BIOLOGY HIGH SCHOOL

1. What are the functions of the following organelles?A. Lysosomes

B. Cell Membrane

C. Mitochondria

D. Ribosomes

E. Chloroplasts

F. Nucleus

G. Vacuole

H. Golgi apparatus

Answers

Answer 1
Answer: A) Lysosomes: 
The function of the lysosome is to break down old cells and get rid of virus’ and bacteria.
B) Cell Membrane:
To let molecules in and out.
C) Mitochondria:
The function of the Mitochondria is to produce energy. (It is the powerhouse of the cell)
D) Ribosomes: 
Ribosomes make proteins.
E) Chloroplasts:
The Chloroplast is where photosynthesis takes place.
F) Nucleus:
The nucleus is the control center.
G) Vacuole:
The vacuole holds the materials and waste.
H) Golgi Apparatus:
Modifying, sorting, and packing of proteins for secretion.

Hope this helps you! (:
-PsychoChicken4040

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What did other investigators find based off Stanley Miller's 1953 primordial soup experiment? A. That nitrogen gases, hydrogen gas, methane, and ammonia were formed in the waters of the past. B. That water turned into various types of gases found in the earth's early atmosphere. C. That amino acids, fats, and nucleic acids might have formed in the waters of the past. D. That water turned into amino acids and fat, but nucleic acids were caused by lightning

Which of the following best supports the statement that mitochondria are descendants of endosymbiotic bacteria-like cells?Mitochondria fossils are older than the oldest fossilized eukaryote.
Mitochondria can survive indefinitely when removed from a eukaryotic cell.
Mitochondria have their own set of DNA molecules.
Mitochondria can produce ATP molecules.

Answers

Mitochondria are descendants of endosymbiotic bacteria-like cells because D. Mitochondria can produce ATP molecules.

  • Mitochondria simply refer to the membrane-bound cell organelles that generate chemical energy that is used in the biochemical reactions of cells.

  • The theory of endosymbiosis simply explains that chloroplasts and mitochondria are descendants of ancient bacteria-like organisms.

  • It should also be noted that the chemical energy that is being produced by the mitochondria is stored in adenosine triphosphate (ATP) which is a small molecule where the chemical energy is stored.

In conclusion, the mitochondria perform most of the cellular oxidations that occur in animals. It's also useful in producing most of the ATP that can be found in cells.

Read related link on:

brainly.com/question/10362080
I believe the statement would be that Mitochondria have their own set of DNA Molecules. This might promote the explanation that mitochondria are descendants of endosymbiotic bacteria like cells.

New cells are produced within the uterus as a direct result of

Answers

The best answer to the question above would be mitotic cell division. New cells are produced within the uterus as a direct result of mitotic cell division. Mitosis and cytokinesis are together to define the mitotic cell division of the mother cell split into two daughter cells.

Answer:

New cells produced within uterus (or any other organ) as a direct result of mitotic cell division.

Mitosis is the type of cell division which results in the formation of two daughter cells with same number of chromosomes as that of parent cell. It plays an important role in growth and repair of cells and tissues in multi-cellular organisms such as human beings.

For example, mitotic division helps in formation and repair of uterus lining lost during menstrual phase. Similarly, it keeps replacing the dead skin cells lost from our body surface on regular basis.

Meiotic division on other hand is used only in the formation of haploid gametes i.e. sperm in males and egg in females.

Amoebic dysentery is caused by which of the following?a. fungi
b. viruses
c. protists
d. bacteria

Answers

Answer: The correct answer is- C) Protists.

Dysentery is an inflammatory disease of the intestine, especially of the colon region ( a part of large intestine) that causes extensive pain in the abdomen and severe diarrhea. Apart from this, it also includes symptoms such as fever and an incomplete defecation feeling.

Amoebic dysentery is also known as amoebiasis and caused by Entamoeba histolytica, which is a protist.
Amoebic dysentery (amoebiasis) is an infection of the intestine (gut)caused by an amoeba called Entamoeba histolytica that, among other things, can cause severe diarrhoea with blood. But it may cause milder chronic symptoms of: frequent loose stools. abdominal pain.

Compare and contrast the traits and growth patterns of opportunistic versus equilibrium populations. Provide one example of each.

Answers

In an opportunistic population, growth pattern is exponential.The populations are regulated by density-independent factors. Organisms produce plenty of gametes because the chance for fertilization is very low. The examples of the opportunistic population are insects, corals, oysters, etc.

In an equilibrium population, growth pattern is logical. The populations remain near carrying capacity. Organisms have much fewer offspring and take care of them. The examples of the equilibrium population are birds, mammals, and some fish.

Plants exhibit phototropism because _____.long roots help plants absorb more water and nutrients
they need the Sun's energy in order to produce food
water is essential to a plant's growth
strong stems are more wind resistant

Answers

The answer is they need the Sun's energy in order to produce food

Phototropism is plant growth in a response to light. In order to survive, plants need Sun's energy. During photosynthesis, carbon dioxide and water are converted into glucose and oxygen using the energy of sunlight. To get more light, plants usually grow in the direction of light, so more light could be absorbed and used in photosynthesis. Phototropism enables plants to absorb more light and that way use Sun's energy to produce food.

How do nucleotides provide nucleic acids with specific codes?

Answers

Answer:

The correct answer will be the arrangement and sequence of nitrogenous bases in DNA.

Explanation:

DNA molecule is a large bio-molecule made up of monomer unit called nucleotides. Each nucleotide is made up of a 5C sugar (deoxyribose and ribose), a phosphate group and four nitrogenous bases (adenine, cytosine, guanine, thymine and uracil in RNA).

These nitrogenous bases are bonded to another base on the complementary strand via hydrogen bond and it is the sequence of the arrangement of these bases in the DNA which provides the nucleic acids with its coding behaviour.

These nitrogenous bases are read by the ribosome during the process of translation in triplets which are made of bases and are known as "codons" and codes for the specific amino acids in a polypeptide.

Thus, arrangement and sequence of nitrogenous bases in DNA is the correct answer.
nucleotides have specific sequences. When these codes/orders of nucleotides are translated, they code for amino acids, which in turn correspond to specific proteins being made. These proteins are responsible for carrying out various bodily functions.
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