Answer:
can't answer that if we don't have context
Specialized cells that communicate with each other through electrical and chemical signals are called:
Answer:
neurons
Explanation:
Design a solution to the Zebra Mussel invasion. What steps may be taken to reduce the negative impact of Zebra Mussels in the rivers and lakes in North America? Your response should include a logical way to reduce the number of Zebra Mussels. You should include 2-3 steps regarding how your method will work.
Answer: See explanation
Explanation: Zebra mussels are creatures that latch on to boats and inhabit areas that they are supposed to be in. To reduce the influx of Zebra mussels you can
1. Always check the bottom of your boat before coming back from a different area.
2. If you see zebra mussels you can use high pressure hot water to get them off.
3. Mark the area zebra mussels are located so you can warn others to look under their boats when they are coming back from that area.
Hope this helps!
The erythrocytes main function is which of the following?
Kill invaders/pathogens
Keep the oxygen supply flowing
Close open wounds by clotting
Answer:
The 2nd option. "Keep the oxygen supply flowing"
Erythrocytes carry oxygen to tissues which turns into energy. It also carry carbon dioxide away from the cells.
a movement away from the midline of the body is termed
Answer:
A movement of a body part away from the midline, either of the body as a whole or that of the hand or foot, is termed abduction (L., to carry away). A movement of the body part back toward the midline (i.e., to the anatomical position) is known as adduction.
Explanation:
Mark me brainly please.
Abduction is a movement away from the body's midline. Abduction is the term for a bodily part's lateral movement away from the body's midline.
Thus, body parts are divided or spread apart in this process. Abduction of the arms, for instance, occurs when you raise your arms from a resting posture and spread them out to the sides. Similar to this, you are practicing leg abduction when you stretch your legs apart.
Adduction, or the movement in the direction of the midline, is the reverse of this action. Important terminology like abduction and adduction are used to describe movement in respect to the body's midline in anatomical and physiological descriptions.
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Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?
They can self-pollinate.
They lack nucleic acids.
They are very different from humans.
They reproduce quickly and take up little space.
Fruitflies are advantageous in the study of human genes and inheritance because they reproduce quickly and take up little space.
Advantages of using Fruitflies in the study of human geneticsFruitflies are usually a subject for the study of human genes and inheritance for some reasons:
They have a simple genetic structureThey reproduce quicklyThey are quite small and hence take up very little spaceThe quick rate of reproduction makes fruitflies good subjects for studying mutation as well.
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They reproduce quickly and take up little space.
What is inheritance?Fruit flies (Drosophila melanogaster) are advantageous in the study of human inheritance because they have several characteristics that make them well-suited for genetic research. One key advantage is their rapid reproductive cycle, with a generation time of about two weeks. This allows researchers to observe multiple generations in a short period, accelerating the study of inheritance patterns and genetic traits.
Additionally, fruit flies have a relatively small size, making it feasible to maintain large populations in a laboratory setting without requiring excessive space or resources. This allows for efficient experimental design and the ability to conduct large-scale genetic studies.
While fruit flies share some genetic similarities with humans, they are not identical to humans. However, their genetic and developmental processes have enough similarities to provide valuable insights into fundamental principles of inheritance and gene function, which can inform our understanding of human genetics.
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NEED URGENT HELP!
A. What are three things that can create microclimates?
B. What characteristics of these things help create a microclimate?
Topography (height), large bodies of water and urban areas can create microclimates
in a hot place, if theres a mountain there, the top of the mountain can be cold
cement in an urban area can absorb a lot of heat during the day and then release it at night
valleys can have cold air
Help meeeeeeeeeeeeee
Answer:
1)sunlight and co2
2)oxygen and ?
Explanation:
What type of solution causes a cell to shrink in size?
O Isotonic
O Homeotonic
O Hypertonic
O Hypotonic
more science for you guys to help me with lolz
Answer:
Hi. Good evening.
Explanation:
The part labelled A is the cell membrane and the correct option to choose is the first one.
It serves as a passage to remove metabolic wastes in both cell X and cell Y.
Hope I'm right. Please remember brainliest.
According to the dihybrid cross below, what proportion of peas would
be green and smooth?
A) 9/16
B) 1/4
C) 3/8
D) 1/16
Answer: is A. 9/16
Explanation:
In creating recombinant DNA, some restriction enzymes produce ______ ends in both the source DNA and plasmid DNA, and these ends can stick to each other by ______.
Answer: Single-stranded; complementary base pairing
Explanation:
Restriction enzymes are essential components of recombinant DNA technology because they can be extracted from bacterial cells and utilized in the lab to modify DNA fragments, including those that contain genes (genetic engineering).
What recombinant DNA produce by restriction enzymes?An isolated bacterial protein called a restriction enzyme breaks DNA at specific sequence-specific locations to produce DNA fragments with a known sequence at each end.
For several laboratory techniques, such as genetic engineering and recombinant DNA technologies, restriction enzymes are essential.
Therefore, In creating recombinant DNA, some restriction enzymes produce Single-stranded ends in both the source DNA and plasmid DNA, and these ends can stick to each other by complementary base pairing.
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A sieve is a container with a mesh or perforated bottom. What is the most common use for a sieve? A. to steam cook chemicals in the lab B. to store liquid substances C. to allow gases to escape from reactions D. to filter larger particles out of a mixture
Answer: D
Explanation: Sieves are used to separate the solid smaller particles from a mixture. They are usually made of metal or fine plastic mesh, with openings between the wires that are sized according to the sizes of the desired particles in the mixture. Dried foods such as beans and rice are separated by using screens with openings of different sizes, small for whole grains, larger for cracked grains. Other kinds of products which require separation may be filtered through sieves, including sugar mixtures before they are packed or bottled.
Through the activated channels, ____________ now flows outwards causing the membrane to repolarize back towards RMP.
Answer:
potassium
Explanation:
One way scientists can analyze and interpret data to identify potential environmental factors is by (1 point)
studying how genes are organized in DNA of one organism.
analyzing the distribution or variation in traits across a population.
determining how traits are expressed in an organism.
confirming that a trait is always expressed in an organism.
Answer:
I think its analyzing the distribution or variation in traits across a population.
Explanation:
Environmental factors include factors in the surroundings that can have impact on humans. This include climate, temperature, population density, pollutants etc.
A way that scientist can analyze and interpret data to identify the potential environmental factors is by analyzing the distribution or variation in traits across a population.
Across a population, environmental factors might play a role with regards to any of the factors including distribution by allowing for variations to occur in these traits.These variations can then be studied and analyzed. The other options are determined by genetic factors.Learn more: https://brainly.com/question/3238334
Is scientific law a proven concept? Explain why or why not.
where are your adrenal glands located in your body
When does renal genesis usually develop?
*it's b. despite the test having a typo
Answer:
b. In the womb, when the fetus is about 5-12 weeks old
Explanation:is correct. post protected
19. Engineer It In some rivers and lakes, dams
are constructed to harvest energy by converting the
kinetic energy of moving water into electrical energy.
Water from behind the dam flows through a turbine
that transforms kinetic energy into mechanical
energy. The turbine turns a generator that converts
mechanical energy into electrical energy.
The water from behind the dam could flow to the
turbine either through an opening near the middle or
top of the dam or by flowing over the top of the dam.
Which type of water flow would be the best design for
sending a consistent flow of water past the turbines?
Explain your reasoning.
Answer:
A hydroelectric dam converts the potential energy stored in a water reservoir behind a dam to mechanical energy—mechanical energy is also known as kinetic energy. As the water flows down through the dam its kinetic energy is used to turn a turbine.
Explanation:
What is photosynthesis?
Answer:
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
the male reproductive system and the urinary system share which organ?
FIRST ONE TO ANSWER GETS BRAINLEST ANSWER How does the skull's structure help it perform its function?
a. The skull has marrow in it which produces blood cells
b. The skull has sharp teeth which are used in eating
c. The skull is hard which protects the brain from being injured
d. The skull is flexible which allows the brain to grow
Answer:
c. The skull is hard which protects the brain from being injured
Explanation:
Answer:
The one that makes sense is C.) "The skull is hard which protects the brain from being injured." here's why:
Explanation:
The skull performs vital functions. Mainly, it supports and protects the head's soft tissues. The baby's skull is soft but as the bones developed, the bones of the skull form a tough, fibrous membrane and slowly fuse to form a single skull. The mandible is the only bone that separates from other parts of the skull. The skull or known as the cranium in the medical world is a bone structure of the head. It supports and protects the face and the brain. The adult skull has a total of 22 individual bones. They don’t move and united into a single unit. The skull performs vital functions. Mainly, it supports and protects the head’s soft tissues. The baby's skull is soft but as the bones developed, the bones of the skull form a tough, fibrous membrane and slowly fuse to form a single skull. The mandible is the only bone that separates from other parts of the skull. So, as our cranium grow it gets tough enough to protect the brain from injury!
hopefully I helped! have a great day!
The most extreme state of __________________ is a life-threatening condition called thyroid storm, in which enormously excessive quantities of thyroid hormones are released into the bloodstream.
Answer:
thyrotoxicosis
Explanation:
state one reason why the movement of molecules in method C represents active transport.
Answer:
Because molecules are moving from an area of low concentration to an area of higher concentration and thats require energy
Explain why diseases result in symtoms
i cant understand this huh
Answer:
Ciliated epithelium
When the columnar or cuboidal cells bear cilia on their free surface they are called ciliated epithelium. Their function is to move particles or mucus in a specific direction over the epithelium organs like bronchioles and fallopian tubules.
In chemiosmosis, the most direct source of energy used to convert ADP Pi to ATP is energy released ________.
what is the genotype of a ""normal"" male with no hemophilia a?
Answer: XHY
Explanation:
The hemophilia disease will be present in the progeny if they solely carry the Xh allele/alleles and lack the XH gene, the genotype of man is XhY.
What is hemophilia?Haemophilia was once thought of as an example of Mendelian inheritance since the disease phenotype is caused by a mutation in just one gene (F8 or F9).
But research has shown that the illness has strong genetic and phenotypic heterogeneities. The gene for either the factor VIII protein or the factor IX protein has a mutation (different from normal) in hemophilia patients.
The mutation makes the body manufacture insufficient amounts of factor VIII or factor IX.
Therefore, A normal phenotype will result from having one XH allele because this condition is recessive, the genotype of a man is XhY.
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Part 3
What type of front is front 1? What types of weather conditions take place there?
U
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Answer:
Front 1 is a cold front.
Explanation:
At a cold front, cold air moves in, causing a drop in temperature.
mot nucleoxom co cau truc gom
Can somebody please help me on this I just got this brainly app and I really want to give more points if you help me But this is as much as I have (BTW THIS IS SCIENCE)
Answer:
the answer would be (c)
Explanation:
hope this helps