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olga_2 [115]
2 years ago
9

I need help with these questions I will make you Brainlest please help

Biology
1 answer:
o-na [289]2 years ago
4 0

click on the attachment

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Pollen is made in the:<br><br> a) filament<br> b) ovary<br> c) ovule<br> d) anther
Rina8888 [55]

Your answer is D. Anther. The stamen is a part of the flower that is “in charge” of the production of pollen, but the anther is the part in the stamen that actually produces the pollen.

3 0
3 years ago
Read 2 more answers
Define SELECTIVE BREEDING in your own words
KIM [24]

Answer:

Selective breeding is when humans use animal breeding and plant breeding to create phenotypic characteristics by picking which animal or plant genders will reproduce together.

Explanation:

hope this helped!

4 0
3 years ago
Cereals and legumes are complementary in the diet because Group of answer choices Cereals counteract the antinutritional factors
rusak2 [61]

Answer:

A diet combining legumes and cereals will have a good balance of essential amino acids

Explanation:

Cereals are grains that are rich in vitamins, carbohydrates, protein and other essential nutrients, they include wheat, rice, sorghum etc. Legumes include a wide range of seeds, fruits, nuts, vegetables that are rich in proteins, carbohydrates and other nutrients, examples include peas, beans, lentils etc.

Cereals and legumes are referred to as staple foods, they are usually used to complement each other because combining them will result in a good balance of essential amino acids. In cereals, lysine is a limiting amino acid but is usually in high amounts in legumes. However, in legumes cysteine, trypthophan and methionine are the limiting amino acids but are found in cereals. Therefore, this makes legumes and cereals complementary in the diet as it significantly increases the protein quality of the diet.

4 0
3 years ago
When a pigment molecule in a light-harvesting complex absorbs a photon of light, what happens to its excited-state electron?.
MA_775_DIABLO [31]

When a pigment molecule in a light-harvesting complex absorbs a photon of light, While returning to its ground state, the electron transfers some of the energy from its excited state to an electron in a nearby pigment molecule.

  • It takes a photon of light energy some distance before it reaches a pigment molecule like chlorophyll.
  • An electron in the chlorophyll is "activated" by the photon. The energy imparted to the electron then moves from one pigment molecule to another until it reaches the reaction center, a pair of chlorophyll a molecules.
  • An electron in the reaction center is then excited by this energy, causing it to break loose and travel to the primary electron acceptor.
  • Therefore, it is said that the reaction center "donates" one electron to the main electron acceptor.

learn more about light-harvesting complex here:

brainly.com/question/7025086

#SPJ4

8 0
2 years ago
The four main types of macromolecules are organic. What does organic
inn [45]

Organic  means it is made only of carbon.

Explanation:

The all four types of macromolecule are organic means these all four type of macromolecule made up of carbon. These four macro molecules are carbohydrate, protein, nucleic acid and Proteins.  All are essential cell component perform a wide array of function.

Biological macromolecule is organic so they contain carbon. A part of carbon they contain nitrogen, hydrogen and additional minor element.   Enzymes and some hormone are example of protein.

4 0
3 years ago
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