BIOLOGY HIGH SCHOOL

Sound waves have two parts. The part of the wave where the particles of the medium are pushed together is called the _____.A) rarefaction
B) compression
C) pitch
D) amplitude

Answers

Answer 1
Answer: It is B) compression hope this help 
Answer 2
Answer:

Sound waves have two parts. The part of the wave where the particles of the medium are pushed together is called the _____.

compression

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Natural selection would favor which of the these rabbits in Antarctica? A) brown rabbit B) white rabbit C) black rabbit D) white-and-black rabbit
When the Linnaean system of classification was first developed in the early 1700s, it only had two kingdoms for living things, the plant and animal kingdoms. Three more kingdoms have been added since then, as well as a higher division of three domains. Why are we still using this system if we have to keep changing the way it is organized?
1) Energy is released when _______ is removed from pyruvate.A - Water B - Carbon dioxide C - Co-enzyme A D - None of the above 2) Which of the following is energy that has not yet been used? A - Potential B - Kinetic C - Metabolic D - All of the above
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A researcher has decided to lesion different parts of a cat’s brain and observe the effects on the cat’s behavior. After the surgery, the researcher notices that the cat is having trouble walking in a straight line. The cat also does not respond to the researcher randomly blowing a whistle like it did before the surgery. The researcher also noted that the cat’s sleep/wake cycle has changed since the surgery. What part of the brain did the researcher most likely lesion?

Answers

Answer:

reticular formation

Explanation:

  • A matrix consisting of nerve fibers as well as cell bodies of the neurons that form a greater part of the core of the brainstem is termed as the reticular formation.
  • The reticular formation extends from the medulla to the intralaminar nuclei of the thalamus.
  • The main function of the neurons of the reticular formation is to maintain consciousness and motor arousal.

In brief this region controls the following :

1. somatic motor control

2. cardiovascular control

3. sleep

4. consciousness

5. habituation

6. pain modulation

Since the cat is having problems with the sleep-wake cycle, does not respond to the researcher, there is a change in behavior and inability to walk on straight line. This points out to damage in the reticular formation.

To maintain order within their cells and organs, all living things musta. constantly change.
b. be able to move.
c. reproduce.
d. carry on metabolism.
e. extract energy from sunlight

Answers

The answer is d. carry on metabolism.

Metabolism includes all chemical reactions involved in maintaining order within cells and organs. The purpose of metabolism is a conversion of food or fuel to building blocks for macromolecules and to energy for cellular processes. It is involved in the elimination of waste, too. Regulation of metabolism is important for normal functioning of cells and organs.

Producers, consumers and decomposers all play roles in recycling carbon and oxygen True or false

Answers

True. producers, consumers, and decomposers all play rolls in recycling carbon and oxygen

Palo Verde Tree a Witness for the Prosecution!That could be the headline in a recent murder investigation. Detectives recently discovered pods from a Palo Verde tree in the truck of a suspect in an on-going murder investigation. Detectives on the scene of the crime also found similar trees with pods at the crime scene.
How did detectives nab the suspect based on the pod evidence?
A) Detectives knew that Palo Verde trees grew in a limited area of the state.
B) Detectives used DNA markers to match the pods from the truck to pods on the scene.
C) Detectives constructed a pedigree chart of the trees in the area to determine genotypes.
D) Detectives did test crosses in the lab to determine the relationship of the pods and trees

Answers

Detectives used DNA markers to match the pods from the truck to pods on the scene to nab the suspect in an ongoing murder investigation. Hence, the correct option is B.

What are DNA markers?

DNA markers are the variations that can be used to identify and track specific genes or regions of the genome. DNA markers are used in a variety of applications including medical, genetics, forensic science and agriculture.

There are several types of DNA markers such as SNP, AFLP, microsatellites, RFLP. In forensic science, they are used to identifying individuals by analyzing the DNA samples that are collected from the scene of crime.

In the case given here, by using DNA markers, the forensic experts helped the detectives to match the pods from the truck to the pods on the scene. Hence, the correct option is B.

For more details regarding DNA markers, visit:

brainly.com/question/16254303

#SPJ6

B) Detectives used DNA markers to match the pods from the truck to pods on the scene.

In the 1950s, what discovery revolutionized biotechnology?cloning sheep
using electrons for microscopes
splicing genes
molecular structure of DNA

Answers

it was molecular structure of DNA this was appeared 1n April 1953 Watson and Crick presented the structure of DNA- Helix.it carried the genetic information. the DNA Molecule shaped in twisted ladder.franklin produced an X- ray photograph. DNA structure is made of molecules called nucleotide. Watson and crick also work on 3-D structure of DNA. this mark the history in molecular biology to understanding the genes control and genetic information.they also work on cell.they use stick and ball to understand to test their idea.

What is the difference between facilitated diffusion and active transport?Facilitated diffusion uses ATP and moves substances with the concentration gradient; active transport does not.


Active transport uses ATP and moves substances against the concentration gradient; facilitated diffusion does not.


Active transport uses ATP and does not require a carrier protein; facilitated diffusion does neither.


Facilitated diffusion uses ATP and requires a carrier protein; active transport does not.

Answers

Answer:

Active transport uses ATP and moves substances against the concentration gradient; facilitated diffusion does not.

Explanation:

Active transports moves against the concentration gradient (hence why it needs energy or ATP to do so, its going "against the grain"). Facilitated diffusion does not require ATP but does something require carrier proteins during passive transport.
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