus - nipple
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A chemical agent that kills pathogenic microbes in general is a(n) sanitizer. fungicide. disinfectant. antiseptic. germicide.
Answer:
Disinfectant
Explanation:
where might we see changes in concentration in nature and how could these changes affect living organisms?
Answer:
Explanation:
Any change in the climate of an area can affect the plants and animals living there, as well as the makeup of the entire ecosystem. Some species are already responding to a warmer climate by moving to cooler locations. ... Climate change also alters the life cycles of plants and animals
the threadlike structures that contain genes are called
Answer:
Chromosome are the threadlike structures that contains genes.
Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic (As) and
antimony (Sb)?
Arsenic has a more metallic behavior than antimony because arsenic's atoms have fewer electron shells.
O Arsenic has a more metallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have fewer electron shells.
Answer:
Arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.
Explanation:
the person above me is wrong
The coat that surrounds the genetic material of a virus is made of what material? (
1 point) protein, cells, RNA, DNA
Answer:
Protein
Explanation:
The protein-covered coat that surrounds the genetic material of a virus is called a capsid.There are mainly three structural shapes of a capsid : Icosahedral ProlateHelicalThe functions of capsid includes:Protection of viral genome i.e., either DNA or RNA from dissolution.Helps in penetration of virus in host cells.For More Information:
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Answer:
the answer is protein
Explanation:
Prokaryotes and Eukaryotes share which
of the following structures?
DNA, cytoplasm, ribosomes, cell membrane
DNA, cytoplasm, ribosomes, mitochondria
nucleus, cytoplasm, ribosomes, mitochondria
Answer:
Dna,cytoplasm,ribosomes,cell membrane
Explanation:
the folded organelle just outside of the nucleus that is covered in ribosomes and plays a role in protein synthesis is called the:
Answer:
endoplasmic reticulum (ER)
Explanation:
why is there no enzyme to digest vitamins
Answer:
Vitamins are used in their original form by the cells. They are either water soluble or fat soluble, hence no enzyme is required to digest vitamins. They are absorbed directly from the digestive tract, transported by blood to the cells, and the cells absorb and use them whenever they need.
A dog who inherits an allele for
curly hair and an allele for straight
hair has curly hair because the
allele for-
E. curly hair is recessive.
F. curly hair is dominant.
G. straight hair is dominant.
H. curly hair is inherited from both
parents.
What process is the "copying" portion of protein synthesis? What is being copied? Why does it have to be copied?
The process of protein synthesis is known as translation. During this process, the mRNA is being copied into an orderly sequence of amino acids to produce a polypeptide.
During gene transcription, a fragment of DNA called gene is used as a template to generate a complementary messenger RNA (mRNA) sequence.
Afterward, this mRNA will be used as a template to create a protein by a process called translation.
The linear order of triplets of nucleotides or codons in mRNA will be used to add ordered amino acids to the growing polypeptide chain (i.e., the protein).
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If a label indicated the presence of a radioactive isotope, you would know what
about the substance?
Answer:
Radioisotopes are radioactive isotopes of an element
Explanation: Radioactive isotopes are detected by: photographic film.
a cloud or bubble chamber.
a liquid scintillation detector.
a Geiger-Muller counter.
Answer:
we would know that the substance's atoms have an unstable combination of neutrons and protons or excess energy in their nucleus.
14. Which of the following occurs during the electron transport chain?
a. the formation of ATP by oxidative phosphorylation
b. the formation of water
c. a concentration gradient of protons
d. all of the above
Answer:
All
Explanation:
The electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation. It occurs in mitochondria in both cellular respiration and photosynthesis.
Answer:
D
Explanation:
ATP is created in the ETC
Water is formed as a by product
The concentration gradient is what fuels the ETC. Protons (H+ ions) move across the membrane to create energy.
Hope that helps (and also hope its right, i did bio a while back)
What is meant by industrialization ?Write in brief
Describe ways in which HIV can be transmitted
Answer:
From mother to child.
Unprotected sexual intercourse.
Sharing of sharp objects.
Unscreened blood transfusion.
Contact with body fluid of an infected person
6. Type A and Type B blood are codominant to each other. They are both dominant
over Type O blood. Draw a Punnett square showing all the possible blood types for
the offspring produced by a type "O" mother and an a Type "AB" father
Answer:
Possible blood types
Genotype: AO or BO
Phenotype: A & B
pls helpppppppppppp it's due today
Answer:
The coreect answare would be B
Answer:
A is upper epidermis
B is palisade cells
C is spongy mesophyll layer
D is the lower epidermis
Explanation:
i hope this is helping
The Smiths went to dinner at Cheesecake Factory and their bill was $123.75 plus 7.5% sales tax. What is the total bill? Round to the nearest cent.
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
An equation is an expression used to show the relationship between two or more numbers and variables.
Given that the Smiths bill was $123.75 plus 7.5% sales tax. Hence:
Total bill = $123.75 + Sales tax
Sales tax = 7.5% of bill = 0.075 * $123.75 = $9.28
Total bill = $123.75 + $9.28 = $133.03
The total bill that was given to the Smiths at the Cheesecake factory was $133.03
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The first fuel Paul’s body uses is ________________________ from Paul’s last meal, which are stored in his _____________ & his ______________ (technically the bits in his BLOOD are used up before that even). The body turns them into ____________, which is burned in ____________. That fuel lasts Paul about ________________.
1. The first fuel Paul’s body uses is carbohydrate, which is generated from Paul’s last meal.
2. These carbohydrates are stored in his liver and muscles (technically, the bits in his blood are used up before that even).
3. The body turns the carbohydrates into glucose, which is burned in mitochondria during an aerobic cellular respiration.
4. That fuel lasts Paul about 3 miles, 40 minutes ([tex]\frac{2}{3} \;hours[/tex]).
A fuel can be defined as the resources that power the body of a living organism such as a human being. Also, the three (3) main types of fuel that power the human body include the following:
OxygenWaterFoodFat is a nutritional element of food and it is beneficial to the body of a living organism because after the body exhausts its carbohydrates, it then uses its own fat as a fuel to power the body.
In this context, the first fuel Paul’s body uses is carbohydrate, which is generated from Paul’s last meal. These carbohydrates are stored in his liver and muscles (technically, the bits of carbohydrates in his blood are used up before the storage).
Furthermore, the body turns the carbohydrates into glucose, which is burned in mitochondria during an aerobic cellular respiration. Also, the fuel would only last Paul for a distance of about 3 miles, 40 minutes ([tex]\frac{2}{3} \;hours[/tex]).
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How does cellular respiration occur in the dark and light?
photosynthesis occurs only in the light, and cellular respiration occurs in both the dark and the light
Using 3-5 sentences explain how human activties can affect climate change.
Answer:
Human activities can affect climate change because of just how much waste we produce. One huge example is our burning problem, which slowly strips away at the ozone layer that protects animals from heat and melting snow. Because of the ozone layer, the arctic has been protected for many years but now it's slowly disappearing, melting ice and killing animals who have not learned to survive in such hot weather. Another example is when humans cut down too many trees to sustain the environment; it often causes a massive lack in natural oxygen and unroots many homes of small critters and worms. In conclusion, humans can heavily affect climate change because of our ignorance and how we refuse to learn for the future.
Explanation:
The equator has light closer to 90 degrees, at the poles the angle is lower than 90 degrees. Use this information and refer to the data from Table B to explain why the tropics (near the equator) are hotter than the arctic region (north/south poles). Be sure to include data from Table B in your answer.
The temperature at tropic region is warmer than the polar temperatures due to angle of the sun.
The tropics which is located near the equator are hotter than the arctic region i.e. north and south poles because the sunlight falls directly on the tropic regions at 90 degrees while on the other hand, the sunlight falls on the poles not directly and form angle lower than 90 degrees.
The amount of solar energy in a given area is greater at the equator and tropic regions than in an equal area at the poles so that's why the temperature at tropic region is warmer than the polar temperatures.
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Explain why the wound of a diabetic patients fails to heal heal easily?
[tex]\large\huge\green{\sf{Answer:-}}[/tex]
When white blood cells are unable to function correctly, the body is less able to fight bacteria and close wounds. People with uncontrolled diabetes may develop poor circulation. As circulation slows down, blood moves more slowly, which makes it more difficult for the body to deliver nutrients to wounds.
system of layout refers to the design of planting trees
true or false
[tex] \: \: [/tex]
TRUEsystem of layout refers to the designs of planting trees.it is desirable planted in a systemic wayhope it helpsHow do El Niño and La Niña differ?
Answer:
El Niño refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. It represents the warm phase of the ENSO cycle. La Niña refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific.
Explanation:
_______________________ are the components of most non-clastic rocks.
Dissolved minerals
Sediment and small rocks
Seashells
Limestone and fossils
Clay and pebbles
Angled rocks and clay
Answer:
Limestone, dolomite and chert.
AKA Limestone and fossils.
Chert is of biological origin and limestone is composed of tiny fossils. Dolomite is a form of limestone. Non-clastic sedimentary rocks are formed organically.
3. The fact that the genetic code is universal suggests that:
A. All organisms evolved from separate original ancestors.
B. Life forms have a common evolutionary ancestry.
C. Protein makes up the genetic material.
D. Evolution does not really occur.
Answer:
B. Life forms have a common evolutionary ancestry.
Explanation:
A. All organisms evolved from separate original ancestors.
-> We know this is not true. If organisms evolved from separate ancestors, they would have different genetic code.
C. Protein makes up the genetic material.
-> This was proven false in Hershey–Chase experiment.
D. Evolution does not really occur.
->This one's obviously false as speciation happens regularly.
true or false
plant cells have chloroplasts but animal cells don't
Answer: Very True!!!
Explanation:
Answer: Its True.
Have a great day/night!
it can be said that all cells life begin and end with this process ?
Replication
Meiosis
Mitosis
Cytokinesis
all cells life begin and end with this process by the process of meiosis
What is meiosis ?
Meiosis is the process where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.
Humans have 46 chromosomes in every cell, where 23 chromosomes t came from one of our parents and 23 very similar chromosomes that came from the other parents.
Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibres appear.
Secondly Prometaphase I where Spindle fibres attach to the centromere followed by Metaphase I where The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.
Telophase I where Spindle fibres disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells.
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