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lidiya [134]
3 years ago
14

Active transport requires energy because it usually involves the movement of

Biology
1 answer:
Afina-wow [57]3 years ago
8 0
Particles or molecules that are too big to fit through regular pores in the cell membrane, or have to big an electric charge, against the current of passive transport ( lower to higher ).
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Haploid cell with half number of chromosomes as parent cell. Result of meiosis - sperm (male) and egg (female)
IgorC [24]

Answer:

The correct answer is - true.

Explanation:

In the meiosis cell division, there are four cells present with n number of chromosomes which means these cells generated from by the meiosis have a half number of the chromosome as their parents. This is the reason this type of cell division is known as a reduction division.

These cells that are produced are sex cells or reproductive cell sperm in male and egg in female all have n number of chromosome number as they have to fuse to form a zygote.

8 0
3 years ago
Explain a situation when scientists would use Newtons as a measurement unit.<br> (science 8th grade)
leonid [27]

Answer:

A newton (N) is the international unit of measure for force. One newton is equal to 1 kilogram meter per second squared.

In plain English, 1 newton of force is the force required to accelerate an object with a mass of 1 kilogram 1 meter per second per second.

Explanation:

7 0
3 years ago
During which type of cell division does each daughter cell contain half the amount of dna as did the cell just prior to cell div
Alinara [238K]
<span>meiosis 
This does a good job of explaining it.
https://www.khanacademy.org/test-prep/mcat/cells/cellular-division/a/mitosis-and-meiosis
</span>
8 0
3 years ago
Why is it important to have complex carbohydrates such as pasta before a race
Mandarinka [93]

Answer:

Because you need energy.

Explanation:

When you eat carbs before any event that consists of running or any other activities, the carbs will fuel you up. Carbohydrates give you energy for a long period of time.

6 0
3 years ago
During fetal development, cells from the blood can enter a membranous area that will become the frontal bone. These cells eventu
vesna_86 [32]

Answer:

Osteochondral Progenitor cells

Explanation:

Osteochondral Progenitor cells are cells that can form a specific type of tissue. These cells form cells that can give rise to the bone and its components, especially fibers. These Progenitor cells originate from the mesenchymal stem cells.

The cells which form the bone are known as the osteoblasts and the cell which forms the fiber is known as the chondroblasts.

Thus, Osteochondral Progenitor cells is correct.

3 0
3 years ago
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