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SY
sydnisipes
Updated 1 month ago
Although there are a limited number of amino acids, many different types of proteins exist because ? - size if a given amino acid can very. chemical composition of a given amino acid can very sequence
although there are a limited number of amino acids, many different types of proteins exist because ? - size if a given amino acid can very. chemical composition of a given amino acid can very sequence and number of amino acids is different same amino acid can have many different properties
Biology
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VI
viviennebrown
Updated 1 month ago
A plant is notice to have curled leaves and stunted growth which nutrient is it most likely missing? - A. Calcium B.Magnesium C. Potassium D. Phosphorous
A plant is notice to have curled leaves and stunted growth which nutrient is it most likely missing? - A. Calcium B.Magnesium C. Potassium D. Phosphorous
Biology
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JA
jayderogahn
Updated 1 month ago
Hich macromolecule provides the blueprint for living things, by storing and transmitting genetic information? - hich macromolecule provides the blueprint for living things, by storing and transmitting
hich macromolecule provides the blueprint for living things, by storing and transmitting genetic information? - hich macromolecule provides the blueprint for living things, by storing and transmitting genetic information?
Biology
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WI
wisozkmaci
Updated 1 month ago
Explain how scientists use recombinant DNA technology to produce the drug insulin. - Be sure to also explain why a gene form one organism can be expressed by another organism. Please help me with this
Explain how scientists use recombinant DNA technology to produce the drug insulin. - Be sure to also explain why a gene form one organism can be expressed by another organism. Please help me with this )
Biology
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CO
constance34
Updated 1 month ago
During urine production, what happens if the water content of the blood is too low? - A. Membrane channels are produced in the cells of the collecting duct. B. The pituitary gland stops secreting ADH.
During urine production, what happens if the water content of the blood is too low? - A. Membrane channels are produced in the cells of the collecting duct. B. The pituitary gland stops secreting ADH. C. The collecting duct becomes less permeable to water. D. Large volumes of dilute urine are formed.
Biology
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ZO
zokeefe
Updated 1 month ago
Polygenic traits are determined by multiple received from each parent. - Polygenic traits are determined by multiple received from each parent.
Polygenic traits are determined by multiple received from each parent. - Polygenic traits are determined by multiple received from each parent.
Biology
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HY
hyattblanca
Updated 1 month ago
When Hooke first used the term cell, did he intend to have it apply to living material? - When Hooke first used the term cell, did he intend to have it apply to living material?
When Hooke first used the term cell, did he intend to have it apply to living material? - When Hooke first used the term cell, did he intend to have it apply to living material?
Biology
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NO
noe14
Updated 1 month ago
Differentiation switches certain genes on and off to create specialized cells. - Differentiation switches certain genes on and off to create specialized cells.
Differentiation switches certain genes on and off to create specialized cells. - Differentiation switches certain genes on and off to create specialized cells.
Biology
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MA
mayerbroderick
Updated 1 month ago
Why does the weather usually become cool and clear after a thunderstorm - Why does the weather usually become cool and clear after a thunderstorm
Why does the weather usually become cool and clear after a thunderstorm - Why does the weather usually become cool and clear after a thunderstorm
Biology
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HI
hilpertbroderic
Updated 1 month ago
Unlike amphibians, reptiles- A. have lungs to oxygenate blood. - B. have a closed circulation system in which blood circulates entirely within blood vessels. C. have ventricles that are further
Unlike amphibians, reptiles- A. have lungs to oxygenate blood. - B. have a closed circulation system in which blood circulates entirely within blood vessels. C. have ventricles that are further divided to lessen mixing of oxygen-rich and oxygen-poor blood. D. use single-loop circulatory system
Biology
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IS
isaiah42
Updated 1 month ago
How does the appearance of the pencil depend on level the of water in the glass changes? - How does the appearance of the pencil depend on level the of water in the glass changes?
How does the appearance of the pencil depend on level the of water in the glass changes? - How does the appearance of the pencil depend on level the of water in the glass changes?
Biology
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SA
sallieryan
Updated 1 month ago
In addition to being necessary for respiration, _______ also provides UV radiation protection. - A. carbon dioxide B. water C. oxygen D. hydrogen
In addition to being necessary for respiration, _______ also provides UV radiation protection. - A. carbon dioxide B. water C. oxygen D. hydrogen
Biology
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CH
christopher23
Updated 1 month ago
Which traits are characteristic of single-celled organisms? - Choose all answers that are correct. A. can grow larger by making new cells B. contain organs that help them survive C. must stay small in
Which traits are characteristic of single-celled organisms? - Choose all answers that are correct. A. can grow larger by making new cells B. contain organs that help them survive C. must stay small in order to live D. can reproduce a whole colony in a matter of hours I know D is right but are there any other ones?
Biology
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YD
ydare
Updated 1 month ago
Which important process takes place in the chloroplasts of a cell? - a. cytokinesis b. cellular respiration c. photosynthesis d. creation of proteins
Which important process takes place in the chloroplasts of a cell? - a. cytokinesis b. cellular respiration c. photosynthesis d. creation of proteins
Biology
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PR
princess70
Updated 1 month ago
Which of these is an example of a haploid cell? - a. Neuron b. Sperm c. Red blood cell
Which of these is an example of a haploid cell? - a. Neuron b. Sperm c. Red blood cell
Biology
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AN
annette86
Updated 1 month ago
Which of a cell's organelles releases energy stored in food? - A. Chloroplasts B. Mitochondria C. ER (Endoplasmic Reticulum) D. Lysosomes
Which of a cell's organelles releases energy stored in food? - A. Chloroplasts B. Mitochondria C. ER (Endoplasmic Reticulum) D. Lysosomes
Biology
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PR
pricemelyna
Updated 1 month ago
1858 geologist edward suess points out that fossils of the glossopteris plant are found in southern africa, south america, australia, antarcia and inda - 1858 geologist edward suess points out that
1858 geologist edward suess points out that fossils of the glossopteris plant are found in southern africa, south america, australia, antarcia and inda - 1858 geologist edward suess points out that fossils of the glossopteris plant are found in southern africa, south america, australia, antarcia and inda
Biology
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RA
randybergnaum
Updated 1 month ago
The three types of seismic waves produced by an earthquake are primary, secondary, and A. atmospheric. - B. surface. C. elastic. D. sedimentary.
The three types of seismic waves produced by an earthquake are primary, secondary, and A. atmospheric. - B. surface. C. elastic. D. sedimentary.
Biology
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IT
iturcotte
Updated 1 month ago
Evolution is change in a population over time and includes the gene pools of that population. - How does biogeographic isolation allow for the change of gene pools over time?
Evolution is change in a population over time and includes the gene pools of that population. - How does biogeographic isolation allow for the change of gene pools over time?
Biology
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CK
ckoelpin
Updated 1 month ago
What removes the oxygen from the air? - A. Photosynthesis B. Respiration C. Sunlight D. Water
What removes the oxygen from the air? - A. Photosynthesis B. Respiration C. Sunlight D. Water
Biology
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CO
connellytalia
Updated 1 month ago
What discovery did Gregor Mendel make? - What discovery did Gregor Mendel make?
What discovery did Gregor Mendel make? - What discovery did Gregor Mendel make?
Biology
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LU
lucy26
Updated 1 month ago
If the change in velocity increases, what happens to the acceleration during the same time period? - A. Acceleration decreases. B. Acceleration increases. C. Acceleration becomes negative. D.
If the change in velocity increases, what happens to the acceleration during the same time period? - A. Acceleration decreases. B. Acceleration increases. C. Acceleration becomes negative. D. Acceleration becomes steady.
Biology
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WA
waltonprosacco
Updated 1 month ago
Use the terms CORE and MANTLE in a complete sentence? - Use the terms CORE and MANTLE in a complete sentence?
Use the terms CORE and MANTLE in a complete sentence? - Use the terms CORE and MANTLE in a complete sentence?
Biology
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BR
broderick94
Updated 1 month ago
What type of system represents the cycling of energy on the earth? - A. Mixed System B. Open System C. Closed System D. Energy System
What type of system represents the cycling of energy on the earth? - A. Mixed System B. Open System C. Closed System D. Energy System
Biology
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GK
gkirlin
Updated 1 month ago
Which of the following has the least opportunity for recovery? - a forest burned by fire caused by a lightning strike a forest cut down by a logging company a forest flooded for a week following heavy
Which of the following has the least opportunity for recovery? - a forest burned by fire caused by a lightning strike a forest cut down by a logging company a forest flooded for a week following heavy spring rains a forest decimated by an avalanche
Biology
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ST
steuberanahi
Updated 1 month ago
Which group of chordates does not possess true backbones? - A. Crocodilians B. Lampreys C. Birds D. Frogs and toads Would it be A.
Which group of chordates does not possess true backbones? - A. Crocodilians B. Lampreys C. Birds D. Frogs and toads Would it be A.
Biology
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ZQ
zquitzon
Updated 1 month ago
In the F1 generation of a Mendelian cross, A. only the dominant trait is visible. - B. only the recessive trait is visible. C. neither the dominant nor recessive trait is visible. D. both the dominant
In the F1 generation of a Mendelian cross, A. only the dominant trait is visible. - B. only the recessive trait is visible. C. neither the dominant nor recessive trait is visible. D. both the dominant and recessive traits are visible.
Biology
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RA
ramonarosenbaum
Updated 1 month ago
The 31 major nerves that branch out from the spinal cord connecting it to the rest of the body are the - a. cranial nerves b. vertebrate nerves c. spinal nerves d. central nerves'
The 31 major nerves that branch out from the spinal cord connecting it to the rest of the body are the - a. cranial nerves b. vertebrate nerves c. spinal nerves d. central nerves'
Biology
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RA
rasheed11
Updated 1 month ago
Animals with nerve nets have A. no specialized neurons. - B. sensory neurons but no interneurons. C. interneurons but no sensory neurons. D. only motor neurons
Animals with nerve nets have A. no specialized neurons. - B. sensory neurons but no interneurons. C. interneurons but no sensory neurons. D. only motor neurons
Biology
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QU
quitzonherminia
Updated 1 month ago
What tells a ribosome how to assemble a protein - what tells a ribosome how to assemble a protein
what tells a ribosome how to assemble a protein - what tells a ribosome how to assemble a protein
Biology
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CH
charlottechrist
Updated 1 month ago
Vascular plants, like fern, show alternation of generations. - Which represents a gametophyte in the life cycle of fern? a. Rhizomes b. Prothallus c. Sporangia
Vascular plants, like fern, show alternation of generations. - Which represents a gametophyte in the life cycle of fern? a. Rhizomes b. Prothallus c. Sporangia
Biology
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FA
faustoschneider
Updated 1 month ago
Which of the following is an example of physical weathering? - a. ice forming in cracks of rocks b. acid rain falling on sidewalks c. waves washing over rocks on the beach d. water washing away soil
Which of the following is an example of physical weathering? - a. ice forming in cracks of rocks b. acid rain falling on sidewalks c. waves washing over rocks on the beach d. water washing away soil in an area used by off-road vehicles
Biology
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DO
dorcas27
Updated 1 month ago
Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis? - Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?
Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis? - Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?
Biology
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FK
fkris
Updated 1 month ago
If a pea plant's alleles for height are tt, what is true of its parents? - if a pea plant's alleles for height are tt, what is true of its parents?
if a pea plant's alleles for height are tt, what is true of its parents? - if a pea plant's alleles for height are tt, what is true of its parents?
Biology
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TO
toygiovanna
Updated 1 month ago
Riparian zones are important to the natural environment because they _______. - a. contain pollution from runoff b. reduce soil erosion c. support diverse organisms d. all of the above
Riparian zones are important to the natural environment because they _______. - a. contain pollution from runoff b. reduce soil erosion c. support diverse organisms d. all of the above
Biology
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MT
mtoy
Updated 1 month ago
Which is the greatest contribution of Gregor Mendel to society? - an ability to beautify the environment the variety in breeds of dogs and cats the increased speed by running horses an understanding
Which is the greatest contribution of Gregor Mendel to society? - an ability to beautify the environment the variety in breeds of dogs and cats the increased speed by running horses an understanding of genetic principles
Biology
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SB
sbogan
Updated 1 month ago
Oxygen has an atomic number of 8. - The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. Oxygen's valence is _____.
Oxygen has an atomic number of 8. - The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. Oxygen's valence is _____.
Biology
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CA
cathrineosinski
Updated 1 month ago
Clownfish live in sea anemones, which protect the fish from predators. - The sea anemone isn't harmed and doesn't benefit from this relationship. This is called _____. parasitism commensalism phoresy
Clownfish live in sea anemones, which protect the fish from predators. - The sea anemone isn't harmed and doesn't benefit from this relationship. This is called _____. parasitism commensalism phoresy mutualism
Biology
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KA
kaseyanderson
Updated 1 month ago
A large land mammal with floppy ears and a long trunk is called an ? - A large land mammal with floppy ears and a long trunk is called an ?
A large land mammal with floppy ears and a long trunk is called an ? - A large land mammal with floppy ears and a long trunk is called an ?
Biology
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BO
boganlaila
Updated 1 month ago
Together the esophagus, stomach, and intestines are part of a? - together the esophagus, stomach, and intestines are part of a?
together the esophagus, stomach, and intestines are part of a? - together the esophagus, stomach, and intestines are part of a?
Biology
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AR
aric32
Updated 1 month ago
James wants to create a self-sustaining ecosystem, or vivarium. - Which method would most likely result in an ecosystem that is viable for the longest amount of time with no additional care? Put a few
James wants to create a self-sustaining ecosystem, or vivarium. - Which method would most likely result in an ecosystem that is viable for the longest amount of time with no additional care? Put a few plants, water, sand, and a heat lamp inside a clear glass aquarium and seal the top. Place it in a sunny location. Put water, fertilizer, soil, plants and insects in an open, clear glass aquarium. Place it in an area that has some sunlight and some shade. Put rocks, water, and many plants in an ope
Biology
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EA
earnest94
Updated 1 month ago
A strange new organism with large, complex eyes is found in the tropical rainforests of South America. - The organism makes its nest in a different tree every year and consumes only Brazil nuts. It
A strange new organism with large, complex eyes is found in the tropical rainforests of South America. - The organism makes its nest in a different tree every year and consumes only Brazil nuts. It probably belongs to which Kingdom? A. Archaebacteria B. Protista C. Animalia D. Fungi
Biology
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DA
danikanader
Updated 1 month ago
Help please Determine the genotype of each parent plant and write them below. - Use W to indicate the allele for white flowers and R to indicate the allele for red flowers. Genotype of homozygous
Help please Determine the genotype of each parent plant and write them below. - Use W to indicate the allele for white flowers and R to indicate the allele for red flowers. Genotype of homozygous parent plant with white Genotype of homozygous parent plant with red
Biology
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BR
brekkenatalie
Updated 1 month ago
Which statement is scientifically based? - A). Mutations rarely occur. B). All mutations are harmful. C). Some mutations can be contagious, like infections. D). Mutations are not passed from parent to
Which statement is scientifically based? - A). Mutations rarely occur. B). All mutations are harmful. C). Some mutations can be contagious, like infections. D). Mutations are not passed from parent to offspring.
Biology
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VA
van48
Updated 1 month ago
If an ecologist knows the types of plants in an area, he can make a good guess as to the type of biome and the type of fauna that live there. - True or False.
If an ecologist knows the types of plants in an area, he can make a good guess as to the type of biome and the type of fauna that live there. - True or False.
Biology
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DE
devantekutch
Updated 1 month ago
Which trophic level do anacondas and jaguars fill in the Amazon rainforest? - producer primary consumer secondary consumer tertiary consumer
Which trophic level do anacondas and jaguars fill in the Amazon rainforest? - producer primary consumer secondary consumer tertiary consumer
Biology
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BO
borerdanial
Updated 1 month ago
Which does not contain a lens? - A. a floodlight B. a glass eye C. eyeglasses D. a jeweler's loop
Which does not contain a lens? - A. a floodlight B. a glass eye C. eyeglasses D. a jeweler's loop
Biology
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RO
rowan78
Updated 1 month ago
Which of the following is produced during both anaerobic and aerobic respiration? - A) Pyruvate B) Carbon dioxide C) Lactic acid D) Ethanol
Which of the following is produced during both anaerobic and aerobic respiration? - A) Pyruvate B) Carbon dioxide C) Lactic acid D) Ethanol
Biology
9 Answers
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WI
wilson57
Updated 1 month ago
What things are recycled (used over and over again) during photosynthesis and respiration - what things are recycled (used over and over again) during photosynthesis and respiration
what things are recycled (used over and over again) during photosynthesis and respiration - what things are recycled (used over and over again) during photosynthesis and respiration
Biology
9 Answers
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KA
kattielang
Updated 1 month ago
Tissue that lies beneath the epidermis and makes up the majority of the plant is called - Tissue that lies beneath the epidermis and makes up the majority of the plant is called
Tissue that lies beneath the epidermis and makes up the majority of the plant is called - Tissue that lies beneath the epidermis and makes up the majority of the plant is called
Biology
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