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USPshnik [31]
3 years ago
13

Known as the _____ vegetables, cabbage, cauliflower, broccoli, and brussels sprouts contain a variety of phytochemicals that def

end against certain cancers.
Biology
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

Cruciferous

Explanation:

Their consumption is linked with lower rates of cancer and is believed to be associated with their sulfur containing phytochemicals

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The percentage of germination of lettuce seeds exposed to far-red light, then blue light, and then red light compared to lettuce
Romashka-Z-Leto [24]

Answer:

<u>50%</u>

Explanation:

<em>Since</em> it was not a case of a Lettuce seed exposed first to <em>red light</em> and then to <em>far-red light</em> which will very likely not germinate because Pr (chromoprotein inactive form) absorbs red light efficiently, the light absorbed will convert a high proportion of the molecules to the Pfr (chromoprotein active form), thereby inducing germination. So there is a 50/50 percentage chance of of germination.

3 0
3 years ago
Which of the following describes what might happen with a sudden increase in precipitation in the grassland biome?
melomori [17]
I'd say the answer is C Increase in plant and animal diversity.

Because grasslands are usually too dry for certain plants and animals to live there, but with more precipitation more organisms would live there.
7 0
3 years ago
Read 2 more answers
A patient with visual agnosia will probably show an inability to
ivolga24 [154]

A patient who suffer visual agnosia will probably show an inability to identify or recognize common objects in a plain view and they cannot interpret visual information. This is due to the damage in anterior cortex like the temporal lobes and posterior occipital of the brain. Additionally, visual agnosia is diagnosed by assessing the patient’s ability to name and describe the use of visually presented objects

7 0
3 years ago
I need help with my homework that is due tomorrow and I can not find the answers in the book or online.
scoray [572]

Animal regeneration can produce whole organism or parts of organism and repair injury.

Clones today are done at genetic level by using molecular biology techniques as compared to old days when only nucleus would be removed from the egg cell and desired nucleus is inserted for cloning.

Explanation:

Regeneration is a process in which whole organism or part of which is produced from pre existing cells or group of cells and tissue. Regeneration helps in maintaining the integrity of morphology and physiology.

In lower animals like hydra and planaria whole organism is generated by existing parts. This process is termed as totipotency.

In higher animals however injury repair by mitosis is an example of regeneration.

Plant structure involved in vegetative propagation are: bulbs, rhizomes and tubers.

Vegetative propagation can be done by grafting, cutting, bulb formation, tuber, layering and tissue culture methods.

Cloning is a process in which a genetical or identical copy of an organism or the cell is made by molecular biology techniques. The use of DNA sequences, molecular scissors, stem cells and plasmid are the latest techniques of cloning.

Cloning is used for treating serious diseases as diabetes and heart injury.

In old days one cell would have its nucleus removed and placed into the egg and eventually organism produced

Advantages of tissue culture:

From a single explants, large number of plants can be made.

Obtaining plants of desired trait from tissue culture is easy in short span.

No seeds are required for the growing of new plants.

5 0
3 years ago
Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son.
Alborosie

Genotype of Mother: XX°

Genotype of Father: XY

Explanation:

  • Since the Red-green colour blindness is a recessive trait , it will not be visible in a heterozygous female because dominant allele will mask the recessive allele.
  • Father has only one X chromosome, thus if the trait was present in  that X chromosome he must have shown the trait because all the alleles in Y chromosome are recessive.
  • Since the son has inherited the trait it is obvious that he had recieved the trait from his mother who must have been the carrier.
6 0
3 years ago
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