Which statement best describes enzymes?

_____ exhibit two radial body forms, the polyp and the medusa, and use stinging cells to capture prey.

Kryger [21]

The complete statement is this: CNIDARIA exhibit two radial body forms, the polyp and the medusa, and use stinging cells to capture prey.

Cnidaria is categorized under the Animalia kingdom. It is made up of more that eleven thousand species, which all live in aquatic habitats; either fresh or salt water environments. There are four basic classes of cnidarians, these are: Anthozoa, Cubozoa, Scyphozoan and Hydrozoa. Their common feature is the cnidocytes, which are specialized cells that they use to capture their preys.

Cnidaria have two radial body types, which are called polyp and medusa. They used cnidocytes (stinging cells) to capture the foods they feed on.

3 0

3 years ago

You are a botanist looking at the plant color in a new breed of Snapdragon. The two parent plants are Blue and Green and when yo

irakobra [83]

Answer:

Incomplete dominance is the inheritance pattern where the dominant allele did not mask the recessive allele completely and form a mix of both alleles. Here the inheritance is the incomplete inheritance. The ratio of F2 generation is 1:2:1.

Given:

R1R1 = 42

R2R2 = 39

R1R2 = 86

Total R1 alleles = 2*42+86 = 170

Total R2 alleles = 2*39+86 = 164

Total alleles = 334

Frequency of allele R1 = 170/334 = 0.51

Frequency of allele R2 = 164 / 334 = 0.49

Expected number of each phenotype:

Total population = 167

Blue = R1R1 = 0.51 * 0.51 * 167 = 43.44

Green = R2R2 = 0.49 * 0.49 * 167 = 40.10

Cyan = 2*R1*R2 = 2*0.51*0.49*167 = 83.46

Phenotype Observed(O) Expected (E) O-E (O-E)2 (O-E)2/E

Blue 42 43.44 -1.44 2.0736 0.0477

cyan 86 83.46 2.54 6.4516 0.0773

green 39 40.1 -1.1 1.2100 0.0302

Total 167 167 0.1552

Chi-square value = 0.155

Degrees of freedom = no. of phenotypes – 1

Df = 3-1 = 2

Critical value = 5.99

Chi-square value of 0.155 is less than the critical value of 5.99. So we accept the null hypothesis.

4 0

3 years ago

In rabbits, coat color is determined by one gene with at least 4 different alleles. The table shows the phenotypes for pairings

jolli1 [7]

Answer:

Full color is a dominant allele of C

Chinchilla has to have a recessive allel of c^ch

Himalayan must have a recessive of c^h

Albino has a recessive allele of c

Explanation:

5 0

3 years ago

Dude why is bio so hard please help lol

Evgesh-ka [11]

Answer:

1.Sugar bonds

2.Transport proteins

3. Digestion

4. Oxidation

explanation

Chemical energy is stored in the bonds of sugar.

The concentration gradient of a substance across the membrane represents potential energy bcz it drives diffusion.Transport proteins aids the diffusion.

Digestion converts chemical energy into kinetic energy used by cells.

When the electrons are destroyed in the glucose,Energy contained in the bonds is released in small bursts,some of it is captured in the form of ATP .'The electrons are transferred to smaller molecules known as electron carriers.The electron carriers take the electrons to a group of proteins in the inner membrane of the mitochondrion,called the electron transport chain.As electrons move through the electron transport chain they go from a higher to lower energy level and are finally passed to Oxygen to form water.The energy released is captured as a proton gradient which powers the production of ATP.

Not 100% sure whether it's the correct answer but the concept is true 100% btw I stand to be corrected

4 0

3 years ago

Which cell organelle’s function resembles the function of the brain in higher animals

shusha [124]

Answer;

The nucleus.

Explanation;

-The nucleus is the cell organelle whose function resembles the function of the brain in higher animals.

-The Nucleus is the largest organelle in a cell. It contains a dense structure called the Nucleolus and is surrounded by the Nuclear Envelope.

-It stores the cell's hereditary material, or DNA, and coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction, just like the brain which controls or the activities of a higher organism.

3 0

3 years ago

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