BIOLOGY HIGH SCHOOL

Which of the following best describes the velocity of an object ? A.) 30m/s
B.) 30m east
C.) 30m/s east
D.) 30m?s^2

Answers

Answer 1
Answer:

Answer:

C.) 30m/s east  

Explanation:

Velocity has a speed and a direction. 30 m/s is a speed, and east is a direction.
Answer 2
Answer:

The following best describes the velocity of an object - C.) 30m/s east.

Velocity is the speed with a direction and therefore, is a vector quantity. It includes the speed with the displacement.

  • It is the rate of speed and direction change in the position of an object.
  • Vector quantity is a measure or quantity that has magnitude and works in a particular direction.
  • velocity = distance / time
  • V = d/t direction
  • v = m/s east,
  • the meter is the unit of distance and second is the unit of time, and east is the direction

Thus, The following best describes the velocity of an object - C.) 30m/s east.

Learn more about vector quantity:

brainly.com/question/24815698

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Different environments can be affected by various types of pollution. How would bacteria and algae in a pond kill fish and other aquatic wildlife?
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Given the nucleotide sequences below, what type of mutation has occurred?Before: A C C G T A T G T C A TAfter:A C C G T A A G T C A Tdeletioninsertionsubstitutionmixer
which of the following types of mutations would be advantageous for the survival of a cancer cell? a) An inactivating mutation in an oncogene Advantageous: b) An inactivating mutation in a tumor suppressor gene c) An inactivating mutation in a gene that promotes apoptosis d) Methylation of the promoter of a tumor suppressor gene

Which of the following are the parts of neurons?A: Brain, spinal cord, and vertebral column

B: Dendrite, axon, and cell body

C: Sensory and Motor

D: Cortex, medulla, and sheath

Answers

B: Neurons have dendrites, axons, and a cell body

What enzyme connects the new nucleotides together and proofreads them

Answers

The enzyme that connects new nucleotides together during DNA replication is called DNA polymerase.

What is DNA polymerase?

DNA polymerase is responsible for synthesizing a new DNA strand by adding complementary nucleotides to the existing template strand.

It catalyzes the formation of phosphodiester bonds between the nucleotides, thereby linking them together and forming a continuous DNA molecule.

DNA polymerase also has a proofreading function known as 3' to 5' exonuclease activity. As it adds nucleotides to the growing DNA strand, it can detect and correct errors in base pairing.

If it identifies a mismatched nucleotide, it removes it through the exonuclease activity and replaces it with the correct nucleotide, ensuring high fidelity in DNA replication.

Learn more about DNA polymerase here: brainly.com/question/29482961

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DNA it is a string of dna which can be prooved anytime or you can call it DNA replication

9. Which of the following best sequences the functions of the digestive system from start to finish? A. Absorption, ingestion, digestion, elimination B. Ingestion, digestion, absorption, elimination C. Elimination, absorption, ingestion, digestion D. Ingestion, absorption, digestion, elimination

Answers

Answer:

The correct answer would be B. Ingestion, digestion, absorption, elimination.

Digestion refers to the breakdown of complex compounds into simpler elements.

The process of the digestive system can be sequenced as:

  1. Ingestion: Intake of food from outside the body. For example, in humans, food is taken in from a mouth.
  2. Digestion: The breakdown of complex compounds into simpler elements. For example, polysaccharides, polypeptides, and fats are converted into monosaccharides, amino acids, and fatty acid chains and glycerol respectively.
  3. Absorption: The digested food is absorbed and transported to all parts of the body. In humans, the small intestine is the major site of food absorption.
  4. Assimilation: The nutrients are transported or distributed to all cells of the body where they are utilized for power generation.
  5. Excretion: The undigested food is then excreted out of the body. In humans, the solid waste is excreted through the anus.
its B.
 you eat it (ingest) it goes to your stomach (digest) then to your intestines where more nutrients are extracted(absorption) then to your and out your anus (elimination) 

13yo girl 2/6, holosystolic murmur heard best over left fifth intercostal space adjacent to the sternum; it increases with inspiration. abnormality of which valves?

Answers

The answer would be tricuspid valves. The valves are usually heard at the left lower sternum that has a holosystolic murmur that is over the right ventricle. It increases during inspiration and increase volume in the right ventricle with the negative pressure.

Genetically modified foods can contain genes from different, unrelated organisms. true or false.

Answers

Answer:

True

Explanation:

Because the genetic code is universal and the DNA molecule is the same for all living organisms, an organism can be genetically modified by introducing a gene from a different organism (called a transgene).

An example of this are Bt crops. Scientists isolated from a bacteria (Bacillus thuringiensis, Bt) a gene that produces a toxic protein that kills insects. Then, they modified crops such as cotton and corn by inserting this gene, and plants that express it can resist being eaten by insects (because when insects try to eat them they die due to the toxin).
This is true, cuz this food is modified inGENETIC

If you shine a laser pointer into an ice cube, which of the following properties will cause the laser light to bend as it enters the ice cube? A. scatteringB. refraction
C. absorption
D. reflection

Answers

The correct answer is (b) Refraction

When a beam of light is passed from one medium to another medium then the beam of light bends when it passes from one medium to other, this phenomenon is called as Refraction. This change can be determined by measuring the change in the wave speed and the initial direction of wave relative to the direction of the change in speed. Example: when a beam of light is passed through a prism, when a laser light is passed through a ice cube.
B. Refraction would cause the light to bend.
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