BIOLOGY HIGH SCHOOL

All organisms begin life as a ________ cell. a)embryonic
b)haploid
c)larval
d)single

Answers

Answer 1
Answer: The answer is D.Single
Answer 2
Answer: D) Single, i hope this helps >>

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What theory says that all living things are composed of cells? It also says that cells are the basic units of structure and function in living things and that new cells come from existing cells. A. Evolution
B. Boveri–Sutton chromosome
C. Genetic determinism
D. Cell

Answers

The Cell Theory is correct.

Which of the following statements about eutrophication is NOT true?(A) It is caused by acid rain.
(B) It is caused by the addition of nutrients to a water system.
(C) It is most harmful when there is little flow through in the system.
(D) Phosphorus is the main causal agent.
(E) Humans are responsible for most eutrophication.

Answers

The correct option is A. Eutrophication is not caused by acid rain. Eutrophication occurs as a result of availability of nutrients which are neccessary for plant growth. These nutrients are typically released into water bodies as a result of human activities.

What happens to water that is not removed from land by evaporation?

Answers

it gets evaporated but before, it goes underground and redoes the cycle until is does get evaporated

Which of the following is NOT a soil forming process?O Translocations
O Gains
O Losses
Transformations

Answers

The answer is gains
The answer is gain I think so

What role do pigments play in the process of photosynthesis

Answers

Answer:

Pigments absorb the light (capture as much light energy as possible) used in the process of photosynthesis.

Explanation:

Photosynthetic pigments are chemical compounds that absorb and reflect certain wavelengths of visible light, that is, they absorb light and have a color.

They are vital components for the process of photosynthesis, the most important pigment is chlorophyll. Chlorophyll is a large molecule, which captures the energy of sunlight and converts it into high-energy electrons. This occurs during the light reactions of photosynthesis, while high-energy electrons are subsequently used during dark reactions in the synthesis of glucose.

By which process does yeast produce the carbon dioxide responsible for bread rising?o cellular respiration
O glycolysis
O dehydration synthesis
O photosynthesis

Answers

Answer:

The correct answer is - cellular respiration.

Explanation:

Bread rising is due to the production of carbon dioxide by yeast in both aerobic and anaerobic cellular respiration. If there is a presence of oxygen, yeast performs aerobic respiration and produce carbon dioxide from sugar or other sources of carbohydrates.

In absence of oxygen, yeast performs anaerobic respiration or undergo fermentation to produce carbon dioxide and alcohol as waste products.

Thus, the correct answer is - cellular respiration.
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