Answer:
A. nuclear duplication and cytoplasmic division
The two processes are involved in mitotic cell division include nuclear duplication and cytoplasm division.
Mitosis produces two identical daughter cells and is an asexual reproductive process which takes place during cell growth processes such as nuclear duplication and cytoplasm division.
Spermatogenesis and oogenesis are examples of sexual reproductive processes which involves the production of sperm and egg cells respectively. This makes them fall under meiosis and not mitosis.
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The relative difference in charge across a plasma membrane is the ____________ in an inactive excitable cell. A ____________ is used to measure the voltage difference across the plasma membrane. This is done by placing one microelectrode into the ____________ and the other microelectrode outside the neuron into the ____________ . The RMP has a value that is typically ____________ millivolts. More positive ions reside ____________ a neuron than ____________ a neuron when it is at rest.
Answer:
Resting membrane potential; voltmeter; neuron; interstitial fluid; -70; outside; inside.
Explanation:
A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.
A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles. Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include; nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, vesicles, etc.
The relative difference in charge across a plasma membrane is the resting membrane potential in an inactive excitable cell. A voltmeter is used to measure the voltage difference across the plasma membrane. This is done by placing one microelectrode into the neuron and the other microelectrode outside the neuron into the interstitial fluid. The RMP has a value that is typically -70 millivolts. More positive ions reside outside a neuron than inside a neuron when it is at rest.
What is Environment Secretary?
Explanation:
refers to carbinet secretary for food, rural affairs and environment
Answer:
The Secretary of State for Environment, Food and Rural Affairs. This is important in a society.
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When does cytokinesis occur in plant cells
Answer:
Prophase
Explanation:
Cytokinesis begins in anaphase in animal cells and prophase in plant cells, and terminates in telophase in both, to form the two daughter cells produced by mitosis.
Which scientist calculated amounts of nitrogenous bases in DNA?
a. Watson
b. Crick
C.Franklin
d. Chargaff
Answer:
d. Chargaff
Explanation:
What are some Cons about cloning?
Answer:
Explanation:
The process is not entirely safe and accurate. Despite being genetically identical with each other, clones will not be the same regarding behavioral attributes. ... It is regarded as unethical, and the probability of abuse is very high. ... The offspring lack genetic uniqueness. ... It is not yet fully-developed.Answer:
1) The process is dangerous.
2) The process is not fully developed yet.
3) Cloning does not always work.
4) Faster aging.
Explanation:
Hope this helps
11. Roses now come in several colors such as orange and purple. Which process are florist most likely to use in creating these new flowers?
a. Genetic cloning
b. Protein synthesis
c. Artificial selection
d. Asexual reproduction
Answer:
C
Explanation:
It's essentially just selective breeding and like the equivalent to people breeding dogs for certain traits
Answer:
C
Explanation:
edge 2021
what are the two sides of dna made of?
a) sugar and phosphate
b) sugar and hydrogen bonds
c) sugar and bases
Answer:
its made up of alternating sugar and phosphate molecules. or the first option
Explanation:
The sugar is deoxyribose. The rungs of the ladder are pairs of 4 types of nitrogen bases.
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Without the Sun, there would be no life on Earth. This is because the Sun is the major source of all
on Earth.
A)
energy
B)
flares
C
heat
D)
sunfish
Answer:
A
Explanation:
please help for my biology
Farmers raise crops that have been made virus-resistant by adding a gene from the teosinte weed. This is an example of... *
natural selection.
gene therapy.
genetically modified organisms.
artificial selection.
Answer:
C. genetically modified organisms.
Explanation:
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What wave property is different between each region of the electromagnetic spectrum?
Answer: Well, over time the wavelengths become shorter and become higher in frequency and energy.
Explanation:
See on the picture how the waves are getting shorter once they move further down the spectrum
Decommissioned oil rigs are sometimes converted to artificial reefs in the Gulf of Mexico. What is the likely impact to the ecosystem by creating artificial reefs around these retired oil rigs?
a
The large fish population will increase, but the small fish population will decrease.
b
Biodiversity is increased throughout the ecosystem.
c
Biodiversity remains the same because organisms do not like man-made structures
d
Invasive species of fish move into the ecosystem because there are no natural predators.
Answer:
B
Explanation:
B
The likely impact on the ecosystem by creating artificial reefs is that biodiversity would be increased throughout the ecosystem (Option B).
What is biodiversity?The term biodiversity makes reference to all types of forms of life (organisms) present in a given ecosystem.
Biodiversity can also be used to explain the genetic and phenotypic variation in a population.The loss of biodiversity may have drastic consequences on the whole ecosystem.In conclusion, the likely impact on the ecosystem by creating artificial reefs is that biodiversity would be increased throughout the ecosystem (Option B).
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1. What is special about the hand of humans?
2. The design of the human hand is an adaptation. How does our hand's design allow us to do so many tasks such as writing, texting, and tying shoes?
Answer:
What makes human hands unique? ... This long thumb and its ability to easily touch the other fingers allow humans to firmly grasp and manipulate objects of many different shapes. The human hand can grip with strength and with fine control, so it can throw a baseball or sign a name on the dotted line.
Humans, as well as monkeys, gorillas, and other primates, have a hand that can grip and grasp objects because they have an opposable thumb. The earliest primates were arboreal (they climbed trees), and so having grasping hands was an advantage in this environment. Human thumbs modified their ancestors’ opposable thumbs, making them more mobile and thus even more opposable.
what is life cycle in simple definition
Answer:
is the corse of event that bring new product into exstence and follow its growth into mature product and evential critical mass or decline
Match the population ecology term to its definition.
Answer:
Population =B)
Community = A)
Ecosystem= C)
Species= D)
Explanation:
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What is the third step in fieldwork for marine science?
a.) sorting/analysis
b.) analysis/presentation
c.) presentation/exposure
Answer:
analysis/presentation
Explanation:
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The third step in fieldwork for marine science is analysis/presentation, Thus option "B" is correct.
Why is it important to study marine science?Marine science recreates key role in the ongoing search to understand our world and to control its resources.
The interdisciplinary nature of the Marine Science curriculum will organise students to analyze deeply such co occuring issues as environmental alter, human clashes on the ocean, and biodiversity.
Thus option "B" is correct.
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13)
What is at the base of all ecological pyramids?
A)
consumers
B)
decomposers
9
producers
D)
scavengers
4. What two energy sources is produced by
Renewable and Non-renewable Sources?
Hurry quickly please!!!
Answer:
Renewable resources: timber and wind
Explanation:
nonrenewable resources: coal and natural gas
Whales, which live in the water, have hips. These structures are important for carrying the weight of animals that walk on land. Finding this body part in animals that dont walk on land would lead us to predict what finding in the fossil record?
A Hips in ancient animals that always lived in water
B. Land-dwelling animals that dont have hips
C. A form of whale that lacked this structure
D. An ancestor of whales that walked on land
Answer:
d
Explanation:
Please tell me. What is the consequences of environmental change on different species?
Answer:
Climate change leads to a loss of species
Global warming resulting from human emissions of greenhouse gases. The consequences include habitat loss; shifts in climatic conditions and in habitats that surpass migrational capabilities; altered competitive relationships.
Explanation:
Answer:
Animals that go to specific places such as flying south for the winter, could overheat if the world continues to get warm.
Explanation:
Lichens can do photosynthesis in harsh habitats where plants cannot grow, such as on the surface of rocks, where there is no soil and little water. This is possible because
A) lichens have fungal hyphae that are efficient at absorbing water and minerals to support mutualistic cyanobacteria.
B) lichens are ingestive heterotrophs that can obtain ATP from the chemicals in rocks.
C) lichens have extensive, fibrous roots.
D) lichens are exceptionally efficient at capturing light from the sun.
E) lichens are microscopic and require very little in the way of raw materials.
Answer: A. lichens have fungal hyphae that are efficient at absorbing water and minerals to support mutualistic cyanobacteria.
Explanation:
Photosynthesis, is referred to as the process whereby there's transformation of light energy to chemical energy by green plants and some other other organisms.
We should note that for lichens, they can do photosynthesis in harsh habitats such as on the surface of rocks, where there is no soil and little water because they have fungal hyphae that are efficient at absorbing water and minerals to support mutualistic cyanobacteria.
Therefore, the correct option is A.
how is the location of the rough ER related to.its overall purpose for the cell
12. Many people worldwide are malnourished, in part because food
production is
a, sufficient, but distribution is inconsistent,
b, dependent on heavy fertilizer use,
e, slanted toward grain crops,
d, dependent on using genetically engineered plants,
Answer:
A.
Explanation:
Makes the most logical sense.
Answer:
THE ANSWER IS B
Explanation:
what does the following types of algae is uni cell
ular
Answer:
Most often there is a unicellular alga chlamydomonas. It moves in water with the help of two flagella located on the front, narrower end of the cell. Outside the chlamydomonas is covered with a transparent membrane, under which there is a cytoplasm with a nucleus, a red "eye" (a photosensitive body of red color), a large vacuole filled with cell juice, and two small pulsating vacuoles. Chlorophyll, contained in the chromatophores, gives a green the cell a green color.
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Explanation:
Two short-haired guinea pigs are mated several times. Out of 100 offspring, 25 of them have long hair. What are the probable genotypes of the parents? Show the Punnett Square to prove it.
Answer:
Ss (male) × Ss (female)
Explanation:
This question involves a single gene coding for hair length in guinea pigs. Based on the information in this question, the allele for short hair (S) is dominant over the allele for long hair (s). This means that a guinea pig will only be phenotypically long-haired if the genotype is "ss".
According to this question, Two short-haired guinea pigs are mated several times. Out of the 100 offsprings produced by this cross, 25 of them have long hair (recessive). This means that the phenotypic ratio of this cross is 3 short hair : 1 long hair i.e. 100 - 25 = 75 short hair. 75/25 = 3/1 = 3:1
To produce this phenotypic ratio, the parents must both be heterozygous (Ss) for the hair length gene.
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Answer:
Transcription starts with DNA and ends with RNA the location is at the nucleus
Translation starts with the RNA and ends with Protein the location is at the cytoplasm
number of strands in a DNA is 2 strands it has Adenine, thymine, cytosine and guanine are the four nucleotides found in DNA.
number of strands in a RNA is a single strand it has adenine, cytosine, uracil, and guanine found in the RNA
Can someone please help me
Answer:
It does not tell you the exact age of something.
write the functions of the diencephalon
Answer:
The diencephalon relays sensory information between brain regions and controls many autonomic functions of the peripheral nervous system. This section of the forebrain also connects structures of the endocrine system with the nervous system and works with the limbic system to generate and manage emotions and memories.
Explanation:
50 POINTS!!!!!!!!!
1. Fill in the complementary DNA strand using DNA base pairing rules.
2. Fill in the correct mRNA bases by transcribing the bottom DNA code
3. translate the MRNA codons and find the correct amino acid using the codon table
4. Use the MRNA sequence to find the correct anticodon for the TRNA molecule
Answer:
PART 1: AAAGTTGCTGGTTG
PART 2:UUUCAACGACCAAC
PART 3:
UUU ---> Phe
CAA ---> Gln
CGA ---> Arg
ACC ---> Thr
AAC ---> Asn
PART 4: AAAGUUGCUGGUUG
Explanation:
Hello There!
PART 1: The first thing we want to do is find the complementary base pairs for the given DNA strand
Remember
The base pairs are
Adenine and Thymine
Cytosine and Guanine
The DNA strand given is
TTTCAACGACCAAC
Now we pair each nucleotide with its complementary base pair
T would change to A
A to T
C to G
and G to C
leaving us with
AAAGTTGCTGGTTG
PART 2: Now we want to transcribe the complementary DNA strand
IMPORTANT NOTE: Transcribing is pretty much like the first part, pairing each nucleotide with its complementary base pair except Adenine changes to Uracil not thymine
so adenine (A) changes to uracil (U)
thymine (T) to adenine (A)
guanine (G) to cytosine (C)
cytosine (C) to guanine (G)
AAAGTTGCTGGTTG
*transcribe*
and we're left with
UUUCAACGACCAAC
The next step is to pair the codons to its corresponding amino acid using the codon table provided below
The first thing we want to do is spread the codons out
Remember codons are a set of 3 nucleotides
Codon 1 (UUU) Codon 2 (CAA) Codon 3 (CGA) Codon 4 (ACC) Codon 5 (AAC)
Now we want to match each codon with its corresponding amino acid
Going from inside to outside using each letter we get that
UUU codes for Phe (Phenylalanine)
CAA codes for Gln (Glutamine)
CGA codes for Arg (Arginine)
ACC codes for Thr (Threonine)
AAC codes for Asn (Asparagine)
PART 4 Finally we want to find the anticodon of the mrna
Which is pretty much pairing each nucleotide base with its corresponding pair
Adenine to Uracil
Uracil to Adenine
Cytosine to Guanine
Guanine to Cytosine
So we'd go from UUUCAACGACCAAC to
AAAGUUGCUGGUUG
Can someone help me
Answer:
B
Explanation: