Answer: both unwind the double helix to start the process
both use complementary base pairing
Fill in the blanks with the correct word or phrase.
The process of change in a population over time is called
.
The process by which organisms that are better adapted to the environment survive and reproduce is called
.
Answer:
evolution
Natural selection
Explanation:
Answer:
The first blank is evolution and the second black is natural selection.
Explanation:
Club mosses are closely related to:
A. ferns
B. mosses
C. liverworts
Answer:
A. FERNS
Explanation:
Name two potential pollinations???
Explanation:
male anther of a flower to the female stigma of a flower. This helps to bring about fertilization of the ovules in the flower by the male gametes from the pollen grains.
Insect pollinators include bees, (honey bees, solitary species, bumblebees); pollen wasps (Masarinae); ants; flies including bee flies, hoverflies and mosquitoes; lepidopterans, both butterflies and moths; and flower beetles. Vertebrates, mainly bats and birds, but also some non-bat mammals (monkeys, lemurs, possums, rodents) and some lizards pollinate certain plants. Among the pollinating birds are hummingbirds, honeyeaters and sunbirds with long beaks; they pollinate a number of deep-throated flowers. Humans may also carry out artificial pollination.
A pollinator is different from a pollenizer, a plant that is a source of pollen for the pollination process.
Which products are made from nonrenewable resources? Check all that apply.
a. a soft-drink can
b. lipstick
c. a cotton T-shirt
d. motor oil
e. a wooden table
Answer:
The answer is A, B, and D
Explanation:
Products that are made from non-renewable resources are a can of soda, lipstick and motor oil.
What are renewable and non-renewable resources?Renewable natural resources are those that are renewed in a short period of time compared to the human lifetime. Some examples of renewable resources are:
watersoilorganic matterbiofuelsand wind.Non-renewables are those that are not renewed in a short period of time compared to the human lifespan.
Whit this information, we can conclude that products that are made from non-renewable resources are a can of soda, lipstick and motor oil.
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What is a cell structure that receives proteins and other newly formed materials from the endoplasmic reticulum and packages them and distributes them to other parts of the cell?
cell- the basic unit of structure and function of all living things
microscope -an instrument that makes small objects larger
cell theory- a widely accepted explanation of the relationship between cells and all living things
organelle- a tiny cell structure that carries out a specific function within the cell
cell wall -a rigid layer of nonliving material that surounds the cells of plants and some other organisms
cell membrane- a cell structure that controls which materials go into or out of the cell
nucleus- a cell structure that contains nucleic acids, the chemical instruction's that direct all the cell's activities
cytoplasm -the region between the cell membrane and the nucleus; in organisms without a nucleus, the region located inside the cell membrane
mitochondria rod-shaped cell structures that convert energy in food molecules to energy that the cell can use to carry out its functions
endoplasmic reticulum- a cell structure that forms a maze of passageways in which the proteins and other materials are carried from one part of the cell to another
ribosome- a small grain-like structure in the cytoplasm of the cell where proteins are made
Golgi body -a structure in the cell that receives proteins and other newly formed materials from teh endoplasmic reticulum, packages them, and distributes them to other parts of teh cell
chloroplast- a structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food
vacuole a sac inside a cell that acts as a storage area
lysosome- a small, round cell structure containing chemicals that break down large food particles into smaller ones
element- any substance that cannot be broken down into simpler substances
compound -two or more elements that are chemically combined
carbohydrate- energy-rich organic compound, such as a sugar or a starch, that is made of the elements carbon, hydrogen, and oxygen
protein- large organic molecules made of carbon, hydrogen, oxygen, nitrogen and sometimes sulfur
amino acid -a small molecule that is linked chemically to other amino acids to form proteins
enzyme- a type of protein that speeds up chemical reactions in living things
lipid- energy-rich organic compound, such as a fat, oil, or wax, that is made of carbon, hydrogen, and oxygen
nucleic acid -very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, and phosphorus, that contains the instructions cells need to carry out all the functions of life
DNA- the genetic material that carries information about an organism and is passed from parent to offspring
RNA- a nucleic acid that plays an important role in the production of proteins
selectively permeable- a property of a cell membrane that allows some substances to pass through, while others cannot
diffusion -the process by which molecules move from an area of higher concentration to an area of lower concentration
osmosis -the diffusion of water molecules through a selectively permeable membrane
passive transport- the movement of materials through a cell membrane without using energy
active transport -the movement of materials through a cell membrane using cellular energy
A component of the cell that collects freshly generated proteins and other materials from the endoplasmic reticulum wraps them, and transports them to other areas of the cell is called the Golgi apparatus. The correct option is B.
What is the Golgi apparatus?Golgi apparatus is an organ of the eukaryotic cells. It is an irregular-shaped organ. It was discovered by Camillo Golgi. That's why its name is Golgi apparatus.
There are many functions of this organ. It helps in the packaging of proteins and lipids molecules. These proteins are then transported to other parts of the cell.
Thus, the correct option is B. Golgi apparatus.
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Your question is incomplete. Your most probably complete question is given below:
Lysosomes
Golgi apparatus
Ribosomes
Endoplasmic reticulum
PLS HELP ME!! HELLO? ANYONE OUT THERE WHO IS A KIND SOUL AND WILL HELP ME? WILL GIVE BRAINLIST!!
Elements are _____.
A. only found on earth
B. subatomic particles with a positive charge
C. substances that are made up of only one type of atom
D. a chemical substance composed of atoms of two or more different types of atoms
Answer:
C
Explanation:
elements are made up of one type of atom. if they contain many atoms then they can be called as compounds.
elements are not subatomic particles . many atoms combine together to form an element.
Imagine you are introducing the Lac operon and the Trp operon to students who have never learned about it before.
Complete the table to compare the similarities and differences between the two operons.
Type of operon:
Trp operon is a repressible operon
Lac operon is an inducible operon.
Environment:
Trp operon is deactivated when tryptophan is present in the environment.
Lac operon is activated when lactose is present in the environment.
Repressor protein:
Trp operon is activated by tryptophan through bonding to the repressor protein
Lac operon is inactivated by lactose through binding to the repressor protein.
Transcription:
Trp operon -Tryptophan binds to the repressor protein, activating it, thus preventing active transcription of Trp operon.
Lac operon - Lactose binds to the repressor protein, deactivating it, thus allowing for active transcription of Lac operon.
An operon is a unit of DNA found in prokaryotes, containing a cluster of genes under the control of a single promoter and which performs a specific function. Examples of operons are the tryptophan (Trp) and lactose (Lac) operons.
Trp operon is responsible for tryptophan synthesis while Lac operon is responsible for lactose transportation and metabolism.
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Answer:
answer below
Explanation:
straight from edmentum
Question 11 (1 point)
Which of the following is not the name of a taxon?
Order
O Family
O Class
O Association
Your sense of touch depends upon:
direct contact
heat
chemical reactions
pain
Answer:
The answer is direct contact.
Explanation:
Sense of touch have to depends on direct contact.
which statemnet is true about all adaptations
Here is Your Answer- Answered By J.A - Aka. Joshua Amachee
The Question Here: MI Of the question: What is true about all adaptions?
My answer is here:
they result from having different alleles
Explanation:
Why and How? - They relate to evolution
Answer:
Explanation:
The three basic types of adaptations, based on how the genetic changes are expressed, are structural, physiological and behavioral adaptations. Most organisms have combinations of all these types.
2 Points
What is the purpose of the Bill of Rights?
O A. To persuade Great Britain to change its policies
O B. To inform the public about the king of England's crimes
O C. To explain the rights of citizens of the United States
O D. To ask people to become citizens of the United States
SUBM
Which best describes the scientist who contributed to our current body of knowledge?
Answer: People of all races
Explanation: People all over the word have done experiments and made observations that have contributed to what we now know
APEX :)
Assume Deb eats three 150-gram bags of potato chips each day. Use the USDA food database to calculate Deb’s calorie consumption and the number of grams of protein, carbohydrates (by difference), and the total fat that she eats. You may use any brand of potato chips in the database, but state the brand in your answer.
Answer:
Let’s consider that she eats Herr’s Baked Ripple Cut Potato Chips. If she ate a total of 450 grams of these potato chips every day, she will consume about 1,930 calories, 32.13 grams of total fat, 32.13 grams of protein, and 353.36 grams of carbohydrates.
Explanation:
Darwin noticed that birds that were good at finding scarce food in the winter had a better chance of surviving and producing offspring. What did he call this struggle for existence?
Answer:
Natural selection.
Explanation:
Short hair (S) is dominant to long hair (s) in cats. What would be the genotype(s) of a cat with long hair
A SS or Ss
B ss
C Ss
D SS
Answer:
A,C,D
Explanation:
Pretty much just A
experiment to show transpiration takes place in plants
Explanation:
experiment to demonstrate transpiration phenomenon with the Bell jar method
Which strategy best describes a way to address polluted air? Select three options.
Answer:
replace the type of chemicals used in industrial processes
minimize the burning of fossil fuels used at industrial plants
study the effects of mold exposure on people who suffer from asthma
Explanation:
Give two causes of Malnutrition
HELP :)
Answer:
Two causes of Malnutrition are not eating enough food and or not drinking enough water.
Explanation:
Enzyme activity within metabolic pathways is regulated by
O food consumption
O activators and inhibitors
O oxidation
O neurons
Answer:
activators and inhibitors
Explanation:
Explain why food webs are more stable than food chains
Answer:
Food webs are more stable than food chains because i one species died or became extinct there would be other options for the other organisms to all back on.
Example:
The mouse became extinct, the snake now eats bunnies because they are their other prey.
SOMEONE PLEASE HELP ME :(
Neurotransmitters can be blocked which
disrupts the ____ impulse from traveling
through the target neuron.
A. synthetic
B. electrical
C. somatic
D. chemical
Express a
mass of 0.014 mg in grams
Answer:
14 mg
Explanation:
1 g = 10³ mg = 1000 mg
0.014 g * 1000 mg/1g = 14 mg
0.014mg in grams would be equal to 1.4 × 10^-5 gram.
What are unit conversions?There are a few items that we track in our daily activities, including the following:
Speed \sTemperature \sArea \sVolume \sMass
Units of measure are needed in order to measure these values. Sometimes the units of measurement employed may not correspond to the standards required for a particular process or application, as well as the measuring choice and convenience.
It's crucial to convert these units in a way that makes sense and can be used effectively. Let's use the example of someone who is only familiar with the metric system to better grasp the statement.
The person finds it difficult to determine the height of a 25-foot tree. The individual will comprehend the height of the tree better if they convert 25 feet to meters.
Therefore, the conversation of 0.014 mg in grams would be by 0.014/1000 = 1.4 × 10^-5 gram.
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Which consumers are carnivores (eat meat)?
Answer:
carnivores (eat meat)
Explanation:
Does a corpse flowers smell meet the definition of an adaptations
The diagram below shows a magnified view of a cross section of a plant root tip. Four parts of the root and the process that each performs are shown. Which process is directly responsible for root growth in plants?
a. storage
b. absorption
c. transportation
d. cell division
Answer:part c transportation
Explanation:
The process directly responsible for root growth in plants is cell division. So, the correct option is D.
What is Cell division?The process by which a cell divides into two or more daughter cells is called cell division. In relation to the above question, cell division is the mechanism due to which plant roots grow.
The meristematic region, which is in charge of cell division, is designated as part D in a cross-section illustration of the root tip of a plant. The meristem of the root is a unique region where cells continuously divide and differentiate into different tissues, helping the root to expand and mature.
Many tissues of the root, including the epidermis, cortex, and vascular tissue, are composed of distinct types of cells that differentiate when they divide into specialized cell types.
So, the correct option is D.
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what causes ocean tides to reach higher up on a shore at certain of day than at others?
Answer:
Most tides are semidiurnal, which means they take place twice a day. For example, when an area covered by the ocean faces the moon, the moon's gravitational force on the water causes a high high tide. As the Earth rotates, that area moves away from the moon's influence and the tide ebbs.
Explanation:
Answer:
D. The moons gravity and Earth’s rotation
Explanation:
Which of these is an example of a PHENOTYPE?
A-an allele for yellow flower color within a flower's genome
B-yellow flower color
C-a gene that tells how big someone's nose will be
D-two identical alleles for nose size
I think this is B: Yellow Flower Color
I think phenotypes focus on the physical characteristics rather than the alleles and genes (genotypes).
JUST PICK A BODY OF WATER THAT'S ALL I ASK I CAN"T THINK OF ANY I'M PANICKING. ANY LAKE. OR RIVER. OR BAY. WHATEVER ALL YOU GOTTA DO IS PICK ONE.
Answer:
Gulf of Mexico, Lake Tahoe, Mississippi River, etc. (you can just search it up btw.)
Explanation:
Please help! 100 points! Only answer if you know :)
What are some ways that the nitrogen cycle overlaps with or influences the oxygen and carbon cycles?
Are any of these interactions between the cycles positive?
Are any negative?
What about when the nitrogen cycle is thrown off balance by the Haber-Bosch process and others like it?
How can that influence the oxygen and carbon cycles?
Are there other cycles involved that have not been mentioned in this question?
What does this discussion suggest about the nature of the Earth as one large system?
Answer:
1. Nitrification occurs when soil microbes convert ammonium into nitrate. Much of the overlap between the carbon cycle and the nitrogen cycle occurs in the soil, in processes conducted by soil microbes. Microbes break down nutrients, build new compounds for their own growth, and eventually die.
The second question im not sure sorry- the positive and negative one ;(
3. Many human activities have a significant impact on the nitrogen cycle. Burning fossil fuels, application of nitrogen-based fertilizers, and other activities can dramatically increase the amount of biologically available nitrogen in an ecosystem. As nitrogen makes up 78% of the atmosphere, there is no shortage of it – it just isn't in a form plants and animals can use.
4. Carbon makes its way through living things as carbon-based compounds, like energy molecules, fats and proteins, eventually cycling its way back into the atmosphere. Nitrogen is mainly found in the atmosphere as well and enters the ecosystems as nutrients for plants. Water, nitrogen and carbon cycles. Carbon moves from the atmosphere and back via animals and plants. Nitrogen moves from the atmosphere and back via organisms. Water moves on, above, or below the surface of the Earth.
5. Carbon cycle, Nitrogen cycle, Nutrient cycle, Oxygen cycle, Phosphorus cycle, Sulfur cycle, Rock cycle, Water cycle.
6. Wind, water, and ice erode and shape the land. Volcanic activity and earthquakes alter the landscape in a dramatic and often violent manner. And on a much longer timescale, the movement of earth's plates slowly reconfigures oceans and continents. Each one of these processes plays a role in the Arctic and Antarctica.
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. Earth's surface is the only habitat available to the human race. Understanding the processes by which that habitat has been created and continually altered is important to determine the causes of environmental degradation.
Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of
a scientific theory? Do you think it should be a scientific law? Explain your response.
Yes. Scientific laws are established statements, based on repeated experiments or observation of a particular scenario or natural events while a science theory are events or explanation of the natural world that can be repeatedly tested and verified using scientific method. That is, for it to be a Scientific Theory we must be able to test and verify it using scientific methods and for it to be a Scientific Law it must have been tested and verified repeatedly using scientific methods. Cell theory is a tested and verified experiment