Answer:
False
Explanation:
Farming practices disturb the ground. Farmers remove native vegetation and then plow the land to plant new seeds. Tractor tires make deep grooves, which are natural pathways for water. Fine soil is blown away by wind.
Answer:
False.
Explanation:
Agriculture is perhaps the foremost vital activity that accelerates erosion due to the quantity of land that's farmed and the way abundant farming practices disturb the ground.
Human gametes should contain chromosomes each. This number would be considered the
(haploid/diploid) number for humans. The symbol for this is
Answer:
Human gametes should contain 23 chromosomes each. This number would be considered the haploid number for humans. The symbol for this is n.
Explanation:
Gametes are an organism's reproductive cells. Female gametes are called egg cells, and male gametes are called sperm.
In most organisms, somatic cells (all cells except for gametes) are diploid, whereas the gametes tend to be haploid. Haploid cells have a single set of chromosomes, while diploid cells have two sets of chromosomes.
When it comes to human cells, somatic cells have 46 chromosomes. This means that each gamete has 23 chromosomes. This is called the haploid number and is marked by a lowercase n. This number refers to the total number of chromosomes found in a gamete (for human cells n=23).
How does physics relate to the solar system
a. What are the positive effects of Austin's growth on the human population of the city?
Answer- AN INCREASE IN JOB OPPORTUNITIES WILL OPEN UP AS THE POPULATION GROWTH INCREASES IN THE CITY OF AUSTIN. ALSO, THE POPULATON OF AUSTIN WILL BE ABLE TO EXPAND.
A fir tree draws fixed nitrogen from the ground and send it to new needles. During this
interaction, the xylem works in conjunction with which system? *
Answer:
Root System
Explanation:
I went to middle school...
A fir tree draws fixed nitrogen from the ground and send it to new needles. During this interaction, the xylem works in conjunction with root system.
What are the functions of root system?A fibrous root system forms a dense network of roots that is closer to the soil surface. An example of a tap root system is a carrot. Grasses such as wheat, rice, and corn are examples of fibrous root systems.
The roots of the plants are found underground, and their important functions are water and nutrient absorption. Root systems are classified into 3 they are: Tap Root systems, Fibrous Root systems, and Adventitious Root systems.
Its primary functions are anchorage of the plant, absorption of water and dissolved minerals and conduction of these to the stem, and storage of reserve foods.
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Water molecules have select answer a lesser a greater an equal attraction for sodium and chloride ions than sodium and chloride ions have to each other.
Answer:
A greater attraction
Explanation:
Water molecules have A GREATER ATTRACTION for sodium and chloride ions than sodium and chloride ions have to each other.
This is because when salt is added to water, it dissolves, which depicts the level of the covalent bond of water is stronger by separating the ionic bond between sodium and chloride, otherwise, the salt would not have been able to dissolve.
There are usually ethical concerns when the topic of biotechnology is
discussed. The use of Henrietta Lacks cancerous cells from her cervix is one of
the first cases of what is and what is not ethical when it comes to using human
tissue for research.
What was the greatest ethical concern in regards to the researchers obtaining
and using Hela cells for research?
Please help meeeeeeeee
Which of the following describes a structure that both prokaryotic and eukaryotic cells have in common?
A) This membrane-bound organelle encloses the cell's DNA and is where DNA replication occurs.
B) This organelle is composed of protein and RNA and is used to make proteins for the cell.
C) This organelle is composed of a stack of membrane sacs where proteins are modified and stored.
D) This organelle extracts energy stored in glucose molecules to power cell functions.
Answer:
b
Explanation:
its a ribosome. they both have ribosomes made of DNA and protein that make proteins
I am certain the answer is B, This organelle is composed of protein and RNA and is used to make proteins for the cell.
Hope this helps! :D
A student uses paper towels to clean up a small chemical spill in the lab where should the dirty paper towels be placed
Answer:
In the hazardous bin :) plz rate brainliest
Explanation:Hope this helps ya
Answer:
Hazardous bin. I did this question but forgot the answer, sorry. but I remember IT WAS NOT TRASH CAN!
Explanation:
what is a recessive trait
Answer:
A recessive trait is the unexpressed trait of a dichotomous pair of alleles. Also known as the "baby" letter.For which reasons would a male peacock spread his tail feathers? Check all that apply.
1) to cool off his body
2) to attract a peahen
3) to show that he is healthy
4) to protect his peachicks
5) to intimidate rival males
6) to run from a predator
Answer:
it would be 2 and 5
Explanation:
When the male peacock spreads his tail feathers to create a spectacular fan of blue and green, the illusion of large penetrating eyes are displayed. Not only do these eyes attract mates, but they also scare away potential predators, like snakes or large wild cats.
Answer:
2 3 5
Explanation:
How might the body treat viruses?
Explanation:
For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.
A DNA sample contains 26% thymine. What percent of the sample is:
% guanine
% adenine
% cytosine
Answer:
adenine = 26%
guanine= 24%
cytosine=24%
Explanation:
adenine=thymine
then 100 - (adenine+ thymine)= cytosine+guanine
The ________, or variety, of life is amazing.
- What is the ultimate process that moves the tectonic plates?
A. Gravitational Forces
B. Convection
C. Solar Winds
D. Unknown - Still Investigating
Answer:
I would say B - Convection
Explanation:
it is volcanos and earthquakes that move the tectonic plates... but those act like convection currents...
-Solar Winds come from the Sun and they are reflected off of Earth's magnetic shield so that can't be correct.
-Gravitation does play a role yes but I can not say that it actually causes it... (Gravity holds everything in orbit and also together... and it helps keep things on Earths surface -it is the reason why we can still breath-)
-Unknown - Still Investigating, The reason why the tectonic plates move "was" discovered... or at least it is believed to have been. But I do not doubt that they are still studying it... because they probably are still investigating
-The convection currents move the plates. Where convection currents diverge near the Earth's crust, plates move apart. Where convection currents converge, plates move towards each other.
I have a nice day and I hope it helps!
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Justin is walking around an area that has few trees and many tall grasses.
In which biome is Justin most likely walking?
Answer:
grassland makes the most sense to me, but im not too sure
Answer:
Grasslands.
Explanation:
Male turkeys are birds that naturally strut and display their large tail feathers, which attracts female turkeys. This display is an example of(1) Selected breeding
Answer:
Behavioural adaptation
Explanation:
Behavioural adaptation is the actions of organisms that enable their survival in their environment. This behaviour varies with individual species and their environment. Examples
Bears stays in place in winter to escape from the cold temperatures and preserve energy.
Penguins huddles or stays together to prevent heat loss and main a warm environment during cold.
The ability of the male turkey to strut is what attracts the female turkeys to them an ensure continuity through Reproduction via mating.
Which sentence best describes the relationship between genes and chromosomes?
A. Genes are found within chromosomes.
B. Several chromosomes make up one gene.
C. Genes are located inside the nucleus, and chromosomes are located outside the nucleus .
D. Chromosomes are located inside the nucleus and genes are located outside the nucleus
maceus
Answer:
A. Genes are found within chromosomes.
Explanation:
A chromosome is a single linear, coiled DNA molecule that contains part or even all the genetic material of an individual. On the other hand, genes are chromosomal segments that contain the instructions required to encode a specific protein, which is stored in the form of a sequence of nucleotides. In consequence, a chromosome may have many genes. In biology, a gene is considered to be the basic physical and functional unit of heredity.
I am a producer, using my scientific name you would call me an
Answer:
An autotroph
Explanation:
An autotroph is a producer that makes their own food/energy
what is the basic unit of classification of living beings
Answer:
cells
Explanation:
the cell is the smallest unit ofa living thing andis the basic building block of all living things p.sim only 12 so sorry if this wrong
A group of engineers have launched a space probe from Earth that will land on the surface of Mars. How will the force of gravity from Mars affect the space probe?
The north pole and the magnetic pole are what? a-located at the same point b-located near each other c-two different names for the same thing
Answer:
b, located near each other
which cell parts are responsible for moving proteins?
The habitat of a rattlesnake is the hot, dry desert. Could this organism live in the
cold, Artic habitat? *
Answer:
No, a rattlesnake would not be able to survive in the Arctic. This reptile is specially equipped with features suited to a hot desert, which would be a hinderance in a cold desert rather than an advantage. Also cold-blooded organisms must be able to bask in the sun to maintain a stable body temperature, but in the Arctic, that wouldn't be possible.
What might be some advantages and disadvantages of using
viruses in genetic engineering to treat human diseases?
Answer: brainliest pls
Explanation:
The Adenovirus, Adeno-Associated Virus, and the Retrovirus are the most commonly used vectors in gene therapy clinical trials. Results: Disadvantages to using the Adenovirus as the vector in gene therapy include non- integration, immunogenicity, replication competence, no targeting, and small insert size.
Benefits and advantages of using the Adeno-Associated Virus as the vector in gene therapy trials include integration into host genome, no viral genes, able to transduce cells not actively dividing, wide range of host cells, and they are non-inflammatory and non-pathogenic.
Which statement best describes a difference between saturated fats and unsaturated fats?
A. Unsaturated fats tend to have higher melting points because they have only single carbon-carbon bonds, which allow the molecules to be straight.
B. Unsaturated fats tend to have lower melting points because they have at least one carbon-carbon double bond, which causes the molecule to bend.
C. Unsaturated fats tend to have lower melting points because they have only single carbon-carbon bonds, which allow the molecules to bend.
D. Unsaturated fats tend to have higher melting points because they have at least one carbon-carbon double bond, which causes the molecule to be straight.
Answer:
B.
Explanation:
Unsaturated fats are fats that have one or more carbon-carbon double bond in their chain. The double bond causes the molecule to bend. The molecules do not stack well, which causes the intermolecular forces to be much weaker than those of saturated fats. This causes the melting points to be lower for unsaturated fats.
Hope that helps.
The statement that differentiates unsaturated and saturated fats is "Unsaturated fats tend to have lower melting points because they have at least one carbon-carbon double bond, which causes the molecule to bend".
WHAT IS SATURATED AND UNSATURATED FATS?
Saturated fats are a type of fats that lack carbon to carbon double bonds in their structure, however, in unsaturated fatty acids, there is at least one double bond in the chain. Due to the double bonds possessed by unsaturated fats, their molecules tend to bend structurally. Unsaturated fats are mostly liquids at room temperature, as opposed to saturated fats which are solids. Hence, unsaturated fats will possess a low melting point compared to saturated fats.Therefore, Unsaturated fats tend to have lower melting points because they have at least one carbon-carbon double bond, which causes the molecule to bend.
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Which option explains why genes are sections of chromosomes, but chromosomes are not made up of genes?
a. Genes are partly in chromosomes and partly in proteins.Genes are partly in chromosomes and partly in proteins. , ,
b. Each chromosome is its own, single gene.Each chromosome is its own, single gene.
c. Genes are partly in chromosomes and partly in DNA.Genes are partly in chromosomes and partly in DNA.
d. There are sections of chromosomes that are not genes.There are sections of chromosomes that are not genes. , ,
Answer:
A chromosome is made of a very long strand of DNA and contains many genes (hundreds to thousands). ... The genes on each chromosome are arranged in a particular sequence, and each gene has a particular location on the chromosome (called its locus).
Explanation:
26- if a man with typo BO blood has a child woth a woman that has type AB blood, what is the percent probability that their child will have type AB blood?
A) 25%
B) 50%
C) 75%
D) 100%
A) 25%. Since the man is BO and the woman is AB, you multiply it and get AB,BB,AO, and BO. Then you divide 100% with those four and you'll get the answer of 25%.
What are some similarities and differences between a pig and a frog?
Answer:
read below
Explanation:
similarities:
they breathe
they move
they eat
differences:
pigs don't go in water but frogs do
frogs eat flies but pigs eat mud
Which type of agricultural trend characterized the Green Revolution?
A Farmers stopped using industrialized farming techniques and began using
sustainable agriculture.
B. Farmers stopped growing traditional varieties and began growing genetically
modified crops
Farmers stopped growing traditional varieties and began growing high-yield
varieties
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D. Farmers stopped using pesticides and began using organic farming
practices
Answer:
Farmers stopped growing traditional varieties and began growing high-yield
varieties
Explanation:
Answer:
c
Explanation:
