give two roles of nucleus in the cell
Explanation:
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.
is it ok if u could try and help me with my last question if so thx
Which of these units are most commonly found/used in science?
feet/inches
pounds/ounces
yards/miles
meters/grams
Answer:
Meters/grams are the most common.
Explanation:
Grams are very exact and meters are also common to use.
Drag each tile to the correct location. The tiles can be used more than once. Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or eukaryotic.
Answer:
The correct image with related to question is attached please do check.
Explanation:
Genetic material or Nuclear material can be found in the cell either in "nucleus" a membrane bound organelles or found in the cytoplasm. This is the major difference between prokaryotic and eukaryotic cell.
In prokaryotic cell the genetic material that is DNA, and RNA is not present in the nucleus as there is no body like nucleus for instance figure 2 and 3 whereas in eukaryotic organisms it is present in a nucleus like in figure 1 and 4.
Answer:
1. eukaryotic cell
2. prokaryotic cell
3. prokaryotic cell
4. eukaryotic cell
Explanation:
I got it right on plato.
How does a marathon runner use oxygen and produce carbon dioxide during the marathon
Explanation:
Alright, a marathon runner is running, what do you do when you run, you breathe in (usually heavy too) so when the runner is breathing in, they take in oxygen (air), and breathe out carbon dioxide (used air.)
is algae plant- like, fungus- like, or animal- like
Answer:
plant-like
Explanation:
Even though It's a living thing, it contains structures within their cells that resemble plant cell structure. For example, it has chlorophyll.
Part of the cell membrane that transports materials ?
A collection of cells with similar function forms -
Answer:
Tissue is a collection of cells with similar function forms.
Explanation:
A student investigates the effects of fertilizer on corn plants by performing the following steps: 1. Plant groups of corn plants in the same type and amount of soil in full sunlight. 2. Add the same amount of different brands of fertilizer to each group. 3. Water the plants for 5 minutes each day. 4. Measure the heights of the plants each day. What is the independent variable in this investigation?
I think the answer would either be the different brands of fertilizer
How is DNA expression regulated in individual cells?
Answer:
Gene regulation can occur at any point during gene expression, but most commonly occurs at the level of transcription (when the information in a gene's DNA is transferred to mRNA). Signals from the environment or from other cells activate proteins called transcription factors.
Explanation:
Gene regulation can take place at any stage of gene expression, although it often happens during transcription when the data from a gene's DNA is converted to mRNA.
What is gene regulation?Proteins known as transcription factors are activated by signals from the environment or from other cells.
Limiting the amount of mRNA that is generated from a certain gene regulates transcription.
Eukaryotic gene expression is regulated by the nucleus-based mechanisms of transcription and RNA processing and the cytoplasm-based activities of protein translation.
Therefore, the translation of mRNA into proteins is regulated by post-transcriptional processes, which constitute the second level of regulation.
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due date today 1:00 pam
Answer:
The amount of light that a plant has determines how much the plant grows, plants need sunlight for photosynthesis, and photosynthesis is how they make food so if a plant has little to no sun it won't grow well.
5 Devise Imagine that one tree outside your
school looks unhealthy, although all the other
trees seem healthy and strong. Describe how
you could apply scientific thinking to the
situation.
how can an error in dna get us sick?
Pleaseeee explain!
Answer:
Errors during Replication. DNA replication is a highly accurate process, but mistakes can occasionally occur as when a DNA polymerase inserts a wrong base. Uncorrected mistakes may sometimes lead to serious consequences, such as cancer. Mutations: In this interactive, you can “edit” a DNA strand and cause a mutation.
how natural selection could lead to the trait distribution?
Imagine green and yellow bugs live in the grass. Their predator is the speckled finch. Now, the finch flies down to grab some tasty beetles, and which ones does it go for? The yellow ones. The green beetles, due to their natural grass camouflage will have a much smaller chance of being eaten than the yellow ones which stand out. While the yellow ones get eaten the green thrive and reproduce. Soon, there won't be anymore yellow bugs. They'll most likely die out or breed with the green ones to make offspring of a more green color.
Characteristics of a ant
Answer:
Their bodies are covered with a hard armor called the exoskeleton. Most ants are either red or black in color and length can be anywhere from 1/3" to 1/2". Like other insects, they have six legs; each with three joints. Ants have large heads with compound eyes, elbowed antennae, and powerful jaws.
Explanation:
The ant is an arthropod that has the characteristics of arthropods, such as the jointed legs, the exoskeleton that protects it, and the segmented body; apart from that, it has an antenna, etc.
What are the features of the ants?The ants belong to arthropods, and the arthropods are non chordates. The special feature of the arthropods is that their bodies are segmented into three parts, such as the head, thorax, and abdomen, and they have an exoskeleton similar to that of the ant. Ants are eusocial animals, meaning they live in groups. Different types of ants are present in different geographical locations, and some of them produce toxins that are harmful to other animals.
Hence, the ant is an arthropod that has the characteristics of arthropods, such as the jointed legs, the exoskeleton that protects it, the segmented body, etc.
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how many teeth do I have
Answer:
an adult has 32
Explanation:
During an investigation, Sam observes the number of hummingbirds that come to his large bird feeder at different times of day. He fills the feeder to the top the first day and counts the number of birds at 6 a.m., noon, and 6 p.m. over ten days. What are the independent and dependent variables in Sam’s investigation?
Answer:
The independent variable in this question is the time of day the feeders are observed and the dependent variable is the number of humming birds.
Explanation:
The number of humming birds DEPENDS on the time of day the feeders are filled
Hope this helps :)
What’s a hazard
A hazard that occurs unintentionally
True or false
Help me anyone if you would please
Answer:
A
Explanation:
HURRY PLS HELP ASAP
Which substances compose the backbone of DNA?
sugars and lipids
phosphates and amino acids
sugars and phosphates
lipids and proteins
Answer:
sugars and phosphate compose backbone of dna
Answer:
sugars and phosphates
Explanation:
c
two effects of climate change on the environment
Answer:
various factors of climate change can effect the environment
Explanation:
1. extreme heat - droughts, bushfires
2. flooding effects infrastructure
3. rising in sea levels
I am a multicellular organism. I am heterotrophic and rely on oxygen to metabolize my food. I belong to Kingdom
Answer:
Kingdom Animalia
Explanation:
Kingdom Animalia is one of the seven kingdoms living organisms are classified into. The Kingdom contains organisms called ANIMALS. They are eukaryotic i.e. possess a membrane-bound nucleus. Animals are heterotrophic i.e. they rely on other organisms for their source of energy (food).
In order to break down this food via metabolism, animals need oxygen to do so. This process is called respiration, and it yields energy in form of ATP, which is used by their cells to carry out cellular functions. Therefore, a heterotrophic multicellular organism that relies on oxygen to metabolize its food belongs to KINGDOM ANIMALIA
Which statement describes a newton? It exists only for objects on Earth. It measures the mass of an object. It reflects the amount of force an object exerts. It states that every object attracts another object.
Answer:
It reflects the amount of force an object exerts
Explanation:
A newton is a unit of force that will accelerate one kilogram of mass one meter per second squared.
Answer:
its C
Explanation:
What are four types of organic compounds found in all living things?
Answer:
Most organic compounds making up our cells and body belong to one of four classes:
carbohydrateslipidsproteinsnucleic acidsHope this helps :)
Answer:
carbohydrates, lipids, proteins, and nucleic acids
Explanation:
what percentage decrease in fossil fuel usage is required to achieve this goal?
Answer:
Further decrease fossil fuel consumption to 80 percent below current levels by 2050
fire converts energy into what
Can someone please help me?
Using complete sentences, compare and contrast the terms living and biotic. In your response, illustrate using examples and appropriate compare-and-contrast vocabulary
Both living things and biotic factors can be alive.
Unlike living things, biotic things may not be alive; they may have once lived or came from something living.
I included an example of something both living and biotic, such as flowers.
I included an example of something biotic, but not living, such as paper.
I used compare-and-contrast vocabulary.
Explanation:
As you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
What is biotic?Biotic may be defined as something that is closely related to living organisms or something that is directly derived through the action of living organisms.
As compared to living, biotics may not always be alive, but it talks for a long period. Biotic is something that has once lived or emanated from something living.
Examples like plants, animals including humans are categorized under the category of living, while products such as rubber, latex, cow dung, paper, etc are biotic products that are not living.
Therefore, as you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
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When the population of rabbits falls to 400, what will be the population of foxes if the trend continues?
A) 400
B) 500
C) 600
D) 700
Answer:
400?
Explanation:
because if the foxs dont have food then they will starve and die as well
skin is an organ ? I’m confused can someone explain this?????
Answer:skin is the biggest organ on your body :)
Explanation:
Answer:
Yes
Explanation:
It's an organ
because we have the following
[tex]cell\rightarrow\:tissues\rightarrow\:organs[/tex]
it's an organ because it's a "set" of tissues
the epidermis
the dermis
ect.
Distinguish between catabolism and anabolism, giving an example of each reaction as endergonic or exergonic:
Answer: Anabolism builds complex molecules from simpler ones, while catabolism breaks large molecules into smaller ones.
Explanation:
a-Glycerol reacts with fatty acids to make lipids:
CH2OHCH(OH)CH2OH + C17H35COOH → CH2OHCH(OH)CH2OOCC17H35
Simple sugars combine to form disaccharides and water:
C6H12O6 + C6H12O6 → C12H22O11 + H2O
c-During cellular respiration, glucose and oxygen react to yield carbon dioxide and water
C6H12O6 + 6O2 → 6CO2 + 6H2O
In cells, hydroxide peroxide decomposes into water and oxygen:
2H2O2 → 2H2O + O2