BIOLOGY HIGH SCHOOL

The mitochondria is known as the “powerhouse of the cell." Why?*glucose is broken down into cellular energy (ATP).
lipids release energy as they form polypeptide bonds.
glucose is created through the process of photosynthesis.
proteins create energy as they are converted from sugars.

Answers

Answer 1
Answer:

Answer:

Explanation:glucose is broken down into cellular energy (ATP).

lipids release energy as they form polypeptide bonds.

glucose is created through the process of photosynthesis.

proteins create energy as they are converted from sugars.
Answer 2
Answer:

Answer: I believe the answer is glucose is created through the process of photosynthesis. I am not completely sure, I'm sorry.

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If a heterozygous plant seed color (Rr) is crossed with a homozygous recessive plant (rr), what is the probability of each seed color being produced?
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Infiltration is the process by which rainwater becomes A. ocean water. B. groundwater. C. saltwater. D. river water.
When an action potential reaches the presynaptic terminal it causes channels to open?

Why is burning coal a major source of pollution?

Answers

It releases carbon dioxide into the air

Answer: DON'T COPY/PASTE

Coal is a chemically complex fuel. Whenever it is burned, gases are given off and particles of ash, called "fly ash," are released. The sulfur in coal combines with oxygen to form sulfur dioxide, which can be a major source of air pollution if emitted in large enough quantities.

http://www.coaleducation.org/lessons/twe/envi.pdf

Which scientist proposed that cells come from other cells?a. Hooke
b. van Leeuwenhoek
c. Schwann
d. Virchow

Answers

Answer: c. Schwann

Explanation:

By the late 1830s zoologist Theodor Schwann along with botanists Matthias Schleiden proposed the cell theory. The cell theory states that all living cells comes from the pre-existing cells, the cell is the basis unit of life and all living beings are made up of cells. This theory describes the basis property of all the cells.       
Virchow. Hooke named the cell. Leeuwenhoek saw the first cell. Schwann observed animal cells. Virchow observed cell division.

Which of these can be found in both gymnosperms and angiosperms?A)vascular tissue and flowers
B)vascular tissue and seeds
C)flowers and vascular tissue
D)enclosed seeds and flowers

Answers

Regarding what can be found in both gymnosperms and angiosperms, the correct choice is B)vascular tissue and seeds. Both gymnosperms and angiosperms have vascular tissue that is specialized for transport of minerals, water, and organic compounds. Also, both gymnosperms and angiosperms have seeds. The only difference is that angiosperms have seeds hidden in the ovary while gymnosperms have seed on the surface of the scales of the cones.

Answer:

b - vascular tissue and seeds

Explanation:

Plants seemed to evolve in which order?

Answers

The correct answer is bryophytes, gymnosperms,angiosperms. Bryophytes are simple mosses while gymnosperms are plants that, unlike bryophytes, have vascular tissue. They do not however have any seeds, unlike the angiosperms which have both vascular tissue and seeds, making them the most evolved of the three.

Fred has an extremly rare autosomal recessive disease, so what is the chance that both of his grandfathers are carriers? Our teacher said this homework assignment involves Hardy-Weinburg equilibrium but we are pretty sure this is not one. Can someone please help us out and explain the answer even if it is not hardy weinburg

Answers

the answer is is 50% because if the disease is a recessive trait, his grandparents could've gotten the gene of the disease from their parents, so its 50-50 chance that his grandfathers are carriers, but it mostly depends on what genes their mom and dad gave the grandfathers, and then they probably passed the gene on their kids, and then their kids passed the gene onto fred, and he ened up with the disease. 

hopefully this helps you

Observation of Diffusion Rate in Relation to Cell SizeAs you have observed, cells are small. Consider your little toe: it is made of about 2-3 billion
cells! A newly-made cell will grow, but once it reaches a certain size it will divide to form two
new cells rather than growing bigger. Why is this? Why aren't you made of a few dozen, or a
few hundred cells, instead of trillions? Why don't single-celled organisms like amoebas and paramecia grow
as big as a human? In this lab, we will investigate this question using model cells.

Answers

Explanation:

new cells rather than growing bigger. Why is this ?

There are two main reasons why cells divide rather than continuing to grow larger and larger: ... If the cell grows too large, it will have trouble moving enough nutrients and wastes across the cell membrane. Cell Division. Cell division is the process by which cellular material is divided between two new daughter cells.

Why aren't you made of a few dozen, or a

few hundred cells, instead of trillions?

if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. When this happens, the cell must divide into smaller cells with favorable surface area/volume ratios, or cease to function. That is why cells are so small.

Why don't single-celled organisms like amoebas and paramecia grow

as big as a human?     again The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

i belive this is just the introduction to the project but here
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