Answer:
it would be 60
Explanation:
because if haploid cells double the amount of chromosomes then diploid would do the opposite
Sickle cell anemia is a mutation that results in abnormally shaped blood cells. Which two of the following molecules are changed as a result of this mutation?
lipids
mRNA
Sugars
Pigments
Protein
Sickle cell anemia is caused by a single letter mutation so transcription will lead to synthesis of a different mRNA molecule . The different mRNA molecule will lead to a different protein where a single amio acid is different(there is valine instead of glutamic acid)
What is the definition of metastasize
Answer:
Spread to other sites in the body by metastasis.
Cancer cells that leave the primary tumor and travel through body either through blood stream, limfatic system or tissues to form secondary tumors.
What are each organelles labels on this diagram?
All of the following are characteristics of proteins EXCEPT:
A They contain genetic information
B They can catalyze chemical reactions.
c They can transport materials.
D They can repair tissues.
Answer: A.
Explanation: Proteins are made by decoding genetic information carried by DNA, but contain no genetic information themselves. Although the sequence of amino-acids in a protein matches the code in DNA, there is no process for using protein as a template for DNA.
Proteins may be structural, like collagen in tendons or keratin in hair and fingernails, or enzymes active in metabolism, or in transport, such as haemoglobin that transports oxygen, or in transporting ions into and out of cells against a concentration gradient.
how do depressants affect the central nervous system
Answer:
Depressant substances reduce arousal and stimulation. They do not necessarily make a person feel depressed. They affect the central nervous system, slowing down the messages between the brain and the body. They can affect concentration and coordination.
Explanation:
Trees that lose their leaves during winter are called
A. Deciduous
B. Fern
C. Herbacious
D. Woody
E. Evergreen
Answer:
a. deciduous
Explanation:
hope this helps :) have a great day.
Why are mountain ranges and polar ice caps not easily classified into a major biome?
Answer:
Because they are not easily defined in terms of a typical community of plants and animals, mountain ranges and polar ice caps are not usually classified into biomes.
Explanation:
Which statement compares how the euglena and volvox obtain food?
A. Both the Euglena and Volvox use an oral groove to obtain food.
B. Both the euglena and volvox use chloroplasts to obtain food through
photosynthesis.
C. The Euglena obtains food through photosynthesis, while the Volvox
uses pseudopods which surround its food.
D. The Euglena obtains food using pseudopods which surround its food,
while the Volvox obtains food through photosynthesis.
Answer:
Which statement compares how the euglena and volvox obtain food? I think it's A
Answer:Both the Euglena and Volvox use an oral groove to obtain food.
I'M SORRY IF YOU KEEP SEEING ME BUT MY CLASSES END TOMORROW AND I NEED TO GET EVERYTHING DONE TONIGHTTTTT T^T
Answer:
I believe its b im not sure tho
A student conducts an experiment to determine how the amount of water given to a plant affects its growth. Which of the following is not a constant or control for this experiment?
a. the type of plant
b. the amount of soil
c. the amount of water
d. the amount of time in the sun
Please select the best answer from the choices provided A B C D
Answer:
Its C
Explanation:
Instinct or learned behavior?
A lizard becoming ill after eating a poisonous insect?
The response of a lizard becoming ill after eating a poisonous insect is most likely an instinctual behaviour rather than a learned behavior.
What is instinctual behaviour?Instinctual behavior, also known as innate behavior, is a type of behavior that is genetically programmed in an organism and does not require prior learning or experience. These behaviors are often complex and are typically exhibited in response to specific environmental stimuli or triggers. Instincts are common in animals and are often associated with survival and reproduction.
Examples of instinctual behavior in animals include migration, hibernation, nest building, territoriality, and courtship displays. In many cases, instinctual behavior is triggered by external environmental cues such as changes in light, temperature, or food availability.
Humans also exhibit instinctual behavior, although to a lesser extent than many other animals. For example, newborn infants exhibit innate reflexes such as rooting, sucking, and grasping. Some researchers also believe that certain aspects of human behavior, such as language acquisition and social bonding, may have an innate or instinctual component.
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A scientist is observing a gymnosperm. It is a desert shrub with needle-like leaves. The shrub has a deep root system and produces cones. Which gymnosperm is the scientist most likely observing?
A. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can grow as shrubs in deserts.
B. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
C. She is observing a ginkgo because, unlike other gymnosperms, ginkgoes can grow as shrubs in deserts.
D. She is observing a ginkgo because, unlike other gymnosperms, ginkgoes can have needle-like leaves and deep root systems.
Answer:The answer is B
Explanation:I took the test
The scientist is observing a gnetophyte because unlike other gymnosperms, gnetophyte can have needle-like leaves and deep root systems.
What are gymnosperm?'Gymnos' means 'n aked' and 's perm' means 'seed'.It reproduces by means of an exposed seed or ovule.They do not produce fruits and flowers.What are gnetophyte?They belongs to gymnosperm.Their leaves become needle-like to reduce transpiration.They are vascular plants.The reproductive structure are contained within cones.Hence, the correct option is B. She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
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Given the controversy over drilling for oil as well as transporting oil, what is a viable option for the future?
A)
Move the drilling sites to more remote locations in and around the United
States.
B)
Reduction of fossil fuel use through the incorporation of more green power
sources.
C)
Drill anyway; disregarding the wishes of the people living in the
surrounding areas.
D)
Reconsider the purchase and use of foreign oil in an effort to improve
global relationships with the U.S.
Answer:
I think it is a
Explanation:
Carbon exists in the atmosphere as a(n):
a.Free atom
b.Chemical
c.Liquid
d.Gas(CO2)
Answer:
gas
Explanation:
Answer:
its D gas
Explanation:
carbon dioxide is a greenhouse gas that works to trap heat close to earth
Which of the following statements is true about cellular respiration?
A.Aerobic respiration produces substantially more ATP than anaerobic respiration.
B.Anaerobic respiration produces substantially more ATP than aerobic respiration.
C.Aerobic respiration occurs before glycolysis.
D.Anaerobic respiration occurs before glycolysis
Answer:
the answer would be A.
Explanation:
When the genetic material found within an offspring is diverse, what type of reproduction is responsible?
a
Sexual reproduction, because the genetic material comes from both parents
b
Sexual reproduction, because the genetic material comes from one parent
c
Asexual reproduction, because the genetic material comes from both parents
d
Asexual reproduction, because the genetic material comes from one parent
Answer:
sexual reproduction, because the genetic material comes from both parents.
Explanation:
The sperm and egg produced contain different combination of genes
If a root cap was damaged, how might this negatively affect the plant? Explain your reasoning.
PLEASE HELP!! Easy 10 points!!
Answer: I am pretty sure is A!
what temp is the coldest ? marking brainliest
Mitosis Notes
Biology
Interphase
• DNA is _________________ (# of chromosomes doubles)
• DNA appears as ______________________ (chromatin) at the start, but change to __________________________ at the end of this phase.
Prophase
• __________________________ (cell begins to divide)
• ___________________ appear and begin to move to __________________ ________________________ of cell (only in animal cells)
• ____________________________ form between the poles (made of microtubules)
• ____________________________ starts to disappear
Metaphase
• ________________________ attach to the spindle fibers at the ________________ of the cell.
Anaphase
• ______________________________ when the ____________________________ and begin to move to opposite ends of the cell (spindle fiber ___________________).
Telophase
• ______________________________________
• Chromosomes appear as ________________________
• Spindle fibers _______________________ and disappear
Cytokinesis
• Cell membrane moves inward to create __________________________ - each with its own nucleus with __________________________
Control of the Cell Cycle
• Controlled by enzymes called _________________ and _____________________________ _______________________
1. ________________________________ (G1): decide whether the cell will divide
2. ________________________________ (G2): checks DNA replication
3. ________________________________ (M): triggers exit from mitosis
Cancer
• ___________________ division of cells
• Cancer cells ______________________________ to the body’s control mechanisms.
Apoptosis
• Programmed ______________________________
• Cells that are no longer _____________________
• _________________ fingers and toes
• __________________ cells
• _________________ leaves
Stem Cells
• _______________________ cells that can be programmed to develop into ________________________ cells
• ______________________ - 100-150 stem cells
• Adult stem cells – also called __________________ stem cells
Answer:
the firat one is 24 i think....
Blood type is controlled by the inheritance of any two of the following alleles: IA, IB, or i. IA codes for type A blood. IB codes for Type B blood. Both IA and IB are codominant. The i allele is recessive and will cause Type O blood whenever two copies of the allele are present.
If a mother has Type AB blood (IAIB) and a father has Type O blood (ii), what percentage of their children are likely to have Type A blood?
A. 25%
B. 50%
C. 100%
D. 0%
Answer:
B
Explanation:
If the DNA sequence is --- AAA TAT CCG TAG CAA ATG, write the mRNA sequence, tRNA anticodon sequence, and the six amino acids for this.
adenine(A) binds with uracil(U)
Thymine(T) binds with Adenine(A)
guanine(G) binds with cytosine(C)
The complementary mRNA, which contains the codons is
UUU AUA GGC AUC GUU UAC
The complementary tRNa , which contains the anticodons is
AAA UAU CCG UAG CAA AUG
The six aminoacids are
phenylalanine-isoleucine-glycine-isoleucine-valine-tyrosine
The bases tend to exist as a pair in the DNA’s double helix structure. The bases are bonded by hydrogen bonds.
Their bonds are mentioned as follows:
Adenosine (A) is paired with thymine (T) Cytosine (C) is paired with guanine (G)However, the base thymine (T) is present only in the nucleotide of DNA and the base uracil (U) is present only in the nucleotide of RNA.
Based on the understanding of the nucleotide and central dogma concepts, the following sequences are determined:
DNA Sequence: AAA TAT CCG TAG CAA ATGmRNA Sequence: UUU AUA GGC AUC GUU UACtRNA anticodon: AAA UAU CCG UAG CAA AUGSix amino acids: PHE ILE GLY ILE VAL TYRSix amino acids are namely Phenylalanine, Isoleucine, Glycine, Isoleucine, Valine, and Tyrosine.
Thus, the DNA sequence is used to determine the other RNA sequences and amino acids.
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blood enters on the left side of the heart through the_____ and enters the left atrium. Then passes through the_____ to enter the left ventricle 
Blood enters on the left side of the heart through the pulmonary veins and enters the left atrium. Then passes to the mitral(bicuspid valve) to enter the left ventricle.
Blood is a fluid component of the circulatory system that is very vital for transporting oxygen and nutrients in the body system. It comprises cells suspended in plasma.
The correct answers for the blanks are:
Blank 1: Pulmonary veinsBlank 2: Bicuspid valveThe blanks can be explained as:
The left side of the heart has an atrium that gets the oxygenated blood from the lungs through the pulmonary veins.Oxygenated blood from the left atrium flows to the left ventricle.Blood from the left ventricle flows to the aorta that distributes the oxygenated blood to the body parts.To learn more about the path of the circulatory system follow the link:
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What TWO answer are they please explain i will be giving brainliest to the correct answer:D
Answer:
A and D
Explanation:
How humans changed the balance of the park ecosystem
Answer:
Humans change ecosystems in many ways, such as habitat destruction, pollution, introduction of invasive species, and overexploitation of species.
The most common way that humans damage ecosystems is by destroying habitat. For example, we remove trees, change the flow of water, and change grasslands into farms. These practices can lead to local extinctions of species and cause other species to migrate to new areas.
I dont know if this is helpful but i hope it helps
Humans are able to change the balance of ecosystems through different forms of disturbances.
How is the balance of ecosystems disrupted?Humans are able to disrupt the balance of ecosystems in a variety of ways, such as:
Polluting the ecosystemDestruction of the ecosystemExploitation of the biodiversity in the ecosystemetcPollution alters the ecosystem by poisoning biodiversity or reducing their fecundity. Habitat destruction causes species extinction, and the exploitation of the ecosystem disrupts the general balance by altering habitats and killing species.
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According to the graph, when does the bacteria population reach its peak?
A)
February
B)
March
C)
November
D)
September
D) September
yuhhhhhhhhhhhhhh
Define an occluded front in your own words
most superior part of the
sternum
Answer: manubrium
Explanation:
The levels of organization of the human body, from the simplest to the most complex is in the following order: Cells, Tissue, Organ, Organ System, Organism. (True or False)
Answer:
True.
Explanation:
It is true that biological levels of organization of living things arranged from the simplest to most complex are:
organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.What is biological level of organization?Levels of organization are natural systems that are frequently described by part-whole connections, with higher ones being made up of lower levels. The atomic, molecular, cellular, tissue, organ, organismal, group, population, community, ecosystem, landscape, and biosphere levels of organization are common in the literature.What is cell?The smallest unit in biology that can exist on its own and makes up all living creatures and bodily tissues. The cell membrane, nucleus, and cytoplasm are the three primary components of a cell. The cell membrane encloses the cell and regulates the molecules that enter and exit it.Hence, the above statement is true.
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What causes a rainbow?
Answer:
A rainbow is caused by sunlight and atmospheric conditions. light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, seperating into its component wavelengths-or colors when light exits the droplet, it makes a rainbow
