BIOLOGY MIDDLE SCHOOL

A penguin has 38 chromosomes. After the process of meiosis, how many chromosomes will be in each of the new cells? *38
96
19
152

Answers

Answer 1
Answer:

Answer:

19.

Explanation:

Meiosis is a type of cell division in which the sexual producing organisms uses gametes, eggs and sperm to produce four daughter cells. In meiosis the parent produce four daughter cells that are haploid. Each daughter cells carry half the number of the chromosome. Since penguin with 38 number of chromosomes undergo meiosis, each cells produce with have 19 number of chromosomes.

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What’s the difference between cell cycle and mitosis

Answers

There are four phases to the cell cycle: G1, where the cell grows; S phase, where DNA is duplicated; G2, where the cell makes final preparations for cell division; and M phase, where the cell enters mitosis. Mitosis, or cell division, is only a small part of the cell cycle.

Final answer:

The cell cycle is the entire life cycle of a cell until it divides into two daughter cells. It consists of interphase and the mitotic phase. Mitosis, on the other hand, is a component of the cell cycle, taking up less than 10% of the cycle, and comprises the actual process of cell division into two identical cells.

Explanation:

The cell cycle and mitosis are two fundamental aspects of cellular reproduction. The cell cycle is the entire life of a cell from the time of its formation until its division into two daughter cells. It can be divided into two main phases: the interphase and the mitotic phase. Interphase is the phase during which the cell prepares for replication by growing and duplicating its DNA, and the mitotic phase, during which the cell actually divides.

Mitosis, however, is just one part of the cell cycle—it is the process through which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets, forming two new nuclei. The process of mitosis is divided into five distinct stages: prophase, prometaphase, metaphase, anaphase and telophase. Week division time, mitosis takes up less than 10% of the cell cycle, while interphase takes up over 90%.

Learn more about Cell Cycle vs Mitosis here:

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In which step of the water cycle does water return to the surface of Earth? a. condensation c. evaporation b. precipitation d. runoff

Answers

B. Precipitation is rain.

Answer:

b

Explanation:

How is nitrogen from the atmosphere, the abiotic part of the ecosystem, converted into the biotic part of the ecosystem in organisms?

Answers

In the process of the nitrogen cycle.                 
The nitrogen cycle is a biogeochemical succession process of nitrogen that involves: fixation, ammonification, nitrification, and denitrification. Like any other biogeochemical cycles. This process undergoes and affects the biological, geometrical and chemical aspects in the ecosystem and the abiotic and biotic community. Hence, the nitrogen cycle leads the abiotic component –nitrogen- to contribute to the biotic community, decomposition and primal production. Further, it becomes an essential part of the environment because some life components are contains it, similarly, amino acids, nucleic acids in RNA and DNA.   

Why do scientists follow the design process?

Answers

While scientists study how nature works, engineers create new things, such as products, websites, environments, and experiences. Because engineers and scientists have different objectives, they follow different processes in their work. Scientists perform experiments using the scientific method; whereas, engineers follow the creativity-based engineering design process.(I hope this helps)

Enzymes are a type of protein found in cells. They catalyze biochemical reactions that are essential for cellular function Each typeof enzyme has a unique structure that is different from every other enzyme. How does this help enzymes perform their function?
A. It allows enzymes to change their form based on a given substrate
B. It ensures that all enzymes bind to the same substrate,
C. It allows each enzyme to catalyze multiple reactions
D. It ensures that enzymes only bind to specific substrates

Answers

It’s D it ensures that enzymes bind to specific substrates because enzymes have tertiary structures that specific substrates are complimentary to..

Answer:

i can confrim its d

Explanation:

Why do the leaves of some tree change colors in autumn​

Answers

photosynthesis because i for sure know that is what it is

Answer:

photosynthesis and pigment
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