BIOLOGY HIGH SCHOOL

The human body contains many different types of glands; glands that secrete digestive enzymes, mucus, and sweat. These secretions are modified, sorted, and packaged for later release from gland cells.What cellular organelle is responsible for modifying, sorting, and packaging proteins and lipids?
A) ribosomes
B) Golgi bodies
C) mitochondria
D) endoplasmic reticulum

Answers

Answer 1
Answer:

Answer:

The correct answer would be B) Golgi bodies

Golgi body is a cell organelle made up of vesicles and folded membranes.

It is mainly associated with the storage, modification, and packaging of macromolecules such as proteins and fats.

Macromolecules with the help of vesicles are transported from the endoplasmic reticulum to cis-Golgi bodies.  

They are then modified in the folded membranes of the Golgi.

Post-modification they are transported to the different parts of the cell with the help of vesicles.
Answer 2
Answer: Golgi bodies are responsible for modifying, sorting and packaging proteins and lipids.

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The Punnett square above shows a cross between two sweet pea plants in Mendel's greenhouse. Both parents have purple flowers (Pp). Which statement describes the offspring expected from this cross?A) 50% white-flowered and 50% purple-flowered B) 75% white-flowered and 25% purple-flowered C) 75% purple-flowered and 25% white-flowered D) 100% purple-flowered and 0% white-flowered

Between five and ten different types of cells are in the human body.

Answers

If this division is based on tissue formation then it is correct because there are 8 types of cells. If it's based on the function then it's incorrect because there are more than 10.

Ralph's wants to breed two of his prize bulldogs. For the dominant alleles, he has selected small ears (E) and a curly tail (T). Linus, the male bullbog, is homozygous dominant for both traits. Lucy, the female, is heterozygous dominant for both traits. A. What are Linus's and Lucy's genotypes?
B. What percent of their pups will have small ears and curly tails?
C. What percent will have large ears (e) and straight tails (t)?

Answers

Answer:

a) Linus's  genotypes - EETT

Lucy's genotypes- EeTt

b) 100 percent of their pups will have small ears and curly tails

c) 0 percent of their pups will have large ears (e) and straight tails (t)
Okay, so we have one homozygous, the prefix "homo" means "same" and we know that the male's genotype is dominate, so with the prefix "same" or "homo" we know the male's genotype must be EE, and TT. We also know that the female's genotype is heterozygous, and knowing that "hetero" means opposite, we know that she has the two opposite types of genes Ee and Tt 

i hope this helps

When a recessive trait is on the X chromosome: Answer males will never express it females will always express it males can express it more often than females will it will only be expressed in 1/4 of the offspring *males can express it more often than females will

Answers

The answer is females will always express it. Since, the females have only X chromosomes,they would always express this trait. Males have both x and Y chromosomes. this means that the males could still express if but, it wouldn't be as often as the females.

1. The endoplasmic reticulum and Golgi apparatus are both membrane-bound organelles found in eukaryotic cells. Which statement describes one way in which the endoplasmic reticulum and Golgi apparatus work together?a) The Golgi apparatus assembles proteins, and the endoplasmic reticulum modifies and packages them.
b) The endoplasmic reticulum assembles mRNA molecules, and the Golgi apparatus translates them into proteins.
c) The Golgi apparatus assembles mRNA molecules, and the endoplasmic reticulum translates them into proteins.
d) The endoplasmic reticulum assembles


2. The mitochondria in eukaryotic cells is most similar in function to which of the following?
a) military base
b) power plant
c) factory
d) drawbridge

3. A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells. They created the table shown above. The students made a mistake in creating their table. Which statement best describes their mistake? (Points : 2)
a) Prokaryotic cells possess cytoplasm, while eukaryotic cells do not.
b) Both prokaryotic cells and eukaryotic cells possess a nucleus.
c) Both prokaryotic cells and eukaryotic cells are enclosed by a plasma membrane.
d) Eukaryotic cells possess ribosomes, while prokaryotic cells do not.

Answers

1. Answer;

The ER assembles proteins, and the golgi body modifies and packages them.

Explanation;

  • Ribosomes, the endoplasmic reticulum and the Golgi apparatus are related to each other through their involvement in protein synthesis and transport.
  • When a protein is made in the ER, something called a transition vesicle is made which them moves to the Golgi apparatus.
  • The Golgi apparatus then packages, transports,  distributes, or stores the contents of the vesicle. After the Golgi apparatus does its work on the contents of the vesicle, a secretory vesicles is created and pinched off into the cytoplasm.

2. Answer

Power plant

Explanation;

  • Mitochondria are organelles present in eukaryotic cells, whose roles is to generate energy in the form of ATP through the process of cellular respiration. This energy is in turn used by the cell to drive its activities such as transport and cell division.
  • Mitochondria are called the "power plants" of the cell because they are the site of cellular respiration. During the process of cellular respiration energy from organic compounds such as glucose is used to form ATP, which is the cell's energy source for various cellular activities. This is why mitochondria is referred to as a powerhouse of the cell.

3. Answer;

b) Both prokaryotic cells and eukaryotic cells possess a nucleus.

Explanation;

  • Prokaryotic cells are simple cells as compared to eukaryotes, they lack a nucleus, while eukaryotic cells have a nucleus. They also lack cellular organelles such as lysosomes, mitochondria, etc while eukaryotic cells posses them.
  • However, prokaryotic cells and eukaryotic cells share two basic features: a plasma membrane or cell membrane, and cytoplasm.  Plasma membrane separates the cell and the outer environment. Cytoplasm is a gel-like material encolsed by the plasma membrane and composes the volume of a cell.

Final answer:

The endoplasmic reticulum and Golgi apparatus work together in protein synthesis and modification, mitochondria function like a cell's power plant, and eukaryotic cells - unlike prokaryotic cells - possess a nucleus.

Explanation:

1. The correct description of one way in which the endoplasmic reticulum and Golgi apparatus work together is not represented among the options provided. However, to clarify, the endoplasmic reticulum is responsible for assembling proteins and lipids, while the Golgi apparatus modifies, sorts, and packages these proteins and lipids for transport.

2. The mitochondria in eukaryotic cells is most similar in function to a power plant (option b) as it's responsible for producing the energy (ATP) that the cell needs to function.

3. The mistake in the students' table of similarities and differences between prokaryotic cells and eukaryotic cells is option b. Only eukaryotic cells possess a nucleus, while prokaryotic cells do not.

Learn more about Cell Biology here:

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A well-tested explanation for a set of observations or experimental results is aa. law.
b. rule.
c. theory.
d. hypothesis.

Answers

A well-tested explanation for a set of observations or experimental results is a theory. When we're talking about theories, we're talking about a set of hypothesis about a certain topic which have been shown to work and be correct but aren't completely proven up to the point where we could say they always hold true. 

c. a theory...........

All living things break down _________ to make energy. carbon dioxide fuel light water

Answers

water (-----------------)
Water.

All living organisms use some water. Some organisms more than others though.
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