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erastova [34]
3 years ago
14

Which genotype is homozygous ? a. XxTt b. XXTt c. xxTT d. Xxtt

Biology
1 answer:
Varvara68 [4.7K]3 years ago
7 0
C is homozygous because the genotypes are equal
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Zielflug [23.3K]
Colloid- C)
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8 0
3 years ago
Name the trophic levels in an ecosystem and explain how energy moves through the trophic levels. Use the food chain and food web
ella [17]

Answer:

there are four trophic levels first are producers then primary  consumers then secondary consumers then teritary consumers

Explanation:

grass - grasshopper - frog - snake - eagle is a simple food chain

4 0
2 years ago
Read 2 more answers
During a conversation with a friend, you tell him that you recently learned in your biology class that acetylcholine release by
Marina CMI [18]

Answer:

Explanation:

Botulinum toxin (Botox) is a neurotoxic protein produced by the bacterium Clostridium botulinum and related species

Botulinum toxin commonly acts by binding to high-affinity recognition sites on the cholinergic nerve terminals and decreasing the release of acetylcholine, causing a neuromuscular blocking effect. Through this mechanism, muscle movement is inhibited in the area it is injected to.

3 0
3 years ago
What structures are present in an animal cell, but not in a plant cell?
katrin2010 [14]

Answer:

Animal cells each have a <u>centrosome and lysosomes</u>, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

3 0
2 years ago
Non-vascular plants include all the following types of plants except _________.
Leokris [45]

Answer:

 Whisk ferns

Explanation:

Non-vascular Plants. The non-vascular plants include mosses, hornworts and liverworts, and some algae. They are generally small plants limited in size by poor transport methods for water, gases and other compounds. They reproduce via spores rather than seeds and do not produce flowers, fruit or wood.

6 0
3 years ago
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