BIOLOGY HIGH SCHOOL

If a physical or chemical change gives off heat energy, it isan endothermic process

a chemical process

an exothermic process

an energetic proces

Answers

Answer 1

Answer: The answer to the question stated above is the third option which is "an exothermic process".

>Exothermic is the giving off heat energy the transfer of energy to the surroundings.

>In exothermic reaction, the energy is usually transferred as heat energy

Answer 2

Answer:

The answer is exothermic.

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Which of the following are considered macromolecules? Select all that apply. (2 points) A. Nitrogen
B. Lipids ******
C. Proteins *****
D. Carbon

The ****** are my answers. Can someone please check to see if their right? Thank you.

Answers

I believe the only option should be C. Proteins. Only Carbohydrates, Proteins and Nucleic Acids are categorized as Macromolecules, not Lipids.

Which cell structure functions to store genetic information that provides instructions for a eukaryotic cell?Select one:
A. nucleus
B. cytoplasm
C. mitochondria
D. cell membrane

Answers

A. nucleus, because that is where DNA is stored.

In the new 6-kingdom system of classification, like the old 5-kingdom system, organisms are basically grouped byA) cell structure.
B) location on Earth.
C) reproductive methods.
D) unicellular versus multicellular.

Answers

The answer to the question stated above is letter A. Cell Structure.

In the new 6-kingdom system of classification, like the old 5-kingdom system, organisms are basically grouped by cell structure.

The new 6-kingdom system of classification includes the following:
Animalia, Plantae, Fungi, Protista, Archaea/Archaeabacteria, and Bacteria/Eubacteria.

Answer: A) Cell Structure

Explanation:

I took it on USA Test Prep and here’s their explanation:”Both classification systems generally group organisms into kingdoms, first by cell structure, prokaryotic versus eukaryotic. Today cell structure also includes cell biochemistry.

What happens when the spinal cord is injured A) the parts of the body using the damaged areas lose sensation
B) The effected neurons in the CNS regenerate gradually.
C) The path of impulses in the nervous system may be disrupted.
D) Both (A) and (B)

Answers

Answer:

The answer is c)The path of impulses in the nervous system may be disrupted

Explanation:

A spinal cord injury causes apoptosis of the oligodendrocytes found on damaged areas of the cord, several days or weeks later. The death of these oligodendrocytes is another serious consequence of the lesion, since these cells are what make up myelin, which is the one that envelops the axons, accelerating the direction of nerve impulses. This apoptosis causes axons that are still intact to lose myelin, which incapacitates the spinal cord to communicate with the brain.

A and B. When a person injures their spine, body movements and neurons can become affected. The CNS or central nervous system is what controls all this.

In parasitism, the organism that is helped is called the ___ while that which is harmed is called the ___ .

Answers

Answer: The correct answer for the blank is - Parasite and Host.

Parasitism is a type of biological interaction between two organisms where one organism lives on the surface or inside the body of another organism in order to complete its life cycle and obtain essential nutrients. This organism is called parasite and the other is called host, which is harmed usually by that parasite.

In parasitism, the organism that is helped is called the parasite while that which is harmed is called the host.

Describe an early monotreme mammal.