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zalisa [80]
3 years ago
6

Rust on rocks is it a Mechanical or chemical

Biology
1 answer:
bonufazy [111]3 years ago
4 0
The correct answer is Chemical. Because two substances are reacting and creating a new substance.

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Given the following biochemical pathway, in which the letters represent chemical substances in the pathway and numbers represent
DaniilM [7]

Answer:

Intermediate Product Accumulation

Explanation:

If one of the crucial enzyme say B is mutated in the process of normal product formation, then the reaction will not proceed further from that point and accumulation of an intermediate product in the cell takes place. The mutation in the enzyme could be environmental or genetic but it will surely alter the enzyme functioning. In the end, the damage malfunctioning cell will be removed using the process of apoptosis.

8 0
2 years ago
What are the phases in meiosis and explain
densk [106]

Cell division happens twice during meiosis. One starting cell can produce for gametes (eggs or sperm.) In each round of division, cells go through four phases called prophase, metaphase, anaphase, and telophase.

prophase During prophase the chromosomes become visible as paired chromatids and the nuclear envelope disappears. This phase includes reduction division, which is where the number of chromosomes is decreased from 46 (diploid) to 23 (haploid.)

metaphase This is where the 23 remaining chromosomes become attached to the spindle fibers.

anaphase During this phase, the chromosomes move away from each other to one or the other pole of the spindle fiber.

telophase In which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.

interphase This is a resting period.

6 0
1 year ago
Neither end of Earth’s axis is tilted toward or away from the sun.
kotykmax [81]
Toward the sun because it faces us and that is how we get heat and live
3 0
2 years ago
What does the theory of evolution con tribute to conservation biology
Anarel [89]
<span>It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.</span>
4 0
3 years ago
Which of the following describes prophase of mitosis?
tigry1 [53]

Answer:

Daughter chromosomes move toward opposite poles of the cell.

Explanation:

Prophase is the beginning of cell division. At this stage, the CHROMATIN from which the chromosomes are formed thickens and twists spirally and CHROMOSOMES are formed which become visible under a microscope.

CENTRIOLS are organelles whose main role is to form a dividing spindle during cell division, now they separate and move towards the poles of the cell.

When they reach the poles, the threads of the dividing spindle are formed between them. Chromosomes are attached to these threads.

4 0
2 years ago
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