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2 years ago

Predict what changes might occur if DNA is altered in a particular organism.

Biology

1 answer:

pishuonlain [190]2 years ago

6 0

Answer:

Explanation:

If the DNA codons are altered in an organism, the genetic code will be inaccurate. This will result in genetic mutations and disorders, depending on how drastic the change was. The two types of mutations are point mutations, that just replace one nucleotide. There's also frame shift mutations, where the amount of codons are incorrect.

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Can organisms create their own energy? explain

My name is Ann [436]

Answer:

organisms have the amazing ability to make (produce) their own energy-rich food molecules from sunlight and simple chemicals.

Explanation:

5 0

3 years ago

Few seeds can be dispersed by more than one method of seed dispersal.’ Explain with suitable examples.

MrMuchimi

Answer:

There are five main modes of seed dispersal: gravity, wind, ballistic, water, and by animals. Some plants are serotinous and only disperse their seeds in response to an environmental stimulus.

Gravity: A good example of gravity dispersal is the marigold flower. When they are ready, these seeds drop to the ground.

Wind: There are two types of wind dispersal adaptations, the floaters, and the fliers:

(wind) Floaters: The common dandelion is a good example of this type of seed dispersal.

(wind) Fliers: Maple seeds grow in pairs, but when they are mature, they separate, and a strong wind can pull them from the stem

Ballistic: Some common examples of this type of dispersal are garden peas. When the cells grow older, the result is that the pods break open and twist. This twisting actions pops the seeds lose and pushes them away from the pod.

Water: Coconuts have a husk that surrounds the seed. This husk is very buoyant and a coconut seed can float across hundreds of miles of ocean before washing ashore on a new island to germinate and grow into a tree.

Animals: there are also two types of these, hitchhikers and edibles. Seeds that stick to the outside of animals, or are spread when they go out the other end after being eaten:

Hitchhikers: Some examples are cockleburs and foxtail.

Edibles: These seeds are surrounded by good tasting fruit, like apples and peaches.

7 0

3 years ago

Red Is dominant over yellow. If a male purebred red rose(RR) Is crossed with a female hybrid rose (Rr), what percent of

Kay [80]

Answer: should be 50%

Explanation:

7 0

2 years ago

Read 2 more answers

What are the five parts of skill related fitness. Please select all 5 below. Question 1 options: Speed Muscular Strength Coordin

Goryan [66]

Answer:

There are only four parts of skill related fitness in the options; they are:

Speed

Agility

Balance

Coordination

Explanation:

Physical fitness refers to the ability to perform physical activities well without fatigue. In other words, being physically fit refers to a state of general wellbeing. Physical fitness can either be health-related or skill-related. The skill-related components are six in number viz: agility, power, balance, coordination, speed and reaction time.

However, only four of these skill-related parts of physical fitness are mentioned in the options of this question. They are:

- Speed: This refers to the ability to run a distance in a short time frame.

- Agility: This is the ability to move easily and quickly in different directions

- Balance: The ability to maintain an upright body position during training or physical activity

- Coordination: The ability to make physical senses of one's body (eye) cooperate with the limbs (hands and feets) during a physical activity.

Note that, Aerobic Endurance and Muscular strength are health-related components of fitness

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3 years ago

What happens if the immune system fails to produce proteins called antibodies

zmey [24]

If the immune system fails to produce proteins (Antibodies) it can cause a disease. This is because our immune systems are very needed so if our immune system decides to fail to produce its proteins, our body will become overwhelmed and could possibly cause us to die! :(

8 0

2 years ago