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Dennis_Churaev [7]
3 years ago
11

Please help me with my questions

Biology
2 answers:
Debora [2.8K]3 years ago
8 0
The heart, lungs, blood vessels, and blood
Ksivusya [100]3 years ago
6 0
The heart, lungs, blood vessels, and blood
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For athletes involved in preparation for prolonged heavy exercise, it is recommended that ________ percent of their Calories sho
Alchen [17]

Answer:

60-70%

Explanation:

Carbohydrate is the most important source of energy needed in preparation for prolonged exercise that consumes energy and requires endurance and strength to combat fatigue.  

Carbohydrate is a more efficient fuel than fat as carbohydrates are easily broken down  to supply an athlete with glucose as readily available energy, and also glycogen that is stored in the muscles, which are used as a fuel source during exercise. Hence, for prolonged heavy exercise, it is recommended that athletes need high carbohydrate consumption of 60-70 percent of their calories to maintain optimal performance.

8 0
3 years ago
Which of the following statements is true of cyclin-dependent kinases? O O O O O They regulate the cell cycle by phosphorylating
jekas [21]

Answer:

They regulate the cell cycle by phosphorylating other proteins

Explanation:

they are serine-threonine kinases, they play an important role in the phosphorylation of other proteins. Cyclin-CDK complexes phosphorylate substrates appropriate for a particular cell cycle phase and without that, the cycle cannot continue.

6 0
3 years ago
Why are trans fats not considered safe
Gekata [30.6K]
The answer to this question is that:

No Trans-fat is not considered safe because all the because its bad fot your body and your (LDL) and when you eat trans fat in increases the chances of you getting high blood pressure so make sure to avoid it and eat healthy

Hope this help, Hollieboobear
Your Welcome :)
6 0
3 years ago
Read 2 more answers
A 154-lb adult man performs a moderate level of physical activity and regularly consumes 2700 Calories a day. State whether the
Arte-miy333 [17]

Answer:

The correct answer would be - remain the same.

Explanation:

In the given table showing the average daily calories requirement according to the weight of the adult men. Which is as follows:

weight                daily intake

132                        2250

154                        2450

176                        2650

198                        2850

220                       3050

242                       3250

In this, the highlight weight and required calories should be taken by the man who does not perform any physical exercise but according to the question a man with 154 lb perform a moderate exercise, and according to the CDC a 154 lb men can burn anywhere between 140 and 295 calories in 30 minutes by moderate exercise for an hour.

Thus, the total calories he takes: 2700

burn by exercise: 295

should take: 2450

then = 2700 - (2450+295)

= 50 calories over the limit that will have negligible effect on the weight.

6 0
3 years ago
Someone please help me
Aleks [24]
I would pick H but it might be J but I am pretty sure it is H so go with that ok if you need any thing else I will help you ok
7 0
3 years ago
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